Pollen morphology of 50 species representing 27 genera of the family Umbelliferae from Pakistan has been examined by light and scanning electron microscope. Umbelliferae is a stenopalynous family. Pol...

The pollen morphology of 25 species belonging to 23 genera distributed in 13 families have been examined by light microscopy and scanning electron microscope. Generally pollen grains occur singly and ...

Pollen morphology of 7 species of Chrysanthemum has been examined from Pakistan by light and scanning electron microscopy. The pollen grains in all the species are trizonocolporate. Pollen shape in po...

Two new species viz., Gagea bashoensis Ali and G. rubinae Ali are being described from Pakistan. ...

The importance of various characters for the taxonomic discrimination of taxa in the genus Gagea is discussed. Four new species of the genus Gagea from Western Himalayas and the adjoining regions are ...

Seven new species of the genus Gagea are described from Western Himalayas and adjoining regions. Four species (G. punjabica Levichev & Ali, G. quettica Levichev & Ali, G. wallichii Levichev & Ali, G. ...

Acacia nilotica complex comprises 9 subspecies of which 5 occur in Pakistan. Hybridization among subspecies is reported in some previous works on the basis of morphological and chemical data. The pres...

In this study, the morphology of Silene sipylea (L.) O. Schwarz, S. fabaria (L.) Sibth. & Sm., S. tenuiflora Guss., S. lydia Boiss. distributed in West Anatolia (B1, C1, C2) and S. discolor Sibth.& Sm...

A study was conducted to examine the effect of pH on the uptake of NH4+ and NO3- by the cell suspension culture of Vigna radiata. Uptake of NH4+ was faster than NO3- under all conditions of the medium...

Polyploid watermelon has poor germination and low seedling vigor mainly due to thick seedcoat and seedcoat adherence to emerged cotyledons. Seed treatments nicking at radicle end and soaking in distil...

Seed protein profiles of 54 accessions belonging to 11 species of 2 different genera (Solanum and Capsicum) of the family Solanaceae were analyzed by SDS-PAGE. Intra and inter specific relationship wa...

The electrophoretic patterns of 6 enzyme systems viz., lactate dehydrogenase (LDH), malate dehydrogenase (MDH), esterase (EST), superoxide dismutase (SOD), peroxidase (PRX) and polyphenoloxidase (PPO)...

Thirty-three soybean genotypes were evaluated for days to flowering, days to maturity, pod length, number of branches, number of unfilled, filled pods and total pods...

The present study was designed to investigate the effect of Azadirechta indica (Neem) leaf extract on restraint-induced behavioral deficits and changes in serotonin metabolism in rats. Exposure to a s...

Both the root and shoot extracts of the three allelopathic grasses viz., Dicanthium annulatum Stapf., Cenchrus pennisetiformis Hochest and Sorghum halepense Pers., reduced germination and suppressed e...

Codium repens Vickers is reported herewith for the first time from Pakistan. It is very rare in occurrence and prostrate in habit. ...

Eight species of the coenocytic green algae belonging to the genera Cladophora, Pithophora, Rhizoclonium and Sphaeroplea were collected from various freshwater habitats in Kasur, Lahore, Sheikhupura a...

Ten species of the diatom genus Cymbella C. A. Agardh (Cymbellaceae, Bacillariales, Bacillariophyceae) were collected from various freshwater habitats at Kasur, Lahore and Sialkot districts of the Pun...

Using standard disk diffusion method the antibacterial activity of aqueous infusion, decoction and essential oil of Cinnamomum cassia (Cinnamon bark) were investigated against 178 bacterial strains be...

The allelopathic potential of aerial parts of chickpea (Cicer arietinum L.) was investigated in vitro for their antifungal properties as natural alternatives of plant disease control. Drechslera tetra...

Standard blotter and Deep Freezing methods were used to study the seed-borne mycoflora of 19 samples of wheat...

Eight different isolates of Xanthomonas oryzae pv. oryzae (Xoo) procured from International Rice Research Institute (IRRI) Manila, Philippine were subjected to pathogencity test to check virulence on ...

During previous years blight diseases of wheat were considered to be of minor importance in Pakistan. However in Southern province of Sindh, where winter temperatures are warmer, Helminthosporium leaf...

The study was conducted during the winter season of 2003 to assess the effect of factors like inoculum potential, age of the seedling and soil type on the incidence of collar rot disease in chickpea c...

The potential impact of different dosages of widely used locally available nursery fertilizers viz., flourish, frutan, NPK, urea and fishmeal were used to examine their effect in the suppression of ro...