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...

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....

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...

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...

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...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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 ...

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...

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...

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 ...

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...

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...

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-...

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...

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

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...

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...