...

Published

Doi:
24(1): 1-1,1992

...

Published

Doi:
24(1): 2-2,1992

...

Published

Doi:
24(1): 3-4,1992

Pneumatophore density of mangrove Avicennia marina from different locations of Karachi ranged from 56-520 m-2 with a mean value of 278m-2 +/- 135 SD, their height ranged from 2-32 cm with a mean value...

Published

Doi:
24(1): 5-10,1992

The distribution and frequency of marine algae along the eastern coast of Libya (Cyrenaica) showed the presence of 168 species, 6 varieties and 2 forms. This includes 56 Chlorophyceae, 37 Phaeophyceae...

Published

Doi:
24(1): 11-21,1992

Taxonomy, morpho-anatomy and some biological notes of 4 genera with 6 species viz., Colpomenia sinuosa (Mertens ex Roth) Derbes & Solier, Igengaria stellata (Boerg.) Boergesen; Rosenvingia fastigiata ...

Published

Doi:
24(1): 22-30,1992

Cultures of Fusarium solani extracted in toluene/ethyl acetate/90% formic acid (5/4/1, v/v) showed consistent profiles, of secondary metabolites on thin layer chromatographic plates. These profiles, a...

Published

Doi:
24(1): 31-34,1992

Growth and fruiting of five cultivars of tomato viz., Tropic, pearson, Monte Carlo, ACE-55 and Strain B were studied at different salinity levels ranging between 34-272 mM NaCl. Reduction in growth at...

Published

Doi:
24(1): 35-39,1992

The effects of 0, 25,50 75 and 100 meq.l-i sodium chloride on some physiological proceses of gram was studied in solution culture. Fresh and dry weight of cotyledons significantly changed (P < 0.05) a...

Published

Doi:
24(1): 40-48,1992

A drought resistant variety of wheat (Pak-15800) was compared with a susceptible variety (Sarsabz) under water stress and the relationship between leaf water, osmotic, turgor potentials and relative w...

Published

Doi:
24(1): 49-53,1992

Callus cultures of Zingiber officinale obtained from rhizome explants bearing shoot primordia and juve nile shoots on Murashige and Skoog basal medium supplemented with various growth hormones produce...

Published

Doi:
24(1): 54-59,1992

A micropropagation method was developed from immature embryo-derived shoot tips of Delonix regia on Murashige and Skoog's medium. Shoot multiplication occurred through proliferation of axillary leaf b...

Published

Doi:
24(1): 60-63,1992

Methods were developed for callus induction and efficient plant regeneration from mature embryos and immature inflorescences of basmati rice (Oryza sativa L cv. Basmati-370). Callusing from seeds of r...

Published

Doi:
24(1): 64-71,1992

Mesocotyl segments of Brassica juncea var. poorbiraya from in vitro grown seedlings were tested for their callogenic and thence morphogenic potential with various treatments of plant growth regulators...

Published

Doi:
24(1): 72-78,1992

Aristolochia bracteolata Lamk. is partially Protogynous. The flower exibits fly-trapping mechanism. Only one pollinator, belonging to the genus Forcipomya (Diptera; Ceratopogonidae) is involved. The p...

Published

Doi:
24(1): 79-87,1992

The hybridization between Acacia nilotica subsp. indica and A. nilotica subsp. cupressiformis is substaintiated by the study of phenolic constituents, The hybrids have additive or some new compounds, ...

Published

Doi:
24(1): 88-94,1992

The genus Gentiana L. (s.l.) is a heteromorphic assemblage. A synthetic approach is adopted to treat Gentiana L (sl.) from Pakistan and adjoining areas by utilizing the data from palynology, seed morp...

Published

Doi:
24(1): 95-106,1992

Ipomoea sindica Stapf is reinstated as a species distinct from I. eriocarpa R. Br. on the basis of chemotaxonomical and micromorphological evidences. Further, it is made clear that I. sindica Stapf is...

Published

Doi:
24(1): 107-111,1992

One hundred and twelve mungbean genotypes selected from a broad based local as well as exotic germplasm during last three years, were evaluated for agronomic characters and incidence of yellow mosaic ...

Published

Doi:
24(1): 112-118,1992

A Monte Carlo algorithm is proposed to assign a new or unclassified operational taxonomic unit (O.T.U.), with variable characters, to the group it is closest to. The method involves a bootstrap resamp...

Published

Doi:
24(1): 119-124,1992

...

Published

Doi:
24(2): 126-126,1992

...

Published

Doi:
24(2): 127-128,1992

...

Published

Doi:
24(2): 129-130,1992

The morphology and types of trichomes on the leaves, stems and floral parts of Lavandula stricta Del., (= L. coronopifolia Poir.) and L. coronopifolia Lam., were investigated. Both the species showed ...

Published

Doi:
24(2): 131-141,1992

Rhizobial infection on roots of Leucaena leucocephala started with curling and deformation of root hairs. Infection threads were seen in the young infected cells travelling both inter and intracellula...

Published

Doi:
24(2): 142-152,1992

Rhizobia isolated from root nodules of Albizia lebbeck, Arachis hypogaea, Clitoria ternatea, Leucaena leucocephala, Medicago sativa, Pithecellobium dulce, Sesbania sesban and Vigna unguiculata were te...

Published

Doi:
24(2): 153-156,1992

The primary vascular system of the shoot of Tessaria absinthioides was studied by the use of serial cross sections. It is a system of the open type, with eight sympodia, 2/5 helical phyllotaxy and tri...

Published

Doi:
24(2): 157-164,1992

The performance of anthers from in vitro produced flower buds and those derived from glasshouse-grown plants was compared. In liquid medium anthers of all types exhibited some degree of browning. In v...

Published

Doi:
24(2): 165-172,1992

The Wagner Tree algorithm was used as an aid in estimating the phylogeny. Using 15 multistate attributes, 66 species of Dampiera were analysed in a numerical phylogenetic study. During the constructio...

Published

Doi:
24(2): 173-181,1992

Latent period was measured in number of days from inoculation to flecking and sporulation in five bread wheat cultivars inoculated with 25 isolates of Puccinia recondita Rob. ex Desm. A differential i...

Published

Doi:
24(2): 183-186,1992

Isometric virus particles measuring 3540 nm in diameter with double stranded RNA genomes of molecular weight (1.48 - 6.1) x 10(6) dalton was detected in the field isolates of the wheat take all fungus...

Published

Doi:
24(2): 187-196,1992

Pre-mature fruit drop decreases mango yield. The effect of aqueous sprays of 1-naphthaleneacetic acid (NAA), gibberellic acid (GA3), silver nitrate (AgNO3) or cobalt nitrate [Co (NO3)2], alone or in c...

Published

Doi:
24(2): 197-200,1992

The present study was undertaken to screen the thermotolerant varieties of soybean and analyse the changes brought about by heat shock conditions in least resistant variety. Four varieties of soybean ...

Published

Doi:
24(2): 201-208,1992

Growth and nodulation of Sesbania sesban were compared at eight levels (0-2.0%) of NaCl salinity in sandy clay loam soil (ECe: 1.0 dS m-1). Dry weight of shoots and roots and number of nodule per plan...

Published

Doi:
24(2): 209-212,1992

A new species of Padiastrum Mayen (Chlorococcales, Chlorophyta) has been described from India. The collection was made during November 1990 from Shankha river, Bareilly district, Uttar Pradesh, India....

Published

Doi:
24(2): 213-216,1992

Trichoderma viride, T. hamatum and Rhizobium meliloti used as seed dressing and or as soil drench reduced Macrophomina phaseolina infection by more than 50% on 30 day old fenugreek seedlings. Combined...

Published

Doi:
24(2): 217-221,1992

...

Published

Doi:
24(2): 223-224,1992

...

Published

Doi:
24(2): 225-226,1992

Combining ability analysis was conducted for grain yield and yield Components viz., plant height. branches per plant, pods per plant, pod length, seeds per pod, 100 grain weight in a five parent diall...

Published

Doi:
25(1): 1-6,1993

Heterosis studies were undertaken in seven intervarietal F1 hybrids of Gossypium hirsunum L, for number of sympodia, mimber of monopodia, number of bolls, boll weight, ginning outturn percentage, s...

Published

Doi:
25(1): 7-12,1993

Both F1 and F2 hybrids of cotton manifested considerable amount of heterosis against the parents. The F2 hybrids which produce more quantity of seed as compared to F1 may be considered for hybrid cott...

Published

Doi:
25(1): 13-19,1993

Aqueous extracts and leachates of young, mature, and senesced anthers of Ceratonia siliqua were tested for their inhibition of lettuce seed gemlination. Only senesced anthers was found to contain su...

Published

Doi:
25(1): 21-28,1993

Three salt tolerant plant types viz., Atriplex amllicola, Leptochloa fusca (L) Kunth. (Pakistani origin) and Leptochloa fusca (L) Kunth (Australian origin) were used for a comparative study of al...

Published

Doi:
25(1): 29-39,1993

 Leaf samples of Phragmites australis collected from five locations varying from totally flooded to dry regime showed a sharp decrease in the fresh leaf water content of the plant from flooding to ...

Published

Doi:
25(1): 41-46,1993

Growth, seed yield and nodulation of Cicer arietinum were compared at 0, 0.1, 0.2, 0.4, 0.8, 1.2, 1.6 and 2.0% levels of NaCI salinity in sandy clay loam. Fresh weight of shoots and roots after 8, 1...

Published

Doi:
25(1): 47-50,1993

The vegetation of 20 different graveyards in District Swabi was sampled quantitatively. Three main communities: Dalbergia sissoo-Melia azedarach, Ziziphus mauritiana with 2 subtypes, and Acacia mod...

Published

Doi:
25(1): 51-66,1993

Survivorship pattern of some common summer annuals and perennials showed quite varied mortality patterns which can be tentatively grouped, according to Deevey system of classification. Annuals like I...

Published

Doi:
25(1): 67-72,1993

Species of seed bank and those occurring in vegetation were compared for six desert halophytic shrub communities. Perennial shrubs like Suaeda fruticosa, Haloxylon recurvum, Cressa cretica and Sa...

Published

Doi:
25(1): 73-82,1993

The taxonomy and morpho-anatomy of Dilophus fasciola (Roth) Howe var. repens (J. Agardh) Feldmann and Spatoglossum australasicum Kuetzing is reported for the first time from the coast of Karachi...

Published

Doi:
25(1): 83-92,1993

Using TLC patterns and growth response to tannin, the profiles of secondary metabolites in 5 species of Fusarium viz., F. anthophilum, F. proliferatum, F. subglutinans, F: scirpi and F. sporotric...

Published

Doi:
25(1): 93-97,1993

Extra early pigeonpea genotypes selected from ICRISAT materials planted at the National Agricultural Research Centre, Islamabad were found infected by a pod rot disease during September-October, 1990....

Published

Doi:
25(1): 99-102,1993

Cotton (Gossypium hirsutum L.) is one of the most important crop of Pakistan which accounts for 60% of the export product of the country. In the last few years cotton leaf curl disease has acquired e...

Published

Doi:
25(1): 103-103,1993

...

Published

Doi:
25(1): 105-107,1993

Dr. Manzur Ahmed Bajwa, an eminent scientist, breathed his last on 16th June 1993 due to heart failure auhe Combined Military Hospital, Rawalpindi. May God Almighty shower His choicest blessings upon ...

Published

Doi:
25(2): 109-110,1993

The flavonoid chemistry of 7 species belonging to 4 subgenera of the genus Medicago L, has been reported for the first time from Pakistan. The flavonoid pattern strongly support the infrageneric cla...

Published

Doi:
25(2): 111-117,1993

Diaspore morphology has long been assigned a role for dispersal byvarious mechanisms. An experiment was designed to investigate the effect of dispersal unit and the position of seed relative to substr...

Published

Doi:
25(2): 118-126,1993

Experiments were conducted with Westar rapeseed (Brassica napus L) to determine the effect of weeds at different growth stages on topping dry matter and seed yield of ratooned crop. Dry matter yield ...

Published

Doi:
25(2): 127-133,1993

Studies were carried out for comparing the magnitude of heterotic expression in F1 hybrids from two ploidy levels i.e., pentaploid x tetraploid and tetraploid x tetraploid. The pentaploid hybrids expr...

Published

Doi:
25(2): 134-144,1993

Kallar grass [Leptochloa fusca (L.) Kunth] was grown in mono-cultures and in mixed-cultures with Suaeda fruticosa (L.) Forssk., Cynlodon doctylon (L.) Pers., and Sporobolus arabicus Boiss., und...

Published

Doi:
25(2): 145-155,1993

The effect of different levels of salinities on germination and growth of alfalfa (Medicago sativa), sunflower (Helianthus annuus) and sorghum (Sorghum bicolor) plants was studied. NaCl and CaCl2 (1:...

Published

Doi:
25(2): 156-160,1993

Using EMS, MMS and SA, mutations were induced in two mungbean (Vigna radiato (L) Wilczek) varieties viz., PS-16 and Pusa Baisakhi. Three different types of chlorophyll mutants viz., albina, Chlorina...

Published

Doi:
25(2): 161-166,1993

The nodal and diurnal abscission patterns in two determinate (Lee, MG Vi and Essex MgV) and one indeterminate (Williams MG III) cultivars of soybean (Glycine max (L) Merrill) were examined. Lee, Esse...

Published

Doi:
25(2): 167-174,1993

CO2 assimilation rate in beans (Phaseolus vulgaris L) was investigated under field conditions. The rate of CO2 assimilation in leaves was significantly affected by ontogenetic stages, leaf position...

Published

Doi:
25(2): 175-178,1993

Wood chemical constituents such as holocellulose, alphacellulose and lignin contents of Casuarina cqllisclifolia were investigated from extractive - free wood of trunks and branches. In trunk wood a...

Published

Doi:
25(2): 179-182,1993

Shoot apices of peanut seedlings inoculated on MS medium containing 1 mg/I BA arid 0.01 mg/I NAA showed a prolific development of callus without differentiation after about 5 months of culture period ...

Published

Doi:
25(2): 183-188,1993

A procedure for the rapid clonal propagation of (Carica papaya L) was developed by culturing apices of mature field grown plants. The explants were successfully established on MS medium supplemented ...

Published

Doi:
25(2): 189-192,1993

Callus cultures were initiated from flower cups of cultivars of Rosa hybrida. Copious callus formation and growth was observed in cv. Diamond Jubly with 0.5 mg/l 2,4-D + 0.1 mg/1 kn and in cv. Lans F...

Published

Doi:
25(2): 193-198,1993

Taonia atomaria f. ciliata (Lamour.) Nizamuddin is raised to specific level and designated as Taonia pseudo ciliata (Lamour.) Nizamuddin & Godeh comb. nov. characterized by twisted, linear, narrow, ...

Published

Doi:
25(2): 199-207,1993

A new alga, Codium tobrukense Nizamuddin & Fathalla sr. nov., and a new form, C. tobrukense f. eImasirelise Nizamuddin & Fathalla f. nov.,. are described from Tobruk in the eastern coast of Liby...

Published

Doi:
25(2): 208-214,1993

Effect of VAM-fungus Glomus intraradices on the growth of sorghum, maize,.cotton and Pennisetum sp., was studied in soil under salt stress. The VAM-inoculated 20 day old seedlings growing in 1% (1...

Published

Doi:
25(2): 215-218,1993

Effect of seed pelleting with Stachyboays atra, Memnoniella echinata and Rhizobium meliloti on colonization of mungbean and cowpea roots by Macrophomina phaseolina, Rhizoctonio solani and Fusa...

Published

Doi:
25(2): 219-224,1993

Using agar plate, blotter and deep freezing method, 14 genera and 26 species of fungi were isolated from fourteen seed samples of Pinus gerardiana. About 70% of the samples were infected with Asperg...

Published

Doi:
25(2): 225-231,1993

Effect of tillage practices on population and viability of sclerotia of Sclerotium oryzae and yield of rice was examined. Maximum tillage showed complete loss in viability of sclerotia at 0-5 cm soi...

Published

Doi:
25(2): 232-234,1993

Mashbean (Vigna mungo L) Hepper) an important pulse crop of Pakistan is planted over 85,000 hectares giving an yield of 30- 40 thousand metric tonnes (Anon., 1990). Of the fungal, bacterial and viral...

Published

Doi:
25(2): 235-236,1993

The genus Pythium Pringsh., includes many plant pathogenic species which cause damping-off and root rot disease on important crops resulting in severe losses (PlaatsNiterink, 1981). Although reports...

Published

Doi:
25(2): 237-238,1993

Dr. Ralph Randles Stewart died on 6th November, 1993 at the age of 103 years at Duarte, Calif., USA. May God Almighty shower His blessings upon the departed soul and may his soul rest in peace in heav...

Published

Doi:
26(1): 1-2,1994

Dr. Syed Fakhrul Hassan died of cardiac arrest due to respiratory failure on 1st March 1994. May God Almighty shower his choicest blessings upon the departed soul and may his soul rest in peace in hea...

Published

Doi:
26(1): 3-4,1994

Dr. Ghulam Rasool Solangi S/O Mr. Alam Khan Solangi was born on 6th December, 1938 at Larkana, Sindh. After obtaining early education from his home town, he studied at the Sindh Agriculture College, n...

Published

Doi:
26(1): 5-6,1994

A survey of 115 leguminous plants comprising of 79 species of Papilionaceae, 16 of Mimosaceae and 20 of Caesalpiniaceae was made for their nodulation status. Nodules were found in all the species of P...

Published

Doi:
26(1): 7-20,1994

Pollen morphology of 25 monocotyledonous species belonging to 14 genera distributed in 8 families from Karachi have been investigated by light and scanning electron microscope. Pollen occur either sin...

Published

Doi:
26(1): 21-34,1994

The correlation between pollen characters and pollination types in 218 genera and 351 species belonging to 67 angiosperm families from Karachi was studied. Entomophily is the dominant (65.24%) pollina...

Published

Doi:
26(1): 35-56,1994

Numerical phenetic analysis of Pogostemon Desf. (Lamiaceae) species was carried out using a Reading Taxonomy Computer Programme. Thirteen species found in Bangladesh were analyzed for 34 characters....

Published

Doi:
26(1): 57-62,1994

Rhoeo spachacea exhibits uncommon and unique chromosomal configurations at diakinesis and metaphase I in the form of rings or chains. Chain configurations range from a chain of two to twelve chromoso...

Published

Doi:
26(1): 63-67,1994

Actively growing root tips of onion (Allium cepa L) were used to evaluate cytotoxic effects of herbicide, Ronstar. The dividing cells exposed to 1000, 2000, 3000 and 4000 ppm of Ronstar for 3, 6, 9 a...

Published

Doi:
26(1): 69-74,1994

 Knowledge of heritability and correlation among traits is important in determining the effectiveness of direct and indirect selection. The objective of this study was to determine the potential effe...

Published

Doi:
26(1): 75-82,1994

Breeding studies reconfinned the hybridization between Sida avata Forssk., and Sida tiagii Bhandari. All the three taxa i.e., S. avata Forssk., S. tiagii Bhandari and the hybrid are facultativ...

Published

Doi:
26(1): 83-97,1994

Soaked seeds of an exotic variety 5toneville-231 (Gossypium hirsutum L) were treated with gamma rays at 30 kR from 60CO source having dose rate of 40 kR per hour and planted in the field as M1 gene...

Published

Doi:
26(1): 99-104,1994

Experiment was conducted on four cotton (Gossypium hirsutum L) cultivars viz., B.557, Niab-78, Sar. mast, Qalandari to evaluate their growth in terms of plant height, stem diameter, biomass productio...

Published

Doi:
26(1): 105-114,1994

Sporobolus arabicus and Sesbania aegyptica grown in sandy soil as mono- and mix-culture using saline water (ECiw: 6 & 12 dS.m-1) for irrigation showed that the productivity of grass - legume mix-cu...

Published

Doi:
26(1): 115-125,1994

The effect of 0.25-1.0% NaCI salinity and water stress on growth and biomass production in Helianthus annuus L, was examined. All growth parameters showed reduction under both salt and salt water st...

Published

Doi:
26(1): 127-138,1994

The effect of aqueous extracts obtained from various plant parts of Albizia samons and the under canopy soil was studied on germination and early seedling growth of different cultivars of Zea mays,...

Published

Doi:
26(1): 139-147,1994

The study deals with the multivariate analysis of the vegetation of Swabi District. Sociological relationships among the leading dominants in tree, shrub and herb layers are discussed separately. Chcm...

Published

Doi:
26(1): 149-160,1994

Studies on the effect of storage temperature of 0,7 and 25°C before planting were conducted on four garlic cultivars with respect to their leaf initiation, clove differentiation, development and yiel...

Published

Doi:
26(1): 161-165,1994

The effects of different planting dates were studied to determine the influence of topping at different growth stages on yield components, seed weight, seed yield and other agronomic characters. The t...

Published

Doi:
26(1): 167-171,1994

Wheat cultivars Punjab 76 (Lr1), Chenab 70 (Lr13), Khyber 79 (Lr13), ZA-77 (Lr1 + 13), Faisalabad 83 (Lr+13), Lyallpur 73 (Lr1+13), Pari-73 (Lr1+13), Sandal (Lr1+13), Sindh 81 (Lr1 + 13). Yecora (Lr1 ...

Published

Doi:
26(1): 173-176,1994

Using component plating technique Macrophomina phaseolina was isolated from seed coat. tegmen!. cotyledons and embryo of pumpkin seeds. Infected seeds give rise to infected seedlings that transmit t...

Published

Doi:
26(1): 177-180,1994

In a green house experiment soil artificially infested with a pathogenic strain of Fusarium oxysporum f.sp lycopersici suppressed the infection of Macrophomina phaseolin a, F. solani and Rhizoc...

Published

Doi:
26(1): 181-186,1994

The reaction of sugarcane hybrids Co.440, Co.1oo1, Co.997, OB5155, CP.36/111, CP.291116, Mex 52/29, B61208, BR.6223, BO.20/58 to Curvularia leaf-spot disease was studied in the Screenhouse. Mex 52/29 ...

Published

Doi:
26(1): 187-189,1994

Petiole segments and excised epidermal thin cell layers of Carica papaya N. Malir were cultured on full strength MS medium containing a range of concentrations of nephthalene acetic acid (NAA) and i...

Published

Doi:
26(1): 191-195,1994

Regeneration of plants by means of somatic embryogenesis is of utmost importance for improvement through somatic cell genetics. This is preferred over normal regeneration via organogenesis due to vari...

Published

Doi:
26(1): 197-199,1994

 Dr. Sultan Ahmad, an eminent mycologist, died of heart attack on 11 th November 1983 in Lahore after a long illness. He was a chronic patient of diabetes melitus. In the later part of his life he de...

Published

Doi:
26(2): 201-202,1994

The composition and distribution of fresh-water algae in Makkah area of Saudi Arabia were investigated. Of a total number of 107 species recorded, 37 belong to Cyanophyta, 34 to Bacillariophyta, 29 to...

Published

Doi:
26(2): 203-213,1994

Poropsis Kütz., is retained as a genus of its own because of smooth axes, absence of articulations and lobules....

Published

Doi:
26(2): 215-219,1994

Using ISTA techniques, 9 genera and 22 species of fungi viz., Alternaria alternata, A. tenuissima, Aspergillus candidus, A. clavatus, A. jlavus, A. fumigatus, A. niger, A. sulphureus, A. terreus, A. ...

Published

Doi:
26(2): 221-228,1994

Verticillium chlamydosporium isolated from eggs of Meloidogyne incognita, root knot nematode, inhibited the growth of Macrophomina phaseolina, Rhizoctonia solani Fusarium solani and F.oxysporum i...

Published

Doi:
26(2): 229-233,1994

Pscudomonas species isolated from soils cultivated with citrus plants (204) and plant galls (46) in the Jordan Valley were physiologically and biochemically classified into fluorescent group (74) and...

Published

Doi:
26(2): 235-240,1994

 A study was made on the seasonal fluctuations in N2-fixing (C2H2 reduction) activity and uptake hydrogenase activity of the root nodules of Coriaria nepalensis and Datisca cannabina. Nitrogenase...

Published

Doi:
26(2): 241-246,1994

An actinomycete (Dc2) was isolated from the nitrogen fixing root nodules of Dalisca cannabina. The actinomycete Conned hyphae and sporangia, like typical Frankia strains but failed to infect host pla...

Published

Doi:
26(2): 247-251,1994

The effect of salinity on the growth of Rhizobium spp., isolated from Prosopis glandulosa and P. juliflora was studied in vitro. Growth of Rhizobium isolated from both Prosopis species increa...

Published

Doi:
26(2): 253-258,1994

Salt tolerance of Pallicum antidotale Retz., was studied using gravel culture with root medium electricaI conductivity (EC) levels ranging from 3 to 20 dS/m. Salinity decreased the seed germination ...

Published

Doi:
26(2): 259-263,1994

Experiments were carried out to screen local and exotic species/accession/provenances of Prosopis species at germination and seedling stages under salinity conditions. Field trials were also underta...

Published

Doi:
26(2): 265-282,1994

To produce salt-tolerant wheat germplasm through wide hybridization, 8 different salt-tolerant accessions of Ae. cylindrica were crossed with 3 hexaploid wheat cultivars: Pak-81, LU-26, and Shalimar...

Published

Doi:
26(2): 283-292,1994

The interactive effects of different salt concentrations (EC: 0, 10 and 20 dS.m-1) and waterlogging levels of 75, 100 and 125% water holding capacity on growth of Atriplex amnicola Paul G. Wilson in...

Published

Doi:
26(2): 293-309,1994

Four varieties of wheat viz., C591, C273, Pak-81 and Pirsabak-85 partitioned different proportions of assimilates to the different organs having different functions. Varieties C591 and C273 grew talle...

Published

Doi:
26(2): 311-320,1994

Relationship between physical properties affecting postharvest water loss in pepper fruits wereexamined. Three pepper types viz., 'Keystone' (Bell Pepper), 'NuMex R Naky' (long green) and 'Santa AI Gr...

Published

Doi:
26(2): 321-326,1994

Field experiments were conducted at the Australian Demon stration Farm at EI-Marj Libya during the winter season 1988-89 and 1989-90 to determine the efficacy of herbicides on grassy and broad leaf we...

Published

Doi:
26(2): 327-330,1994

Effect of contemporary rotation simulation on grain weight, protein and lysine content of four commercial cuhivars (Pavon, Sarsabz, Mehran 89 and T.J. 83). and 21 new promising strains of bread wheat ...

Published

Doi:
26(2): 331-339,1994

Response of cotton pollen to 05, 1.0, 2 and 5 kR of gammarays prior to cross pollination was determined in various cross-combinations. A low dose of 0.5 kR applied to pollen enhanced boll set and seed...

Published

Doi:
26(2): 341-346,1994

Karyotypic analysis of Lens culinaris Medic., s.sp. Macrosperma Laird x Precoz was carried out to dcrermine the chromosomal positions. The diploid chromosome number was 14. The Karyotype character...

Published

Doi:
26(2): 347-352,1994

Within the Triticeae, cereal crop improvement alternatively exploits use of alien genetic variation emanating from several annual and perennial species. Somatic and meiotic cytological procedures are ...

Published

Doi:
26(2): 353-366,1994

This research evaluated the stability performance of sunflower cultivars in two groups of regional trials in the Northeast part of Greece. Genotype-environment interaction was measured by Ihe linear r...

Published

Doi:
26(2): 367-371,1994

Polymerase chain reaction was used to detect polymorphism in 10 different salt-tolerant wheat introgression lines produced through wide hybridization, 2 cultivated hexaploid wheat varieties, a tetrapl...

Published

Doi:
26(2): 373-382,1994

Suspension cultures of Nicotiana tabacum cv. Virginica established from epidermal tissue-derived callus on medium supplemented with 5x10-6M NAA alone or with 5xl0-7 M kinetin when subcultured on au...

Published

Doi:
26(2): 383-392,1994

A protocol for excising and culturing cotyledon explants from seeds of different ages of Aegle marmelos was developed. Cotyledon explants formed callus and shoot buds on agarsolidified Murashige & S...

Published

Doi:
26(2): 393-396,1994

Trichomes from the leaves of 11 species of Pelargonium L' Herit., were examined with the S.E.M. Trichomes observed were of either non-glandular unicellular and uniseriate-type or were glandular, uni...

Published

Doi:
26(2): 397-407,1994

Using Scanning Electron Microscope a micromorphological study of leaf and seed coat surfaces of all the 7 species in the genus Medicago L, from Pakistan was carried out. The seed coat sculpturing re...

Published

Doi:
26(2): 409-419,1994

Pollen morphology of 42 species belonging to 12 genera of the family Malvaceae from Pakistan were examined by light and scanning electron microscope. Pollen morphology of the family is fairly uniform....

Published

Doi:
26(2): 421-440,1994

The effect of Meloidogyne graminicola on root morphology and growth of rice and the Echinochloa colonum grass was investigated under glasshouse conditions. Invasion by nematode juveniles reduced t...

Published

Doi:
26(2): 441-449,1994

The first three components (explaining 71.75% of the total variance) derived from principal component analysis were used to define the ecological niches of the plant populations in a desert landscape....

Published

Doi:
26(2): 451-465,1994

Dielectric properties of fresh leaves of Ficus benghalensis, F. elastica, F. religiosa and Morus nigra (Moraceae) and Hibiscus rosa-sinensis and Gossypium hirsutum (Malvaceae) were measured wi...

Published

Doi:
26(2): 467-475,1994

Astragalus (Bentham, 1865). This was maintained by Baker (1876) and more recently by Ali (1977). Rechinger f. (1957) described a new genus Kerstania Rech. f. based on K. nuristanica Rech. f. whic...

Published

Doi:
26(2): 477-477,1994

Professor Majeed Ahmad was born on May 16, 1916 at Unnao in Lucknow, India. He received his school and college education in Lucknow and obtained M.Sc. degree from Lucknow University (India) in 1938 an...

Published

Doi:
27(1): 1-2,1995

A critical study of the genus Bryopsis Lamour., from the coast of Pakistan showed the occurrence of 16 species comprising 4 new ones viz., B. aishae Nizam. sp.nov., B. pakislanica Nizam. sp.nov., B. m...

Published

Doi:
27(1): 3-39,1995

Five taxa including 3 species of Chlorophyta viz., Enteromorpha intestinalis (L.) Nees, E. nizamuddinii Aisha et Shameel sp. nov., E. saifullahii Aisha et Shameel sp. novo and 2 forms of Charophyta vi...

Published

Doi:
27(1): 41-48,1995

A new species, Cystoseira masoudii Nizam., characterized by caespitose habit possessing smooth/spinose tophulose is described....

Published

Doi:
27(1): 49-54,1995

Effect of diurnally administered temperature regimes on the infection process of 3 Vigna spp., and 1Medicago sp., inoculated with GUS-marked (brady) rhizobial strains was examined. Conditions optimize...

Published

Doi:
27(1): 55-62,1995

The performance of three green manure plant species viz., Sesbania aculeala, S. rostrata and Cyamopsis lelragonoloba was studied at different growth stages under field conditions. An the green manures...

Published

Doi:
27(1): 63-66,1995

SEM study of the fruits of Dampiera exhibit a complex morphological and micromorphological diversity providing valuable taxonomic information. The shape and surface pattern can be of high systematic s...

Published

Doi:
27(1): 67-72,1995

An investigation of leaf, calyx and nutlet microcharacters of 13 species of the genus Pogostemon found in Bangladesh was conducted using the SEM and their reliability as taxonomic markers is discussed...

Published

Doi:
27(1): 73-82,1995

Pollen morphology of the family Sphenocleaceae has been studied from Pakistan by light and scanning electron microscope. Pollen grains are generally colporate, small, trilobed, oblate - spheroidal wit...

Published

Doi:
27(1): 83-86,1995

Pollen morphology of 3 species of the genus Bergia L., from Pakistan belonging to the family Elatinaceae has been examined by light and scanning electron microscope. Pollen grains are generally radial...

Published

Doi:
27(1): 87-92,1995

Trrichodesma indicum (L.) R. Br. (Boraginaceae) flowers throughout the year. Flower was protandrous and remained in bloom for ± 3 days. Buzz-pollination was carried out stemotribically by two species...

Published

Doi:
27(1): 93-99,1995

The effect of explant source on in vitro regeneration of plants through tissue proliferation in Phoenix dactyliftra L. cv Fusli is reported....

Published

Doi:
27(1): 101-104,1995

Suspension cultures established from hypocotyl derived calli pretreated with AS (adenine sulfate) and (NH4)2SO4, (ammonium sulfate) stimulated somatic embryogenesis in addition to root morphogenesis. ...

Published

Doi:
27(1): 105-109,1995

To develop early maturing and large seeded cultivars of peanut (Arachis hypogaea L) virginia type alltivars (No. 334, Banki and NC-9) were crossed with four early spanish type lines (ICGSE-4, ICGSE-13...

Published

Doi:
27(1): 111-119,1995

A study was carried out to determine general and specific combining abilities of seed cotton yield, of bolls, sympodial branches, ginning outturn percent, seed and lint indices from 5x5 diallel intraI...

Published

Doi:
27(1): 121-126,1995

 Random Amplified Polymorphic DNA (RAPD) markers were generated in Perkin Elmer DNA Thermal Cycler using genomic DNAs extracted from different rice varieties/species and 6 synthetic 10 mer primers of...

Published

Doi:
27(1): 127-138,1995

Effects of abscisic acid (ABA) and gibberellic acid (GA) on accumulation of Beta N-oxalylamino-Lalanine (BoAA) in leaves of Lathyrus sativus L., cvs. K 424 and K 280 under drought stress was examined....

Published

Doi:
27(1): 139-141,1995

Two cultivars of mustard, Sambal and Daulat were grown in soil in polythene bags under well-watered and water-stressed conditions. Soil moisture had significant effect on total dry matter production a...

Published

Doi:
27(1): 143-150,1995

Variations in plant growth due to changes in edaphic and climatic conditions in two halophytic species viz., Suaeda fruticosa (L.) and Tamarix indica Willd., from the saline community at Karachi Unive...

Published

Doi:
27(1): 151-163,1995

Leaves of cotton cultivar 5-12 were acclimated at temperatures ranging from 35 to 44°C for different lime periods followed by heat stress at 45 or 46°C. The heat acclimation potential was analyzed b...

Published

Doi:
27(1): 165-168,1995

Field experiments on seeding dates were conducted during 1990-91 and 1991-92 to determine the optimum time for sowing of wheat crop under rainfed condition. Early as well as late sowing of wheat reduc...

Published

Doi:
27(1): 169-173,1995

Effect of Topsin fungicide (Methyl thiophenate) on chlorophyll, protein and phenol contents of Hibiscus esculentus and Capsicum annuum was examined. Topsin showed an increase in all the biochemical pa...

Published

Doi:
27(1): 175-178,1995

The effect of foliar applied systemic fungicide propiconazole (1-[[2-2,4 dichlorophenyl) on the agronomic, seed quality, and economic response of hard spring wheat (Triticum aestivum L.) was investiga...

Published

Doi:
27(1): 179-186,1995

Protein content in 8 different varieties of wheat after infection with Puccinia recondira, the brown rust fungus was examined. Protein content showed an increase in resistant and moderately resistant ...

Published

Doi:
27(1): 187-191,1995

One hundred and two isolates of Ascochyra rabiei differing in their cultural characters were selected for pathotype analysis from a large collection of isolates obtained from chickpea growing areas of...

Published

Doi:
27(1): 193-199,1995

Using ISTA techniques, the seedborne mycoflora of 24 samples of tomato seeds collected from different parts of Pakistan was examined. Of the 37 species of fungi belonging to 20 genera isolated, 22 spe...

Published

Doi:
27(1): 201-208,1995

Species of Bipolaris, Botryodiplodia, Cephaliophora, Cephalosporium, Colletotrichum, Corynascus, Curvularia, Exerohilum, Fusarium, Macrophomiful, Melanospora, Nigrospora, Rhizoclonia, Sclerotium, Slem...

Published

Doi:
27(1): 209-216,1995

Effect of neem oil and benomyl on the growth of root infecting fungi viz., Macrophomina phaseolina, Rhizoclonia solani and Fusarium moniliforme was examined. Benomyl showed greater suppression in grow...

Published

Doi:
27(1): 217-220,1995

Colonization of Macrophomina phaseolina on roots of chickpea was higher when plants were subjected to moisture stress as compared to unstressed plants. Colonization on primary roots was greater at ear...

Published

Doi:
27(1): 221-225,1995

Seed dressing of soybean with Bradyrhizobium japonicum alone or mixed with different concentration of fungicides viz., benlate, dithane, bavistin and vitavax showed significant (p < 0.001) protection ...

Published

Doi:
27(1): 227-232,1995

Mean incidence of potato leaf roll virus (PLRV) in the plains of Pakistan was recorded as 44% in general, 53 % in the market or uncertified seed and 11% in certified or improved seed. The virus was su...

Published

Doi:
27(1): 233-241,1995

Two isolates of blackeye cowpea mosaic (BICMV) and two of cowpea aphid-borne mosaic (CABMV) potyviruses were purified by three purification procedures. Variable virus yields of each isolate of each vi...

Published

Doi:
27(1): 243-249,1995

Bennuda grass (Cynodon dactylon (L.) Pers.) is widely distributed in Pakistan. The lawn grass at the Plant Genetic Resources Institute (PGRI) at National Agricultural Research Centre (NARC), Islamabad...

Published

Doi:
27(1): 251-252,1995

Ingold (1966) reported that aquatic hyphomycetes were unable to colonize conifer needles. Since then, no report has been published on colonization of pine needles by aquatic hyphomycetes. An experimen...

Published

Doi:
27(1): 253-254,1995

During our investigations on the freshwater algae of the Puujab, we came across an interesting collection of Closterium spp., usually growing as planctonic in the rice fields. A gigantic form of Clost...

Published

Doi:
27(1): 255-256,1995

The new genus Glossophorella Nizam. et Campbell is described which comprises two species viz., G. coriacea (Holmes) Nizam. Comb. nov. from Japan and the Pacific coast of U.S.A. and G. dhofarensis Niza...

Published

Doi:
27(2): 257-262,1995

Cystoseira wildpretii Nizam., sp. nov. is described from the coast of Canary Islands. It is characterized by procumbent, caespitose thallus bearing compressed axes and receptacles....

Published

Doi:
27(2): 263-266,1995

Occurrence of the genus Sirogonium Kütz., is a new record from Pakistan and a new species, S. khoriensis Masud-.et Nizam. sp. nov. has been described. This species is characterized by having a co...

Published

Doi:
27(2): 267-27,1995

The effect of silver nitrate and gibberellic acid on 14C-IAA transport parameters was investigated in coleoptile segments of Zea mays L. Silver nitrate and GA3 enhanced the transport intensity and den...

Published

Doi:
27(2): 271-274,1995

Azolla, plant growth promoting rhizobacteria (PGPR) and chemical fertilizer alone and in different combinations were used to study the effect of nitrogen biofertilizers on rice biomass, nitrogen uptak...

Published

Doi:
27(2): 275-281,1995

The effects of salinity (BC: 0, 10 and 20 dS.m-l) and waterlogging levels of 75, 100 and 125 % of soil water holding capacity on some physiological processes and ionic regulation were studied in Atrip...

Published

Doi:
27(2): 283-295,1995

Comparative effects of different salt levels (EC: 4-24 dS.m-1) on the morphology and anatomy of four cotton cultivars viz., B-557, Niab- 78, Sarmast and Qalandri was studied. A decrease in stomatal de...

Published

Doi:
27(2): 297-303,1995

Seed fatty acid composition in the wild form and cultivars of Laurocerasus officinalis are reported. C18:l and C18:2 chain length pattern were the dominant fatty acids in seeds of all species. C18:l v...

Published

Doi:
27(2): 305-308,1995

Rate of emergence of seedlings from the uppermost 2 cm layer of soil from different habitats of the desert of North, South-West and South-East of Riyadh City in the Central Region of Saudi Arabia was ...

Published

Doi:
27(2): 309-319,1995

The soil seed reserves of different summer weeds were studied in the fields of different rainfall zones of Punjab, Pakistan. Composite soil samples collected from fields comprising of very low (150-30...

Published

Doi:
27(2): 321-326,1995

Pollen morphology of 49 species representing 20 genera of family Boraginaceae from Pakistan has been cxamined by light and scanning electron microscope. Boraginaceae is a eurypalynous family and polle...

Published

Doi:
27(2): 327-360,1995

cp DNA variations were examined in 5 genera of the tribe Polygonatae, for 60 probe-enzyme combinations, to study Disporum-Prosartes generic separation problem. The shared fragments were counted, index...

Published

Doi:
27(2): 361-369,1995

A microcomputer program package which prints herbarium labels, retrieves and edits information has been developed. Individual labels consist of a maximum of 12 lines, each with 40 character spaces. Re...

Published

Doi:
27(2): 371-383,1995

GA3 and 2,4-D @ 10-5 and 10-3M used as foliar spray on date palm (Phoenix dactylifera L) cv. Khedri 3 seedlings affected the length of root and the anatomical characteristics of thick root. GA3 at low...

Published

Doi:
27(2): 385-397,1995

Of the 10 exotic rose cultivars evaluated for their performance and adaptability in the D.l. Khan, Magic Carrousel, Paradise, Pink Delight, Yankee Doodle, and Love were found most promising as compare...

Published

Doi:
27(2): 399-403,1995

Mature embryos, excised from the soaked peanut seeds, when cultured on MS medium supplemented with BA and 2,4-0 each @ 0.5 mg/I induced, callus. Regeneration occurred when this callus was subcultured ...

Published

Doi:
27(2): 405-409,1995

Rapid propagation of carnation (Dianlhus caryophyllus L) was achieved in vitro. Multiple shoots were induced from nodal explants on MS medium supplemented with 1.0, 2.0 or 3.0 mg/l of BAP. For furth...

Published

Doi:
27(2): 411-415,1995

An intervarietal chromosome banding polymorphism in 8 botanical varieties of Hordeum vulgare viz., convar. hexastichon vars: coelesle and ingrum; convar. distichon vars: inerme, pallidum and...

Published

Doi:
27(2): 417-423,1995

Combining ability analysis was conducted for yield and its primary components in Gossypium hirsutum L. The results indicated that variance due to GCA and SCA were significant for all the characters ...

Published

Doi:
27(2): 425-429,1995

Combining ability analysis was conducted for yield and yield components in line x tester involving 5 lines and 3 testers. Combining ability variances for GCA of lines and SCA variances were highly sig...

Published

Doi:
27(2): 431-434,1995

Combining ability and genetic analysis was conducted in a four parent complete diallel for seed weight in lentil. Additive type of gene action predominantly governed by recessive genes was observed fo...

Published

Doi:
27(2): 435-439,1995

On the bases of morphology, cultural and biochemical characteristics, 50 indigenous clinical pseudomonads were identified as Pseudomonas aeruginosa. Resistance patterns of antibiotics upto 500 µg mL-...

Published

Doi:
27(2): 441-446,1995

Relative aggressiveness of eight strains of Xanthomonas campestris pv. citri was tested on detached citrus leaves at 22°C and of another seven at 24°C. An the strains showed variability in their rel...

Published

Doi:
27(2): 447-450,1995

Use of growth promoting becterium Pseudomonas aeruginosa, strain Pa6 and Pa12 significantly (p ...

Published

Doi:
27(2): 451-455,1995

In March 1983, a spineless variety "Thori-78" of Safflower (Carthamus tinctorius L) growing at the experimental plot of National Agricultural Research Centre, Islamabad showed symptoms of wilting. Bas...

Published

Doi:
27(2): 457-458,1995

Complete bunt of wheat is an important and destructive disease of wheat in the upland areas of Pakistan where an incidence as high as 25 % has been recorded (Hafiz., 1996; Hassan, 1971) with los...

Published

Doi:
27(2): 459-460,1995

Generic limits in Gentiana L. (s.l.) from Pakistan and Kashmir was evaluated chemotaxonomically. Forty four taxa belonging to 8 genera were delimited into three broad groups on the basis of their flav...

Published

Doi:
28(1): 1-8,1996

Numerical technique has been used to construct the cladogram to depict the natural relationships among the species of the genus Sibbaldia. The cladistic analysis of the genus is presented with a discu...

Published

Doi:
28(1): 9-19,1996

Pollen morphology of 2 species of the genus Myriophyllum L.. from Pakistan belonging to the family Haloragaceae has been examined by light and scanning electron microscope. Pollen grains are generally...

Published

Doi:
28(1): 21-24,1996

Andromonoecy is being reported for the first time in Glossonema varians (Stocks) Hook. f. and in the family Asclepiadaceae. Each inflorescence has 2 perfect and 2-6 male flowers. Both type of flowers ...

Published

Doi:
28(1): 25-29,1996

The anatomy of the seedling of Tessaria absinthioides was studied by the use of serial cross sections. Continuous with the diarch vascular system of the root there are bundles of two types in the hypo...

Published

Doi:
28(1): 31-36,1996

Meristan tip culture of potato (Solanum tuberosum L) were established on MS medium containing BA and NAA and multiplied on hormone free MS medium. Potato culture survival and growth was significantly ...

Published

Doi:
28(1): 37-40,1996

Mutant lines of Arabidopsis thaliana resistant to either spermine (a polyamine), naphthalene acetic acid (an auxin), or benzyl adenine (a cytokinin) were isolated by screening for growth of seedlings ...

Published

Doi:
28(1): -49,1996

Random amplified polymorphic DNA markers were generated in a diploid and two tetraploid salt-tolerani accessions of wild rice species Oryza punctata, O. sativa cuitivars Basmati - 198, IR-6 and F1 hyb...

Published

Doi:
28(1): 51-59,1996

Genotype X environment interactions and relative stability for grain yield were studied in four durum wheat, one bread wheat and one triticale genotype grown at 5 locations. The yield ranking of the v...

Published

Doi:
28(1): 61-65,1996

A study was undertaken to estimate correlation coefficient between seed size, starch content and its composition together with the estimation of genetic variability in a range of chickpea genotypes. A...

Published

Doi:
28(1): 67-73,1996

A pot experiment was conducted to study the effect of N-Serve (nitrification inhibitor) and Baythroid (an insecticide with strong inhibitory effect on nitrification in soil) on dry matter yield and N ...

Published

Doi:
28(1): 75-84,1996

Effect of nitrogen in the form of urea @ 0, 10, 20, 30, 40, and 50kg N ha-1 by broadcast application, on the growth of Sesbania bispinosa (Dhancha) was studied. An increase in plant height at 15, 30, ...

Published

Doi:
28(1): 85-89,1996

A controlled conditions study on sunflower grown in root medium with a pH range of 4.5 to 8.5 revealed a consistent growth improvement with the rise in root medium pH. Similarly, the sulphate concentr...

Published

Doi:
28(1): 91-95,1996

Lettuce (Lactuca sativa var. Great Lakes) grown in soil irrigated with water of different salinities maintained with 0-72mM NaCI showed greater leaf area, shoot / root ratio and dry weight when kept a...

Published

Doi:
28(1): 97-102,1996

Ten different wheat varieties viz., Rohtas-90, Pirsabak-90, Mehran-89, Chakwal-86, Inqalab-91, Sutlaj86, Sariab-92, LU-26, Rawal-87 and Yecora- 70 were compared for 'water imbibition for 0, 2, 4,...

Published

Doi:
28(1): 103-108,1996

Soil amendment with Prosopis juliflora, P.glandulosa, P. cinererea and neem cake significantly (p...

Published

Doi:
28(1): 109-113,1996

More than 300 taxa of the rust fungi (Uredinales) have been reported from Pakistan. (Ahmad, 1956 a,b, 1969, 1976; Jorstad & Iqbal, 1967; Gjaerum & Iqbal, 1969; Mirza & Qureshi, 1978; Khalid et al., 19...

Published

Doi:
28(1): 115-117,1996

Loose smut of wheat caused by Ustilago tritici (Pers.) Rostr., is one of the major diseases of wheat in wheat growing countries of the world. Upto 7 % losses in wheat variety Kalyansona have been reco...

Published

Doi:
28(1): 119-120,1996

Plants have the capacity to adjust under variable environmental conditions. Water is generally considered as one of the limiting factors which affects the physiological and biochemical processes affec...

Published

Doi:
28(1): 121-123,1996

Prof. Hafiz was born on April 14, 1937 at Lahore. When he was only 9 years old he joined "Madrassa Zia-ul-Uloom, Faiz Bagh", at Lahore where he learned the Holy Quran by heart at the age of 11 years. ...

Published

Doi:
28(2): 125-126,1996

Stypopodium shameelii Nizam. et Aisha sp. nov., has been described from the coast of Pakistan. It is characterized by regular tiers of central cells both in cross as well as in longitudinal sections, ...

Published

Doi:
28(2): 127-141,1996

The mangrove stand of Kalmat Khor, situated in the middle of the Balochistan coastline, is poor most probably due to intensive cutting and lopping for fuel and fodder and absence of any significant so...

Published

Doi:
28(2): 143-149,1996

Pollen morphology of the family Salvadoraceae has been examined from Pakistan by light and scanning electron microscope. Pollen grains are generally radially symmetrical, isopolar, 3-zonocolporate rar...

Published

Doi:
28(2): 151-154,1996

Seed oil content and fatty acid composition of seed lipids in 4 species of Consolida viz., C. oriemalis, C. armeniaca, C. glandulosa and C. hoheneckeri of the family Ranunculaceae are reported. The oi...

Published

Doi:
28(2): 155-159,1996

Effect of sugar concentration on in-vitro pollinium germination in 8 members of Asclepiadaceae viz., Calotropis procera ssp. hamiltonii, Corallima edlllis, Carollima tuIberculata, Ceropegia bulbosa, G...

Published

Doi:
28(2): 161-165,1996

Alfalfa (Medicago sativa L. cv Regen SY) plants were regenerated from roots induced by inoculation of leaf discs with Agrobacterium rhizogenes containing the vector p35S GUS INT. The DNA transformed t...

Published

Doi:
28(2): 167-172,1996

Electrophoretic profiles of native seed protein of 26 species of the genus Vicia representing sections Australe, Vicilla and Cracca in subgenus Vicilla and sections Hypechusa, Peregrinae and Faba in s...

Published

Doi:
28(2): 173-182,1996

Acacia nilotica seeds collected from Cholistan desert, Bahawalpur, Pakistan, exhibited poor germination profiles both at 37°C and at natural day and night alternating temperature cycle (25/16°C), At...

Published

Doi:
28(2): 183-189,1996

Bayleton showed adverse effects on seed germination of Vigna radiala as compared to Topsin-M. Fungicides also affected root growth as compared to shoot growth. An increase in phenolic content of seedl...

Published

Doi:
28(2): 191-193,1996

Plant tops are considered as both sink and source of various N gases and other air pollutants which therefore, may influence the gaseous N content of the environment. Five varieties each of wheat (Tri...

Published

Doi:
28(2): 195-202,1996

A procedure was developed which allows high frequency adventitious shoot regeneration from radicle tissues of Aegle marmelos. Adventitious buds were initiated on Murashige & Skoog's (MS) medium c...

Published

Doi:
28(2): 203-206,1996

Shoot apices of Bougainvillea spectabilis cv. Texas Dawn were excised and cultured on MS .modified medium containing different concentrations and combinations of plant growth regulators for shoot grow...

Published

Doi:
28(2): 207-211,1996

Artificial inoculation with a spore suspension of Ascochyta rabiei showed highest leaf and branch infection in Aug424 followed by Pb-1 with maximum resistance in ILCI91 followed by CM72. Histological ...

Published

Doi:
28(2): 213-217,1996

Seaweed viz., Sargassum lenerrumum, S.swartzii and S. wighlii bused as soil amendment alone or with Pseudomonas aeruginosa, Bradyrhizobium japonicum and Paecilomyces Iilacinus significantly (p ...

Published

Doi:
28(2): 219-223,1996

Using agar plate, blotter and deep freezing method, 11 genera and 23 species of fungi were isolated from walnut (Juglans regia) seeds. Agar plate method yielded greater number of fungi. Of the fungi i...

Published

Doi:
28(2): 225-230,1996

Among the pathogenic fungi, Fusarium moniliforme Sheld., has been found widely distributed in seeds of different rice cuItivars in Pakistan causing wilt of seedlings (Khan et aI., 1974). Using blotter...

Published

Doi:
28(2): 231-232,1996

Fenugreek (Trigonellafo.enum-graecum L) used as a condiment is well known for its alkaloids trogonelline, cholesterin, lecithin and choline. Fenugreek has also been used as a green manure for the cont...

Published

Doi:
28(2): 233-234,1996

Galphimia gracilis Bartl. (Malpighiaceae) is a shrub or a small tree upto 10' in height with yellow flowers. It is a native of Mexico which has since been introduced in Pakistan. During an excava...

Published

Doi:
28(2): 235-237,1996

A monographic study of the genus Sibbaldia (Rosaceae) is carried out. A total of 10 species are recognized of which 9 are dominantly Asian species whereas 1 species (Sibbaldia procumbens) is distribut...

Published

Doi:
28(1): 1-38,1997

Pollen morphology of the family Neuradaceae has been examined from Pakistan by light and scanning electron microscope. Pollen grains are generally heteropolar, oblate, 3-aperturate with reticulate tec...

Published

Doi:
28(1): 39-42,1997

Anatomical features of wood of 15 coniferous species viz., Abies pindrow Royle., Cedrus deodara (Rex. ex Lamb.) G. Don., Cupressus arizonica Greene., C. funebris Endl., C. sempervirens L., C. torulosa...

Published

Doi:
28(1): 43-73,1997

A broad vegetation analysis has been carried out in one of the prominent Rawdhats (Rawdhat Khorim) in the Central region of Saudi Arabia. The vegetation of the study site which is protected from off r...

Published

Doi:
28(1): 75-88,1997

The magnitude of genotype-environment interaction and the stability parameters of 21 F6 Near Isogeneic Lines (NILs) of wheat developed from 4 indigenous inbred lines and 2 exotic lines were estimated ...

Published

Doi:
28(1): 89-95,1997

Studies on genotypic and phenotypic variance, heritability and expected genetic advance for G.O.T. %, staple length, lint index, fibre strength, fibre fineness and seed cotton yield in 10 genotypes of...

Published

Doi:
28(1): 97-101,1997

Agro-morphological response of two maize (Zea mays L.) cultivars viz., Neelum and Akbar to water stress at their different development stages was studied at the agronomic research area, University of ...

Published

Doi:
28(1): 103-111,1997

Leaves, roots and seeds of soybean and cotton were subjected to a series of temperature stress of 30, 34,38, 42, 46 and 50°C to measure the ion efflux from the cell. Soybean leaves leaked more electr...

Published

Doi:
28(1): 113-117,1997

A field experiment was conducted at the Marfa Mwar field station, Univesity of Wales Aberystwyth, UK. on a sandy loam soil during 1993 to evaluate the seed density and row spacing effects on the growt...

Published

Doi:
28(1): 119-123,1997

Growth srudy of mustard (Brassica juncea L. cv. cutlass) was srudied under (triple, double and single) irrigation regimes and dry conditioned treatment in the field during 1991 and 1992. In triple app...

Published

Doi:
28(1): 125-134,1997

Sustained embryogenesis in data palm (Phoenix dactylifera L. cv. Dhakki) were induced which were then induced to form plants. These plants after acclimatization were transferred to field in D.I. Khan ...

Published

Doi:
28(1): 135-141,1997

Meristematic tip with two pairs of leaf primordia from 5 clones of dessert banana (Musa spp.) viz., GN60A, SH3362, William, Highgate and Basrai were evaluated for in-vitro propagation. Rapid shoot pro...

Published

Doi:
28(1): 143-150,1997

Five species of fresh water red algae viz., Audouinella hermannii Roth, Barrachospermum cf. arcuartum Kylin; Compsopogon coeruleus (Balbis) Montagne; Composopogon cf. prolijicus Yadava et Kumano and T...

Published

Doi:
28(1): 151-160,1997

Biodiversity among 25 strains of Xilnthomonas campestris pv cirri isolated from different localities of Pakistan was distinguished through Immunodiffusion tests. Two serovars were detected based on th...

Published

Doi:
28(1): 161-166,1997

Using component plating technique, 7 genera and 16 species of fungi were isolated from almond seeds collected from different localities of Pakistan. Most of the fungi were located on seed coat followe...

Published

Doi:
28(1): 167-170,1997

Karnal or partial bunt of wheat caused by Tilletia indica Mitra (Syn. Neovossia indica (Mitra) Mundkur) is an important disease of wheat in the Punjab and North West Frontier Province of Pakistan, whe...

Published

Doi:
28(1): 171-172,1997

The leaf curl disease of cotton (Gossypium hirsutum L.) was first observed in Pakistan during 1967 from Multan area. The disease remained in low intensities or was ignored until 1987 when it erupted a...

Published

Doi:
28(1): 173-174,1997

Pollen morphology of the family Paeoniaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains are generally radially symmetrical, isopolar prolate-spheroidal, 3 ...

Published

Doi:
28(2): 175-178,1997

A new taxon Codium shameelii Nizam., characterised by coxcomb-like tenninal proliferations has been described from the coast of Pakistan....

Published

Doi:
28(2): 179-184,1997

The vegetative, anatomical and reproductive structures of the Pakistani populations of Gelidiurn pusillurn (Stackhouse) Le Jolis have been investigated. The plants showed distinctive features with tur...

Published

Doi:
28(2): 185-190,1997

Twenty one species of algae were found growing as epiphytes on the pneumatophores of mangrove Avicennia marina (Forssk.) Vierh. They appear to be new reports as epiphytes on mangroves of Pakistan exce...

Published

Doi:
28(2): 191-197,1997

Conidial appendages have been used as a taxonomic criteria in Coelomycetes. A modified conidial appendages classification has been proposed....

Published

Doi:
28(2): 199-205,1997

Fifteen isolates of Ascochyta rabiei causing blight of chickpea (Cicer arietinum) were collected from Pakistan and analyzed for esterase, acid phosphatase, alcohol dehydrogenase, lactate dehydrogenase...

Published

Doi:
28(2): 207-216,1997

Out of 16 genera and 28 species of fungi isolated from soil, at least 7 genera and 10 species of fungi were isolated from root, stem, leaves and seeds of infected plants of bell pepper (Capsicum annuu...

Published

Doi:
28(2): 217-222,1997

Axenic soil base VAM cultures of 6 different Glomus spp., viz., Glomus fasiculatum, G. macrocarpum, G. monosporum, G. mosseae, G. radiatum and G. warcupii extracted from the soil of wheat field and st...

Published

Doi:
28(2): 223-227,1997

Pathogenicity of Fusarium moniliforme, F. graminearum and Macrophomina phaseolina isolated from stalk rot disease of corn were tested on a susceptible com cv. Shaheen in different seasons and at diffe...

Published

Doi:
28(2): 229-234,1997

Analyses of cellular fatty acids (FAs) were used to identify bacterial leaf streaking pathogen(s) infecting foxtail and pearl millet in Colorado, USA. Isolates from both hosts were identified as unkno...

Published

Doi:
28(2): 235-241,1997

Based upon their ability to produce auxins (indole-3-acetic-acid equivalents), 11 isolates of rhizobacteria were selected to evaluate their growth promoting activity. Seeds of 2 wheat cvs. Inqlab and ...

Published

Doi:
28(2): 243-248,1997

Glycine max (L) Merrill genotypes (Bossier, Hampton, Improved Pelican and Clark-63) were planted at 15 days interval (1st June, 15th June, 1st July, 15th July, 1st August and 15th August) at Agricultu...

Published

Doi:
28(2): 249-262,1997

Karyomorphological and micromorphological observations of different collections of the species Girardinia diversifolia show enough evidences to the existence of 2 or more ecotypes in the species....

Published

Doi:
28(2): 263-269,1997

The population structure, intraspecific competition and phasic development of growth in a population of Urochondra setulosa (Trin.) C.E. Hubb., in a dry salt marsh of Hawkes Bay, Karachi, Pakistan, ar...

Published

Doi:
28(2): 271-287,1997

Kallar grass [Leptochloa fusca (L) Kunth] and Kochia indica Wight were grown in mono-cultures and mixed-cultures under different soil salinity and water conditions. K. indica suppressed growth of kall...

Published

Doi:
28(2): 289-297,1997

Salinity/Water stress commonly cause leaf yellowing due to changes in chlorophyll, reduction in endogenous cytokinins as well as an enhancement in abscisic acid (AbA) contents. Since cytokinin (CK) an...

Published

Doi:
28(2): 299-303,1997

Experiments were undertaken to see the prospects of using saline/sodic water for irrigation. The brackish water was amended with biological ameliorants like sesbania, pressmud or poultry manure or use...

Published

Doi:
28(2): 305-311,1997

The effects of adding K, P and Ca to saline nutrient solutions on K/Na ratio and salinity tolerance in tomato (Lycopersicon esculentum Mill) in five tomato cultivars viz., Tropic, Marikit, Montecarlo,...

Published

Doi:
28(2): 313-318,1997

During the growth of rice crop upto 7-54% of fertilizer N is generally lost from soil plant system. Using 15N labelling technique, the balance of vegetative N between anthesis and maturity in 3 rice c...

Published

Doi:
28(2): 319-322,1997

Vigna ambacensis plants grown hydroponically in a Hoagland nutrient solution with either nitrate or ammonia as a source of nitrogen and NaCI a 0,40, 80 and 160 mM concentrations showed reduction in al...

Published

Doi:
28(2): 323-330,1997

Water soluble sugar and sugar alcohol composition in fruits of Laurocerasus officinalis cvs. Oxygemmis, Globigemmis and wild form of L. officinalis Roem., have been examined. Gas chromatography-mass s...

Published

Doi:
28(2): 331-336,1997

A series of experiments were conducted in pot and lysimeter conditions to evaluate net photosynthesis and water-use-efficiency as breeding criteria for drought resistance. Six drought resistant and 6 ...

Published

Doi:
28(2): 337-346,1997

In homoeopathic system of medicine, the use of small ,doses of potentised substances by succession or trituration and dilution excites the curative force of the substances. When substances are diluted...

Published

Doi:
28(2): 347-349,1997

Gradual and shock treatments of NaCI salinity to wheat (Abdullah et al., 1978) and cotton plant (Abdullah & Ahmed, 1986) are reported to decrease the viability and germination of pollen grain. Sharma ...

Published

Doi:
28(2): 351-354,1997

Extensive studies have been conducted on Leptochloa fusca (L.) Kunth (kallar grass) regarding its salinity/sodicity tolerance, nutrition and productivity on saline lands (Malik et al., 1986). This gra...

Published

Doi:
28(2): 355-357,1997

Alternaria padwickii (Ganguly) M.B. Ellis (Syn., Trichoconis padwickii Ganguly) is an important seed-borne fungus which causes stackbum disease of rice (Noble & Richardson, 1968). The fungus occurs wi...

Published

Doi:
28(2): 359-361,1997

...

Published

Doi:
30(1): 1-2,1998

Pollen morphology of the family Cistaceae has been examined from Pakistan by light and scanning electron microscope. Pollen grains are generally tricolporate, triangular, prolate-spheroidal with stria...

Published

Doi:
30(1): 3-6,1998

Euastrum oblongum, E. verrucosum var. rhomboideum, Micrasterias americana, M. denticulata. M. rotata, Staurastrum pilosum and Spondylosium planum are recorded for the first time from Turkey....

Published

Doi:
30(1): 7-13,1998

Vaucheria geminata (Vaucher) de Candole var. geminata was found preponderant in the beta-mesosaprobic riverine pond in winter and V. longicaulis Hoppaugh in eusaprobic pond in Hyderabad, Sindh, Pakist...

Published

Doi:
30(1): 15-18,1998

Methanolic (MeOH) extract of Chara corallina var. wallichii (A. Br.) R. D. Wood has been analysed for its fatty acid and sterol compositions. Using GC-MS technique 23 fatty acids viz., 7 saturated, 6 ...

Published

Doi:
30(1): 19-31,1998

A study was conducted to assess the mutagenic and recombinogenic potential of 10 commonly consumed spices and condiments viz., bay leaves, black pepper, cardamom small, caraway, red chilies, cinnamon,...

Published

Doi:
30(1): 33-38,1998

The effect of physical parameters like temperature, flooding duration and soil type on the incidence of root and collar rot disease of chillies was examined. The disease incidence increased from 0-100...

Published

Doi:
30(1): 39-43,1998

Soil amendment with neem seed cake, cotton seed cake, Datura fastuosa and Steochospermum marginatum significantly (p...

Published

Doi:
30(1): 45-50,1998

Number of nuclei and the nature, arrangement and number of appendages in 8 genera of Coelomycetes viz., Kellermania, Alpakesa, Seimatosporiopsis. Parahyalotiopsis. Hyalotiella. Hyalotiopsis. Robillard...

Published

Doi:
30(1): 51-68,1998

Bradyrhizobium sp., with Benlate or Bavistin and Rhizobium meliloti isolates with Captan or Topsin-M showed better control of Fusarium solani infection on chickpea roots than their separate use. Brady...

Published

Doi:
30(1): 69-74,1998

A pot experiment was conducted to observe the growth, nodulation and ion accumulation of salt tolerant and salt sensitive cultivars of soybean (Glycine max L.) when grown in symbiotic association with...

Published

Doi:
30(1): 75-81,1998

Effects of soaking seed with plant growth regulators viz., Indole acetic acid (IAA), Abscisic acid (ABA) and Kinetin each at 10-6 M on Glycine max (L) cv. NARC-1 was studied. Kinetin was found to be m...

Published

Doi:
30(1): 83-86,1998

A study using 21 cultivars of wheat (Triticum aestivum L) and a salt tolerant barley (Hordeum vulgare L) showed significnat variation in ∆ (discrimination against 13C during photosynthetic CO2 - upt...

Published

Doi:
30(1): 87-93,1998

The expressivity of H2 gene of hairiness (pilose) and L° gene of leaf shape in cotton (Gossypium hirsutum L) was studied in F1 and F2 generations of four crosses involving a female Okra Pilose strain...

Published

Doi:
30(1): 95-100,1998

Karyological studies in Hordeum species viz., H. bogdanii (2x), H. brachyantherum ssp, californicum (2x), H. brevisubulatum (4x), H. brevisubulatum ssp. nevskianum (2x), H. brevisubulatum ssp. turkest...

Published

Doi:
30(1): 101-115,1998

External morphological, anatomical and physilogical studies on Galanthus ikariae Baker and G. rizehensis Stem (Amaryllidaceae), the bulbous perennial plants collected from Trabzon, Turkey are describe...

Published

Doi:
30(1): 117-131,1998

Three different plastic collectors of seeds of 18 x 23 x 4.5 cm from an isolated plant of Eryngium paniculatum (Apiaceae-Saniculoideae) were placed at 5 and 75 cm heights from the ground to test their...

Published

Doi:
30(1): 133-140,1998

Presowing treatment of dry wheat seeds to a constant magnetic field of 30 mT was found to promote the elongation of 24 hrs old wheat coleoptile tips. The growth of apical and basal segments of wheat c...

Published

Doi:
30(1): 141-144,1998

Sodium chloride is known to inhibit the mitotic activity (Kuliava et al....

Published

Doi:
30(1): 145-149,1998

Phytophthora crown and root rot disease of apple is widespread in most apple growing areas of Malakand Division, Pakistan where Phytophthora cactorum and Phytophthora spp., have been reported from inf...

Published

Doi:
30(1): 151-,1998

Geriachia oryzae (Hashioka & Yokogi) W. Gams (Syn. Rhynchosporium oryzae Hashioka & Yokogi), a dematacious fungus is wide spread in the rice growing areas of the world (Baker & Miah...

Published

Doi:
30(1): 153-154,1998

...

Published

Doi:
30(1): 1-2,1998

Pollen morphology of the family Cistaceae has been examined from Pakistan by light and scanning electron microscope. Pollen grains are generally tricolporate, triangular, prolate-spheroidal with stria...

Published

Doi:
30(1): 3-6,1998

Euastrum oblongum, E. verrucosum var. rhomboideum, Micrasterias americana, M. denticulata. M. rotata, Staurastrum pilosum and Spondylosium planum are recorded for the first time from Turkey....

Published

Doi:
30(1): 7-13,1998

Vaucheria geminata (Vaucher) de Candole var. geminata was found preponderant in the beta-mesosaprobic riverine pond in winter and V. longicaulis Hoppaugh in eusaprobic pond in Hyderabad, Sindh, Pakist...

Published

Doi:
30(1): 15-18,1998

Methanolic (MeOH) extract of Chara corallina var. wallichii (A. Br.) R. D. Wood has been analysed for its fatty acid and sterol compositions. Using GC-MS technique 23 fatty acids viz., 7 saturated, 6 ...

Published

Doi:
30(1): 19-31,1998

A study was conducted to assess the mutagenic and recombinogenic potential of 10 commonly consumed spices and condiments viz., bay leaves, black pepper, cardamom small, caraway, red chilies, cinnamon,...

Published

Doi:
30(1): 33-38,1998

The effect of physical parameters like temperature, flooding duration and soil type on the incidence of root and collar rot disease of chillies was examined. The disease incidence increased from 0-100...

Published

Doi:
30(1): 39-43,1998

Soil amendment with neem seed cake, cotton seed cake, Datura fastuosa and Steochospermum marginatum significantly (p...

Published

Doi:
30(1): 45-50,1998

Number of nuclei and the nature, arrangement and number of appendages in 8 genera of Coelomycetes viz., Kellermania, Alpakesa, Seimatosporiopsis. Parahyalotiopsis. Hyalotiella. Hyalotiopsis. Robillard...

Published

Doi:
30(1): 51-68,1998

Bradyrhizobium sp., with Benlate or Bavistin and Rhizobium meliloti isolates with Captan or Topsin-M showed better control of Fusarium solani infection on chickpea roots than their separate use. Brady...

Published

Doi:
30(1): 69-74,1998

A pot experiment was conducted to observe the growth, nodulation and ion accumulation of salt tolerant and salt sensitive cultivars of soybean (Glycine max L.) when grown in symbiotic association with...

Published

Doi:
30(1): 75-81,1998

Effects of soaking seed with plant growth regulators viz., Indole acetic acid (IAA), Abscisic acid (ABA) and Kinetin each at 10-6 M on Glycine max (L) cv. NARC-1 was studied. Kinetin was found to be m...

Published

Doi:
30(1): 83-86,1998

A study using 21 cultivars of wheat (Triticum aestivum L) and a salt tolerant barley (Hordeum vulgare L) showed significnat variation in ∆ (discrimination against 13C during photosynthetic CO2 - upt...

Published

Doi:
30(1): 87-93,1998

The expressivity of H2 gene of hairiness (pilose) and L° gene of leaf shape in cotton (Gossypium hirsutum L) was studied in F1 and F2 generations of four crosses involving a female Okra Pilose strain...

Published

Doi:
30(1): 95-100,1998

VAHIDY, A.A. AND B. JAHAN...

Published

Doi:
30(1): 101-115,1998

External morphological, anatomical and physilogical studies on Galanthus ikariae Baker and G. rizehensis Stem (Amaryllidaceae), the bulbous perennial plants collected from Trabzon, Turkey are describe...

Published

Doi:
30(1): 117-131,1998

Three different plastic collectors of seeds of 18 x 23 x 4.5 cm from an isolated plant of Eryngium paniculatum (Apiaceae-Saniculoideae) were placed at 5 and 75 cm heights from the ground to test their...

Published

Doi:
30(1): 133-140,1998

Presowing treatment of dry wheat seeds to a constant magnetic field of 30 mT was found to promote the elongation of 24 hrs old wheat coleoptile tips. The growth of apical and basal segments of wheat c...

Published

Doi:
30(1): 141-144,1998

Sodium chloride is known to inhibit the mitotic activity (Kuliava et al....

Published

Doi:
30(1): 145-149,1998

Phytophthora crown and root rot disease of apple is widespread in most apple growing areas of Malakand Division, Pakistan where Phytophthora cactorum and Phytophthora spp., have been reported from inf...

Published

Doi:
30(1): 151-,1998

Geriachia oryzae (Hashioka & Yokogi) W. Gams (Syn. Rhynchosporium oryzae Hashioka & Yokogi), a dematacious fungus is wide spread in the rice growing areas of the world (Baker & Miah...

Published

Doi:
30(1): 153-154,1998

Pollen morphology of the family Coriariaceae has been examined from Pakistan by light and scanning electron microscope. Pollen grains are generally porate, prolate - spheroidal with scabrate tectum....

Published

Doi:
30(2): 155-157,1998

While revising the genus Fagonia from Pakistan, a new species: Fagonia elliptica Thbassurn, Orner & Qaiser sp. nov., is recognized, whereas one new status is also proposed....

Published

Doi:
30(2): 159-160,1998

To elucidate the phylogeny of the endemic North American genus Uvularia and related taxa, the chloroplast gene rbcL was sequenced in all the 5 species of the genus. The rbcL sequence data of 12 other ...

Published

Doi:
30(2): 161-172,1998

The genus Silene L.. (Caryophyllaceae) from Turkey have been studied for their seed morphology. A total of 19 species of which 3 are endemic belonging to 12 sections were studied. The seeds show varia...

Published

Doi:
30(2): 173-188,1998

Seed bank and morphological characteristics of Arthrocnemum macrostachyum population along an inundation gradient are described. The seed density increased substantially from lower marsh (2987 seed m-...

Published

Doi:
30(2): 189-197,1998

Field experiments were conducted to study the nitrogen fixing potential of cultivars and breeding lines of chickpea (Cicer arietinum) where 20 chickpea genotypes were compared using the 15N isotope di...

Published

Doi:
30(2): 199-207,1998

A study was undertaken to estimate the level and pattern of correlation between various plant characters including grain yield, separately in 28 Fls and 18 homozygous parental genotypes of chickpea gr...

Published

Doi:
30(2): 209-219,1998

A series of field experiments were conducted on sandy loam soil at Cereal Crops Research Institute, Pirsabak (Nowshera) NWFP, to study the effect of sowing time, crop density and weed control on headi...

Published

Doi:
30(2): 221-225,1998

Two hundred and eighty five blackgram germplasm accessions, collected from different parts of Pakistan were evaluated for morphological and agronomical traits. The evaluation results based on basic st...

Published

Doi:
30(2): 227-238,1998

The effect of aqueous sprays of salicylic acid (SA), acetylsalicylic acid (ASA) and methyl-2,6 dichloroisonicotinic acid (INA) , which mimics SA action, was investigated and compared with naphthalenea...

Published

Doi:
30(2): 239-243,1998

Gennination and growth inhibiting activity of water soluble extract of Washingtonia filifera fruits was investigated. Paper chromatographic separation of the extract revealed the presence of two inhib...

Published

Doi:
30(2): 245-252,1998

Two sugarcane clones viz., AEC81-8415 and BL4 were tested for in vitro mutagenesis using irradiation doses of 0...

Published

Doi:
30(2): 253-261,1998

In order to determine the mode of inheritance of resistance to blackeye cowpea mosaic virus in 6 cowpea lines, direct, reciprocal and back crosses were attempted between resistant and susceptible pare...

Published

Doi:
30(2): 263-270,1998

Seimatosporiella salvadore gen. et sp. nov., is proposed for a species found on Salvadora oleoides. It has pycnidial to eustromatic conidiomata. Conidia brown, cylindrical to fusiform to clavate, minu...

Published

Doi:
30(2): 271-278,1998

Use of Bradyrhizobium spp.. (chickpea isolate and mungbean isolate) and Rhizobium trifolii (berseem isolate) with or without fungal antagonists viz., Paecilomyces lilacinus. Memnoniella echinata. Tric...

Published

Doi:
30(2): 279-286,1998

Infection and colonization of Macrophomina phaseolina increased significantly (p...

Published

Doi:
30(2): 287-290,1998

Sunflower seeds inoculated with toxigenic strain of Aspergillus flavus showed a reduction in seed germination whereas seed treattnent with fungicides viz., Captan, Bay tan and Benomyl significantly in...

Published

Doi:
30(2): 291-294,1998

A software was developed in order to help the management of reference collections when microhistology is used to determine herbivorous diet. This software represents a useful tool in the redeterminati...

Published

Doi:
30(2): 295-300,1998

During a survey of the marine algal flora, a variety of forms attributed to the genus Scinaia Bivona-Bernardi (Galaxauraceae, Bonnemaisoniales) were found growing along the coast of Pakistan (Shameel ...

Published

Doi:
30(2): 301-303,1998

Although comprehensive lists of saprophytic and plant parasitic fungi from Pakistan are available, the Oomycetes are among the less studied group of fungi where 8 genera comprising of 35 species have ...

Published

Doi:
30(2): 305-306,1998

Pollen morphology of the family Coriariaceae has been examined from Pakistan by light and scanning electron microscope. Pollen grains are generally porate, prolate - spheroidal with scabrate tectum....

Published

Doi:
30(2): 155-157,1998

While revising the genus Fagonia from Pakistan, a new species: Fagonia elliptica Thbassurn, Orner & Qaiser sp. nov., is recognized, whereas one new status is also proposed....

Published

Doi:
30(2): 159-160,1998

To elucidate the phylogeny of the endemic North American genus Uvularia and related taxa, the chloroplast gene rbcL was sequenced in all the 5 species of the genus. The rbcL sequence data of 12 other ...

Published

Doi:
30(2): 161-172,1998

The genus Silene L.. (Caryophyllaceae) from Turkey have been studied for their seed morphology. A total of 19 species of which 3 are endemic belonging to 12 sections were studied. The seeds show varia...

Published

Doi:
30(2): 173-188,1998

Seed bank and morphological characteristics of Arthrocnemum macrostachyum population along an inundation gradient are described. The seed density increased substantially from lower marsh (2987 seed m-...

Published

Doi:
30(2): 189-197,1998

Field experiments were conducted to study the nitrogen fixing potential of cultivars and breeding lines of chickpea (Cicer arietinum) where 20 chickpea genotypes were compared using the 15N isotope di...

Published

Doi:
30(2): 199-207,1998

A study was undertaken to estimate the level and pattern of correlation between various plant characters including grain yield, separately in 28 Fls and 18 homozygous parental genotypes of chickpea gr...

Published

Doi:
30(2): 209-219,1998

A series of field experiments were conducted on sandy loam soil at Cereal Crops Research Institute, Pirsabak (Nowshera) NWFP, to study the effect of sowing time, crop density and weed control on headi...

Published

Doi:
30(2): 221-225,1998

Two hundred and eighty five blackgram germplasm accessions, collected from different parts of Pakistan were evaluated for morphological and agronomical traits. The evaluation results based on basic st...

Published

Doi:
30(2): 227-238,1998

The effect of aqueous sprays of salicylic acid (SA), acetylsalicylic acid (ASA) and methyl-2,6 dichloroisonicotinic acid (INA) , which mimics SA action, was investigated and compared with naphthalenea...

Published

Doi:
30(2): 239-243,1998

Gennination and growth inhibiting activity of water soluble extract of Washingtonia filifera fruits was investigated. Paper chromatographic separation of the extract revealed the presence of two inhib...

Published

Doi:
30(2): 245-252,1998

Two sugarcane clones viz., AEC81-8415 and BL4 were tested for in vitro mutagenesis using irradiation doses of 0...

Published

Doi:
30(2): 253-261,1998

In order to determine the mode of inheritance of resistance to blackeye cowpea mosaic virus in 6 cowpea lines, direct, reciprocal and back crosses were attempted between resistant and susceptible pare...

Published

Doi:
30(2): 263-270,1998

Seimatosporiella salvadore gen. et sp. nov., is proposed for a species found on Salvadora oleoides. It has pycnidial to eustromatic conidiomata. Conidia brown, cylindrical to fusiform to clavate, minu...

Published

Doi:
30(2): 271-278,1998

Use of Bradyrhizobium spp.. (chickpea isolate and mungbean isolate) and Rhizobium trifolii (berseem isolate) with or without fungal antagonists viz., Paecilomyces lilacinus. Memnoniella echinata. Tric...

Published

Doi:
30(2): 279-286,1998

Infection and colonization of Macrophomina phaseolina increased significantly (p...

Published

Doi:
30(2): 287-290,1998

Sunflower seeds inoculated with toxigenic strain of Aspergillus flavus showed a reduction in seed germination whereas seed treattnent with fungicides viz., Captan, Bay tan and Benomyl significantly in...

Published

Doi:
30(2): 291-294,1998

A software was developed in order to help the management of reference collections when microhistology is used to determine herbivorous diet. This software represents a useful tool in the redeterminati...

Published

Doi:
30(2): 295-300,1998

During a survey of the marine algal flora, a variety of forms attributed to the genus Scinaia Bivona-Bernardi (Galaxauraceae, Bonnemaisoniales) were found growing along the coast of Pakistan (Shameel ...

Published

Doi:
30(2): 301-303,1998

Although comprehensive lists of saprophytic and plant parasitic fungi from Pakistan are available, the Oomycetes are among the less studied group of fungi where 8 genera comprising of 35 species have ...

Published

Doi:
30(2): 305-306,1998

Pollen morphology of the family Frankeniaceae has been examined from Pakistan by light and scanning electron microscope. Pollen grains are generally colpate, sub-oblate. Tectum densely rugulate with s...

Published

Doi:
31(1): 1-3,1999

Isozyme peroxidase (Pox), shikimic dehydrogenase (Sdh), superoxide-dismutase (Sod), esterase (Est), phosphoglucoisomerase (Pgi) and catalase (Cat) were standardised for different varieties of cotton (...

Published

Doi:
31(1): 5-20,1999

Total activity of peroxidase and its isozymic profiles in the explants of soybean during the process of dedifferentiation was investigated. The explants obtained from aseptically germinated seedling w...

Published

Doi:
31(1): 21-29,1999

Adventitious shoot regeneration from hypocotyl explants was examined in Citrullus lanatus Thunb. Hypocotyl explants of 2,3.4,5 and 6 week old seedlings when cultured on LS medium containing BA, Kn, Zi...

Published

Doi:
31(1): 31-35,1999

The relative morphogenetic response of internodal segments of tomato hybrids viz., Bornia and Royesta was studied at varying concentration of BAP, Kn, NAA and IAA. NAA @ 3 uM/I proved to be better tha...

Published

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31(1): 37-40,1999

An investigation was carried out to estimate genetic variability and level of association of grain yield with its various components, separately in 18 parental lines...

Published

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31(1): 41-53,1999

Photosynthetic pigments, TAN (Titrable Acid Number), proteins, polyphenols and tannin con leaves of 9 species of mangroves viz., Acanthus ilicifolius, A. ebracteatus, A. volubilis, Brownlowia tersa, B...

Published

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31(1): 55-62,1999

Rice (Orya sativa 1. cv. IR-30) was grown hydroponically in growth chambers at 28/23°C day/night temperatures with 14-h photoperiod and quantum irradiance of 450 umol m-2 S-l. Sucrose phosphate ;ynth...

Published

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31(1): 63-77,1999

Cotton (Gossypium hirsutum L) Cv. MNH-93 was tested to see the differences in rates of cell division betWeen slow-growing and fast-growing roots by maesuring the (Me-3H) thymidine incorporation into D...

Published

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31(1): 79-84,1999

Effect of phosphorus deficiency on PMEase activity in cotton, wheat and rice was investigated. Seedlings grown with and without phosphorus added to the growth medium using pNPP substrates at different...

Published

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31(1): 85-91,1999

Use of Dipterex insecticide showed a decrease in carbohydrate, RNA and DNA contents of Vigna radiata and Vigna mungo with more adverse effects on V. radiata specially at higher concentration of insect...

Published

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31(1): 93-96,1999

An experiment was conducted to study the effects of methanol on the growth and productivity of tomato (Lycopersicon esculentum Mill.) in a sandy soil during 1996 and 1997. Plants were transplanted in ...

Published

Doi:
31(1): 97-101,1999

A field experiment was conducted to evaluate the effect of sowing dates and row spacings on yield and yield components of different soybean genotypes under rainfed conditions. The newly developed test...

Published

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31(1): 103-108,1999

Effect of drought simulation (terminal, preanthesis, postanthesis and full irrigation) on grain weight, protein and lysine content in different strains of bread wheat viz., Chakwal, Pavon, AZS-4 and A...

Published

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31(1): 109-114,1999

Cotton leaf curl disease in Pakistan is associated with two whitefly-transmitted geminivirus species named cotton leaf curl virus Pk1 (CLCuV-Pk1) and cotton leaf curl virus Pk2 (CLCuV-Pk2). PCR is a h...

Published

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31(1): 115-123,1999

Spontaneous deletion was detected in read-through domain of potato mop-top furovirus (PMTV) RNA 3 of isolate T by reverse transcription-polymerase chain reaction (RT-PCR). PCR amplification of readthr...

Published

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31(1): 125-136,1999

Cynodon dartyton (L.) Pers., Desmostachya bipinnata (L.) Stapf, Kochia indica Wight, Polypogon monspeliensis (L.) Desf., Sporobolus arabicus Boiss., and Suaeda fruticosa (L.) Forssk. established in we...

Published

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31(1): 137-149,1999

Relative toxicity of five phenolic compounds and 2,4-D herbicide on seed germination and early seedling growth of Pennisetum americanum (L.) Schumann and the degree of leaching of 2,4-D and benzoic ac...

Published

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31(1): 151-161,1999

Arthrocnemum macrostachyum is a stem succulent halophyte commonly found in the intertidal communities in the, tropics and subtropics. The effect of density on the growth of a population of A. macrosta...

Published

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31(1): 163-172,1999

Frankia strains isolated from actinorhizae of 7 Casuarina/Allocasuarina species were screened for nodulation and nitrogen fixing ability on Casuarina glauco and C. obesa plants under controlled enviro...

Published

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31(1): 173-182,1999

Estimates of nitrogen concentration in cultivated and wild species of 115 leguminous plants of Sindh are reported. The main aim of this investigation was to find relationship between nitrogen contents...

Published

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31(1): 183-192,1999

Codium eiongatum, Cauierpa texijlora and Viva lactuius (green algae) were collected from Karachi coast. High Molecular Weight Crude Elicitor Preparation (HMWCEP) of these plants were obtained by seque...

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31(1): 193-198,1999

Of a total of 41 genera and 66 species of red, green and brown seaweeds collected from the rocky shore of Buleji during August...

Published

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31(1): 199-210,1999

Melanothamnus afaqhusainii Shameel is characterised by large size of thallus (up to 80 cm) with 7-14 celled thick cortical zone, bearing conical (spindle shaped) propagule-like bodies, up to 365 um lo...

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31(1): 211-214,1999

Codium saifullahii Nizam., sp. nov., is characterized by flattened thallus and a great variation in shape size of utricles as well as gametangia....

Published

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31(1): 215-218,1999

Amphisolenia Stein is a warm water marine planktonic dinoflagellate (Taylor...

Published

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31(1): 219-220,1999

A new combination Phloeosporella salvodorae (Prasad, Singh & Bhatnagar) Abbas, Sutton & Ghaffar is proposed based on Septogloeum salvadorae Prasad, Singh & Bhatnagar....

Published

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31(1): 221-225,1999

TLC technique and plug method were used for the detection of aflatoxin in almond seed. Of the 25 seed samples examined, 5 were found to be contaminated with aflatoxin B1 (5.8-140 ug/kg) which included...

Published

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31(1): 227-230,1999

Sunflower seeds inoculated with Aspergillus flavus reduced seed geemination with greater production of aflatoxin during storage. Use of ammonia gas although reduced seed germination but infection of A...

Published

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31(1): 231-235,1999

Use of Pseudomonas aeruginosa with or without Badyrhizobium sp., significantly reduced Macrophomina phaseolina, Rhizoctonia solani and Fusarium solani infection on mashbean (Vigna mungo (L.) Hepper un...

Published

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31(1): 237-242,1999

Pollen morphology of the family Betulaceae from Pakistan has been examined by light and scanning electron microscope. Pollen grains are generally 3-5-porate, oblate or sub-oblate with scabrate tectum....

Published

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31(2): 243-246,1999

Scarification of seeds of Ducrosia anethifolia (DC.) Boiff., in concentrated sulphuric acid was found most effective than boiling water or ethanol treatment to break seed dormancy. Germination percent...

Published

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31(2): 247-252,1999

The importance of seed size in germination, emergence, growth and survivorship was assessed. Seed weight of Acacia nilotica subsp. indica varied from 0.1104 to 0.2490 g per seed with a coefficient of ...

Published

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31(2): 253-263,1999

Effect of light and different concentrations of m- and p- isomers of 1-nitrophenyl indole-2-carboxylic acid (NPICA) has been investigated on the germination of Cenchrus ciliaris seeds. Light not only ...

Published

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31(2): 265-270,1999

Heat stress tolerance was studied in cotton (Gossypium hirsutum L.). Callus cultures of two cotton cultivars viz., Coker 312 (cotyledonary-derived) and Acala SJ2 (leaf and petiole-derived) showed sign...

Published

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31(2): 271-281,1999

Various combinations of plant hormones were tested for canogenesis in different explants of microsperma lentil cultivar Masoor-85. Callogenesis was observed under dark conditions. Calli could regenera...

Published

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31(2): 283-292,1999

Protoplasts were isolated both from leaf mesophyll tissue as well as from compact globular white embryogenic callus of mesophyll origin in sugarcane (Saccharum spp. hybrid cv. COL 54). Totipotent prot...

Published

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31(2): 293-300,1999

Original chromosome observations of seven species of the genus Centaurea (Sect. Acrocentron) are reported. Of these, counts for 3 taxa viz. C. irritance 'Wagenitz., C. persica Boiss, and C. sosnovskyi...

Published

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31(2): 301-305,1999

The distribution of heterochromatin on the chromosomes of Vicia hybrida L. (2n= 12), V. hirsuta (L.) S. F. Gray (2n= 14). V. tetrasperma (L.) Schreb, Spic. (2n = 14) and V. sativa L. subsp. nigra (L.)...

Published

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31(2): 307-313,1999

Karyotype analysis of four Lilium L (Liliaceae) species viz., L. candidum L. L. martagon L. L.ciliatum P.H. Davis and L. carniolicum subsp. ponticum. (C.Koch) Davis & Henderson distributed in North Ea...

Published

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31(2): 315-321,1999

Studies were carried out to detennine the inheritance and heritability of early maturity and yield traits where 2 high yielding virginia types (No. 334 and 'NC 9') were crossed with an early maturing ...

Published

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31(2): 323-335,1999

Nitrogen application at 3 different times using 2 methods was used for increasing nitrogen use efficiency of maize in terms of above ground dry matter and grain yield. Side-drilling with 245 g N/plot ...

Published

Doi:
31(2): 337-341,1999

An appreciable amount of uranium was accumulated by Raphanus sp. growing on heap piles of uranium mine wastes and overburdens in the mining area. About 40 % of the plant samples contained > 5 µg U3 O...

Published

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31(2): 343-346,1999

Isozyme peroxidase was studied in different varieties of cotton (Gossypium hirsutum) growing at three different locations to detect possible variation in the activity of peroxidase within a variety gr...

Published

Doi:
31(2): 347-359,1999

Isozymes of the enzyme peroxidase was studied in different resistant, tolerant and susceptible varieties of cotton growing at a location known as a hot spot for cotton leaf curl virus disease. Plant m...

Published

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31(2): 361-370,1999

The circumscription of Gelidium pusillum (Stackhouse) Le Jolis has been discussed and a new taxon G. pusillum var. pakistanicum Afaq-Husain et Shameel is described. The vegetative, anatomical arid rep...

Published

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31(2): 371-382,1999

A new species. Codiurn gerloffi has been described from the coast of Pakistan, which differs from other species of the genus in being unusually flat in form....

Published

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31(2): 383-386,1999

A pot experiment was conducted to study the tolerance induced by vesicular arbuscular mycorrhizal fungi (VAM) and effective microorganisms (EM) in chick pea (Cicer arietinum L.) against allelopathic s...

Published

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31(2): 387-396,1999

Efficacy of three strains of Pseudomonas aeruginosa multiplied on wheat bran, rice husk and saw dust evaluated in the control of soil-borne root infecting fungi under screen house and field conditions...

Published

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31(2): 397-405,1999

Ten new species of Coniothyrium on Salvadora spp. viz., Coniothyrium pakistanicum, C. oblongatum, undulatum, C. maqsoodii, C. ismailii, C. suttonii, C. sultanii, C. sivanesanii, C. punithalingamii; C....

Published

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31(2): 407-436,1999

During a three year survey (1996-99) of betelvine fields in Karachi and Thatta districts of Sindh and area of Balochistan...

Published

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31(2): 437-443,1999

Mustard (Brassica campestris L) is an important oil seed crop of Pakistan cultiated over 3,53,900 ha giving an yield of 2,85,600 tonnes annually (Anon....

Published

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31(2): 445-446,1999

On a loam soil having pH of 8.0., water requirements, dry matter accumulation, yield performance, water use efficiency (WUE) and economics of mashbean (Vigna mungo) were studied during kharif 1992 and...

Published

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31(2): 447-454,1999

A pot experiment was conducted to study the effect of water stresses on the growth features of maize (Zea mays L.) cultivars viz., Amper pop, Bomali, Suvra, Sadaf and Sayar II. The treatments were wit...

Published

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31(2): 455-460,1999

A.H, KHAN, S.M. h-.11JJTA4BAA ND B. KHANZADA...

Published

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31(2): 461-468,1999

Ionizing radiation was successfully utilized to develop the mutant variety Jajai 77-30 with reduced plant height and high grain yield from a commercially grown aromatic variety Jajai 77. About 22 % re...

Published

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31(2): 469-474,1999

A pot experiment was conducted using six rice varieties viz., NR-I, IR-6, NIAB-6, KS-282, Basmati 370 and Basmati-385 to determine their yield potential and quality under non-saline (1.7 dS m-1) and s...

Published

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31(2): 475-479,1999

Research on Plant Viral Diseases in Pakistan - Bibliography and Abstracts. 1999. Compiled by: Saif Khalid. Plant Virology Programme, National Agricultural Research Centre, Islamabad 45500, Pakistan. e...

Published

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31(2): 481-,1999

Pollen morphology of the family Flacourtiaceae has been examined from Pakistan by light and scanning electron microscope. Pollen grains are generally radially symmetrical, isopolar, tricolporate, zono...

Published

Doi:
32(1): 1-3,2000

Pollen morphology of Galanthus e/wesii Hooker (Amaryllidaceae) was examined by light, scanning and transmission electron microscopy. It was compared with that of members of Galanthus ikariae Baker and...

Published

Doi:
32(1): 5-6,2000

cp DNA variations were examined in 16 species of 7 genera of the tribe Polygonatae for 50 probe-enzyme combinations to study phylogenetic relationship among genera and species. The shared fragments we...

Published

Doi:
32(1): 7-14,2000

AFAQ-HUSAIN S, SHAMEEL M...

Published

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32(1): 15-26,2000

Ten species of Discomycetes viz., Bulgaria inquinans Fr. , Geopyxis alpina Fr. , Helvella atra Holmskj ex Fr., H. cupuliformis Dissing & Nanuf., H. elastica Bull. ex St. Amnas, H. villosa (Hedw. ex Kz...

Published

Doi:
32(1): 27-34,2000

A new species of Sphaeropsis karachiensis from Salvadora oleoides is described, illustrated and compared with allied taxa....

Published

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32(1): 35-39,2000

A new species of Sphaeropsis karachiensis from Salvadora oleoides is described, illustrated and compared with allied taxa....

Published

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32(1): 35-39,2000

Anthracnose disease of betelvine caused by Colletotrichum capsici was more frequently detected in Karachi as compared to Thatta and Hub regions of Pakistan. Colletotrichum gloeosporioides was isolated...

Published

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32(1): 41-44,2000

Two Polymerase Chain Reaction (PCR) specific primers, ASCO1 and ASCO2 were developed for the detection of Ascochyta lentis from infected lentil seeds. PCR amplification with primers ASCOI and ASCO2 re...

Published

Doi:
32(1): 45-56,2000

Eleven R plasmids isolated from enteric bacteria were studied for their transfer and stability in plant associated bacteria to use them as vehicles for In vivo genetic engineering. The bacteria of pla...

Published

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32(1): 57-64,2000

Field studies were conducted in 1997 at Central Cotton Research Institute, Sakrand to evaluate useful heterosis in seven hybrids derived from glandless cotton varieties crossed with local advance stra...

Published

Doi:
32(1): 65-68,2000

Four population of maize drived from a broad based population CIMMYT 31 on the basis of silking and black layer formation after four breeding cycle were evaluated for 10 quantitative characters. Signi...

Published

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32(1): 69-75,2000

Homogeneous seeds of Oriental mustard cv. Agati Sarhein (Brassica juncea Coss.) were treated with different doses of gamma rays (750 to 1250 Gy) to induced genetic variability for the selection of gen...

Published

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32(1): 77-83,2000

The stability for yield performance and genotype x environment (GxE) interaction was studied in 12 wheat genotypes grown at 13 contrasting sites (12 in Sindh and one in NWFP) over two years. The combi...

Published

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32(1): 85-91,2000

A declining trenld in per hectare yield of sugarcane in Nawahshah is being observed since 1992. Soil samples collected from Nawabshah, Padedan and Sakrand when analysed for soil properties and some ma...

Published

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32(1): 93-100,2000

NAZIR A. DAHAR, M.H. KHANZADA AND RAZIULLAH KHAN...

Published

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32(1): 101-104,2000

From the chloroformlic extract of Gentiana olivieri plant, two alkaloids gentianine and gentianadine were isolated and their structures established on the basis of spectral data and by comparison with...

Published

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32(1): 105-109,2000

Exogenous and endogenous abscisic acid (ABA) play a preventive role in the germination of seeds (Bewley & Black...

Published

Doi:
32(1): 111-114,2000

Wheat seeds of two different cultivars viz., Inqalab and Pasban, pretreated in water for 2, 6...

Published

Doi:
32(1): 115-119,2000

Changes in carbohydrate content in olive during fruit ripening in on and off years showed that contents of fruit soluble sugars during fruit development increased up to 90 days after fruit set and the...

Published

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32(1): 121-129,2000

Mucilage content and its sugar composition in leaflets of 15 species of Astragalus from Iran were examined. The mucilage content of different species varied from 3.44 to 23.56% dry weight. Mucilage co...

Published

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32(1): 131-140,2000

Floral parts of Crocus sativus L., were cultured on MS medium supplemented with various concentrations of kinetin and naphthalene acetic acid. Excised explants from style, perianth, stamen filament an...

Published

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32(1): 141-150,2000

Avicennia marina is the most dominant species among mangroves found in the lndus delta, Pakistan, alongwith a few populations of Aegiceras corniculata, Rhizophora mucronata and Ceriops tagal. Propagul...

Published

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32(1): 151-169,2000

Variation in composition, strucrure, plant biomass and net primary productivity was analyzed in a grass dominated sandy desert community of Lasiurus scindicus Henr., and Cenchrus setigerus Vahl., situ...

Published

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32(1): 171-210,2000

Fecundity of three Rhynchosia minima populations was compared. The old-field population exhibited highest fecundity as well as average reproductive output weight, followed by the population existing i...

Published

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32(1): 211-226,2000

Gawatar Bay located at Pakistan-Iranian border facing Gulf of Oman serves as a connection between mangroves of the Gulf area and N.E. Arabian Sea of Pakistan. It forms the westernmost part of the coas...

Published

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32(1): 227-234,2000

Algal specimens collected from Hawkesbay sandy beach and Buleji rocky coast of the Arabian sea, 40-50 km from the Karachi University Campus showed the presence of a new cylindrical species of Codium w...

Published

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32(2): 235-238,2000

Camarosporiopsis Abbas, Sutton & Ghaffar gen. nov, and C. cuppuridis (Ahmad) Abbas, Sutton & Ghaffar com nov., on Capparis decidua, based on Camarosporiopsis capparidis Ahmad are described, illustrate...

Published

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32(2): 239-246,2000

Septoria salvadorae Abbas. Sutton & Ghaffar sp.nov., on Salvadora persica is described,iIllustrated and compared with related taxa....

Published

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32(2): 247-250,2000

Of the 17 species of fungi, Macrophomina phaseolina, Fusarium moniliforme, Rhizoctonia solani and maize stem borer Chilo partellus, were found predominantly associated with stalk rot disease of com in...

Published

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32(2): 251-253,2000

The present study is concerned with the optimization of different cultural conditions for the production of L-DOPA from L-Tyrosine by surface culture technique. Of the 12 different isolates of Aspergi...

Published

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32(2): 255-258,2000

Anatomical investigations on 8 cultivars of rice (Oryza sativa L.), four from each of the traditional (local) and modem (high yielding) cultivars, were carried out to study the variation among the cul...

Published

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32(2): 259-264,2000

Effects of NaCI salinity at different growth and developmental stages on ions accumulation in two wheat cultivars were studied in greenhouse conditions. Concentrations of Na + in leaves and roots of G...

Published

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32(2): 265-271,2000

The germinable seeds in the seed bank in the uppermost two centimeter layer of the soil of Rawdhat Khorim in the Riyadh region of Central Saudi Arabia was studied using 1250 cm2 soil samples collected...

Published

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32(2): 273-282,2000

Eryngum paniculatum (Apiaceae-Saniculoideae) is of great importance in the north region of Argentina where it is invading abandoned fields. The studies evaluate the dispersion of the species and prese...

Published

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32(2): 283-288,2000

A experiment was carried out to detennine the relationship between the seed weight and the distance they fall from the mother plant when they disseminate There was an inverse relationship between the ...

Published

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32(2): 289-292,2000

Cousinia mozaffariani is described as a new species from southern Iran. This species is related to Cousinia barbeyi from middle Zagros (Saverz Mountains) in Iran....

Published

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32(2): 293-294,2000

Pollen morphology of 6 endemic taxa in the genus Helichrysum Gaertner (Compositae) has been investigated using light and scanning electron microscopy. The pollen grains of all the Helichrysum taxa are...

Published

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32(2): 295-301,2000

Pollen grains of 12 species and 3 varieties of the genus Ebenus L., (Leguminosae: subfamily papilionoideae have been examined using light microscopy (LM) and scanning electron microscopy (SEM). Pollen...

Published

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32(2): 303-310,2000

Cytological study of 8 Iranian species of Cousina section Cynaroideae (Asteraceae) was carried out. The basic chromosome number is x =12 and all of the studied plants were diploid. The western parts o...

Published

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32(2): 311-316,2000

The wild wheats of Iran are considered as original genetic sources that could be used for improvement of the cultivated wheat Triticum boeoticum ssp, thaoudar (syn. Triticum thaoudar) and its associat...

Published

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32(2): 317-322,2000

Genetic selection indices were studied for six productive traits in two varieties (S-9 and S-95) of Brassica juncea and four varieties (Canola-l,II,III and Canola standard) of B. napus. Correlation an...

Published

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32(2): 323-330,2000

A new species Foveostroma salvadorae on Salvadora oleoides is described, illustrated and compared with related taxa....

Published

Doi:
33(1): 1-6,2001

A field trial was conducted at NIA experimental farm, Tandojam, Pakistan to study the effect of different Rhizobial strains on the survival and growth of two Australian Acacias viz., Acacia ampliceps ...

Published

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33(1): 7-11,2001

Morphology of pollen grains of 13 species (3 of which are endemics in Turkey) belonging to nine sections of the genus Silene L., (Caryophyllaceae), collected from Northwest Anatolia in Turkey, was inv...

Published

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33(1): 13-25,2001

The genus Eryngium has about 230 species distributed in temperate and subtropical zones of Europe and America. In South America the genus is presented in Bolivia, Paraguay, Uruguay, Brazil and Argenti...

Published

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33(1): 27-34,2001

In vitro shoots of Solanum tuberosum cv 'Spunta' were subcultured on liquid MS media containing 0.0, 0.5...

Published

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33(1): 35-41,2001

The green fluorescent protein (GFP) from the jellyfish (Aequorea victoria) has become a vital reporter not only to identify and screen transformed organisms including bacteria, animals and plants but ...

Published

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33(1): 43-52,2001

A new taxon Scinaia moniliformis J. Agardh var. pakistanensis Afaq-Husain et Shameel is described. The vegetative, anatomical and reproductive structures of the Pakistani populations of this red alga ...

Published

Doi:
33(1): 53-68,2001

The taxonomy and distribution along with environmental parameters of seven species of the genus Gonyaulax Diesing (Harmful Algal Bloom organisms) including four new records from the Northeastern Arabi...

Published

Doi:
33(1): 69-75,2001

Using the Braun-Blanquet approach...

Published

Doi:
33(1): 77-91,2001

Development of early maturing and high yielding cultivars of peanut (Arachis hypogaea L.) is a major objective of groundnut breeding programme. To select the best combining parents, three high yieldin...

Published

Doi:
33(1): 93-99,2001

Pattern of distribution of Na+ and Cl- ions were examined in four moderately salt-tolerant Sorghum bicolor accessions (Double TX, Giza 114, INRA 353 and INRA 133) grown in salinized sand-culture. Anal...

Published

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33(1): 101-107,2001

A survey of weed communities was carried out in wheat fields of district Sukkur during 1999-2000. Forty-five weed species belonging to 16 angiospermic families are reported from the study area. Five w...

Published

Doi:
33(1): 109-115,2001

Effect of different salts viz., sea salt, NaCl , CaCl2, NaNO3, MgSO4, MgCl2 and KCl was studied on in vitro growth of Fusarium solani by food poison method. Growth of F. solani was enhanced as compare...

Published

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33(2): 117-124,2001

A protocol was established for isolation of sugarcane protoplasts, cell wall regeneration and cell division. Protoplast were isolated from cell suspension initiated from fresh leaf calli and produced ...

Published

Doi:
33(2): 125-132,2001

Quantitative, qualitative and multi-state morphological characters on 350 herbarium specimens from 35 Iranian populations of Hordeum murinum s.l. were examined. Based on the results of this study, the...

Published

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33(2): 133-141,2001

The seed characters of 10 species of Veronica in Iran are described. Six distinct types based on seed features such as shape, surface ornamentation and cell shape are distinguished. A diagnostic key f...

Published

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33(2): 143-152,2001

Through selecting new epitypes for incomplete type material of both A. cryptocarpos and A. rechingeri the systematic position of Astragalus cryptocarpos is clarified. It was confirmed that the latter ...

Published

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33(2): 153-155,2001

This study was carried out during the field trips for Turkey's endemic plant seeds collection project where 48 taxa presented in this study were interesting in terms of being known from the type-gathe...

Published

Doi:
33(2): 157-166,2001

Karyotype structure of two Iris L., species viz., Iris galatica Siehe and Iris kerneriana Ascherson & Sint ex Baker collected from Central Black Sea Region of Turkey have been analysed. Chromosome num...

Published

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33(2): 167-171,2001

A comparative study of total seed storage protein was carried out by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS-PAGE) to characterize oilseed mustard [Brassica juncea (L.) Czern. &...

Published

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33(2): 173-179,2001

Inheritance of three isozymes i.e., Leucine aminopeptidase-1, Phosphoglucoisomerase-1, and Phosphoglucomutase-2 in lentil was investigated. The plants were grown in greenhouse and the isozyme analysis...

Published

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33(2): 181-186,2001

Twelve genotypes of mungbean (No. 7-2, NCM 201, NCM 209, No. 1, NCM 205, AEM 6/20, NM 18, AEM 30/20, NM 93, NM 90, NM 121-25, M 20-24) were evaluated for stability of grain yield under seven diverse e...

Published

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33(2): 187-190,2001

Ten promising genotypes of groundnut were evaluated for their adaptiveness and stability performance at eight different locations during 1997. The G x E interaction was highly significant. The regress...

Published

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33(2): 191-196,2001

Experiments were conducted to determine the level of ABA, K+ and Ca2+ mineral content and mannitol in the leaves of two lines of wheat (Triticum aestivum L.) under field condition in order to find any...

Published

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33(2): 197-202,2001

Plant transformation is now a routine practice in many laboratories around the world. However it has been observed that sometimes the introduced gene becomes inactive. This inactivation could be rever...

Published

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33(2): 203-209,2001

Thirty four Citrus cultivars were studied for nucellar embryogenesis and for the extent of polyembryony per seed. Ovule weight had no correlation with the number of nucellar embryos. Also seed weight ...

Published

Doi:
33(2): 211-215,2001

A survey of betelvine fields in Karachi and Thatta districts of Sindh and Hub area of Balochistan was conducted during 1996 to 1999 where 38 funfal species belonging to 25 genera were isolated from ro...

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33(2): 217-219,2001

Dr. Abdul Hafiz , an eminent agricultural scientist died of heart attack in Karachi on April 8...

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33(3): 221-222,2001

Pollen morphology of 6 species belonging to a single genus Polygala of the family Polygalaceae has been investigated using light microscope and scanning microscope. It is a stenopalynous in nature. Po...

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33(3): 223-227,2001

A new species of Cytostagonospora yousufii Abbas, Sutton & Ghaffar is described, illustrated and compared with 4 species of Cytostagonospora....

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33(3): 229-232,2001

Somatic hybridization studies were performed using leaf mesophyll as well as homogeneous cell suspension-derived protoplasts. The optimum results were achieved when leaf mesophyll protoplasts from cv....

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33(3): 233-238,2001

Eighty eight genotypes of Vigna mungo (L.) Hepper selected on the basis of source/origin were evaluated for agronomic traits and analyzed on the basis of three geographic parameters i.e., provinces, a...

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33(3): 239-249,2001

Pea germplasm consisting of 69 pure-lines from diverse origin was evaluated under screen-house and field conditions for 2 years for their resistance against powdery mildew and yield potential. The gen...

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33(3): 251-255,2001

Somaclonal variation is one of the possible sources of variation in plant breeding. To evaluate the usefulness of somaclonal variation for creating variation in some Iranian cultivars of wheat, change...

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33(3): 257-266,2001

Results of the studies on olive trees from four regions of Iran (Roudbar, Gilvan, Gorgan, and Zanjan) indicate that soluble protein content as well as the activity of peroxidase and polyphenoloxidase ...

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33(3): 267-277,2001

Water relations of four guar genotypes viz., S-807, Esser, Brooks and S-1183 under different water regimes at pre-flowering, post-flowering and terminal drought were studied in cemented tanks under na...

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33(3): 279-287,2001

Maximum plant height and spread were observed in Central Leader System of training in Double Red Lebanon cultivar of apple. Maximum fruit size index (83.00 mm), fruit weight (259.20 gm), number of fru...

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33(3): 289-292,2001

Litter fall and nutrient return in a deciduous Quercus cerris L. var. cerris forest which constitutes the "étage supra-mediterranéen pré-pontique" vegetation layer in the Central Black Sea Region o...

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33(3): 293-303,2001

The seasonal variation of a seed bank was studied along an inundation gradient in a coastal marsh community dominated by Arthrocnemum macrostachyum (Moric.) C. Koch (Syn: Arthrocnemum indicum (Willd.)...

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33(3): 305-314,2001

Eight new species of Verbascum L., from Saudi Arabia viz., Verbascum abyadicum F.M. AI-Hemaid, V asiricum F.M. AI-Hemajd, V chaudharyanum F.M. AI-Hemaid, V hema-figranum F.M. AI-Hemaid, V medinecum F....

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33(4): 315-328,2001

The pollen morphology of 45 species...

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33(4): 329-355,2001

Seventeen species of green, brown and red seaweeds collected from Manora, Buleji and Paradise Point near Karachi coast of Pakistan were analyzed for their elemental composition with the help of Perkin...

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33(4): 357-363,2001

Cystotrichiopsis gen.nov., and C. salvadorae sp.nov., on Salvadora oleoides is described, illustrated and compared with related taxa....

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33(4): 365-368,2001

Spore germination of Uromyces striatus, the cause of leaf rust on lucerne was significantly reduced on tap water agar (TWA) pieces containing different doses (1...

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33(4): 369-371,2001