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 ...

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...

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...

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 ...

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...

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...

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:...

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...

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...

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...

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...

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 ...

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 ...

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...

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, ...

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...

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...

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...

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...

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...

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...

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...