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...

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

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...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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

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...

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

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

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

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...

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...

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...