The effect of breeding system on the genotypic structure was studied in 3 Trifoilum species with contrasting breeding system. The two out- breeder’s populations were more variable genetically and mo...

Studies on the inheritance of six characters were carried out in a cross between exotic var. kabuli and local var. Pak 22 of mung bean having contrasting plant characteristics. Tolerance to mung bean ...

In studies with the linkage of the genes pr and pre, the gene pr was found to be located in chromosome 3 and pre in chromosome 4. Both the genes are responsible for the shortening of inflorescences le...

Six Hydrazine induced polygenic mutants in filed bean were isolated from M2 generation and their breeding behavior was studied in M3 generation by estimating genetic parameters for quantitative charac...

Effect of ABA and GA3 on sex expression of Cucumis sativus and Luffa cylindricawere were investigated under field conditions GA3 promoted male tendency in both the plants, ABA promoted male tendency i...

Seeds of Adansonia digitata contain appreciable quantities of sucrose, starch, proteins and lipidsas reserve food materials . The food reserves in the seeds decreased during the first two weeks of ger...

Nitrogenate activity associated with the roots of sugarcane (var. COL-54) was estimated from June 1983—April 1984. Maximum mean acetylene reducing activity (ARA) was observed in preincubated unwashe...

The anatomical characters of earlywood and latewood in three mature trees of Blue Pine were studied. Some of the features observed , do not appear to have been reported in the literature. These are :-...

Three major cell wall components i.e. lignin, holocellulose and alphacellulose were determined for earlywood (juvenile wood) and latewood (adultwood) among innerwood and outer wood and in different h...

Papaver somniferum L. seedlings produced a light green, soft and friable callus when cultured on 1/2 Murashige and Skoog (MS) medium containing 2, 4-D( 0.5 mg/1) and Kinetin (0.1mg/l) . After 2-3 sub...

Meristem tips of 0.4 mm excised form solanum tubaerosum cultivars cardinal and desiree having undergone thermotherapy at 34oC for 11-60 days regenerated into rooted plantlets. The effect of duration o...

A study on different seeding techniques of paddy was carried out in loamy and sandy loam soils during 1982 and 1983. The seeding techniques used were; manual transplanting of paddy seedling, broadcast...

A quantitative ecological survey was carried out at 17 locations near the road side on the Great Silk Road from Gilgit to Passu. Ephedra gerardiana was ecologically similar Artemisia scoparia while Ha...

Life form and leaf size spectra of four ecological diverse plant communities were studied by Raunkiaerian and quantitative ecological methods. The Raunkiaerian spectra were similar for all the commuin...

The latest subfamilial classification of the legumes is reviewed , and the genera of Pakistani legumesare arranged according to it. The tribal organization of the subfamilies is summarized and discuss...

A total of 22 species Androsace occurring in...

The internal and external features of the seeds of 23 species of the Hibisceae (Malvaceae) have been studied with the help of light and scanning electron microscopes. Seed structure and its relation t...

Inoculum density of Drechslera sorokiniana and Fusarium avenaceum on the incidence of wheat root rot disease on hard red winter wheat (Triticum aestivum) cv. ‘’Danne’’ were evaluated in the gl...

Water soluble diffusates of 15 vegetable seeds and 14 spices were tested against urediniospore...

Aquatic hyphomycetes which constitute a dominant mycoflora on decaying submerged plant debris have also been found to occur in terrestrial systems. Mycelial and conidial survival of aquatic hyphomycet...

Five strains of Frankia isolated from root nodules of Casuarina glausa collected from different localities of Islamabad were characterized by the occurrence of branched and septate hyphae bearing spon...

Eight red pepper cultivars were tested against bacterial leaf spot by spray inoculation with Xanthomonas campestris pv vesicatoria. Disease severity is high in pot experiments as compared to field. Cu...

Laminarine and alginic acid content of the brown...

Some algal filaments isolated during the study of plant microfossils related to Paleocene period from Sonda coal fields have been described. These filaments include Chaetomorpha sp., Ulothrix tenerrim...

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