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...
26(1): 1-2,1994
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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...
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...
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...
26(1): 7-20,1994 -
SEEMA SULTAN, ANJUM PERVEEN AND M. QAISER
A PALYNOLOGICAL STUDY OF MONO COTS FROM KARACHI (EXCLUDING GRAMINEAE)
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...
26(1): 21-34,1994 -
ANJUM PERVEEN, TAHIR ALl AND M. QAISER
POLLINATION TYPES AND POLLEN CHARACTERS WITHIN FLORA OF KARACHI
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...
26(1): 35-56,1994 -
MAHBUBA KHANAM, ALASTAIR CULHAM, SYED Z.HUSAIN AND SYEDA S. TAHIR*
NUMERICAL ANALYSIS OF THE GENUS POGOSTEMON DESF. (LAMIACEAE)
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....
26(1): 57-62,1994 -
BUSHREEN JAHAN AND AHSAN A. VAHIDY
MEIOTIC CHROMOSOME CONFIGURATIONS IN RHOEO SPATHACEA (SWARTZ) STEARN
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...
26(1): 63-67,1994 -
SADIA K. BUTT AND AHSAN A. V AHIDY
CYTOTOXIC EFFECTS OF HERBICIDE RON STAR ON MERISTEMATIC CELLS OF ALLIUM CEPA L
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...
26(1): 69-74,1994 -
NAAZAR ALl AND J.C. WYNNE*
HERITABILITY ESTIMATES AND CORRELATION STUDIES OF EARLY MATURITY AND OTHER AGRONOMIC TRAITS IN TWO CROSSES OF PEANUT (ARACHIS HYPOGAEA L)
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...
26(1): 75-82,1994 -
RUBINA DAWAR, TAHIR ALl AND M. QAISER
HYBRIDIZATION IN SIDA OVATA COMPLEX II. EVIDENCE FROM BREEDING STUDIES
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...
26(1): 83-97,1994 -
R.M. SAEED IQBAL, M.B. CHAUDHRY, M.ASLAM AND A.A. BANDESHA
DEVELOPMENT OF A HIGH YIELDING COTTON MUTANT, NIAB-92 THROUGH THE USE OF INDUCED MUTATIONS
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...
26(1): 99-104,1994 -
ALl ZAFAR JAFRI* AND RAFIQ AHMAD
PLANT GROWTH AND IONIC DISTRIBUTION IN COTTON (GOSSYPIUM HIRSUTUM I..) UNDER SALINE ENVIRONMENT
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...
26(1): 105-114,1994 -
RAFIQ AHMAD AND SYED HASAN ZAHEER
RESPONSES OF SPOROBOLUS ARABICUS AND SESBANIA AEGYPTICA AS AFFECTED BY DENSITY, SALINITY OF IRRIGATION WATER AND INTER-CROPPING
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...
26(1): 115-125,1994 -
SHAZIA HUSAIN AND SHOAIB ISMAIL
EFFECT OF SALT AND WATER STRESS ON GROWTH AND BIOMASS PRODUCTION IN HELIANTHUS ANNUUS L.
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...
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,...
26(1): 139-147,1994 -
FARRUKH HUSSAIN, MOINUDDIN AHMED1, GHAZALA SHAHEEN2 AND MUHAKHARA JAN DURRANI2
PHYTOSOCIOLOGY OF THE VANISHING TROPICAL DECIDUOUS FOREST IN DISTRICT SWABI, PAKISTAN. II-ORDINATION
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...
26(1): 149-160,1994 -
S.M.E. SATTI AND M. LOPEZ
EFFECTS OF STORAGE TEMPERATURE ON GROWTH AND BULB FORMATION IN FOUR GARLIC (ALLIUM SATIVUM L) CULTIVARS
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...
26(1): 161-165,1994 -
RAHMAT ULLAH KHAN, H.H. MUENDEL* AND M. FAYYAZ CHAUDHRY
INFLUENCE OF TOPPING RAPESEED ON YIELD COM PONENTS AND OTHER AGRONOMIC CHARACTERS UNDER VARYING DATES OF PLANTING
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...
26(1): 167-171,1994 -
A.A. HAKRO, M. ASLAM AND A.K. KHANZADA
LEAF RUST DEVELOPMENT IN VARIOUS CULTIVARS OF WHEAT CARRYING DIFFERENT KNOWN GENES FOR RESISTANCE
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 ...
26(1): 173-176,1994 -
NASREEN SULTANA, A.K. KHANZADA AND A. GHAFFAR*
LOCATION OF MACROPHOMINA PHASEOLINAIN SEEDS OF PUMPKIN AND DEVELOPMENT OF CHARCOAL ROT DISEASE
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...
26(1): 177-180,1994 -
SHAHIDA PERVEEN, S. EHTESHAMUL-HAQUE* AND ABDUL GHAFFAR
BIOLOGICAL CONTROL OF SOILBORNE ROOT INFECTING FUNGI IN TOMATO AND OKRA
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...
26(1): 181-186,1994 -
E. O. SALAWU AND S. S. AFOLABI
THE REACTION AND THE INFLUENCE OF NITROGEN LEVELS ON INCIDENCE AND SEVERITY OF CURVULARIA LEAF SPOT DISEASE ON SUGARCANE (SACCHARUM OFFICINARUM L.)
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 ...
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...
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...
26(1): 197-199,1994