The ultrastructure of root nodules of the Asian alder , alnus nitida , reveals that the developmental stages of the endophyte (frankia sp.) inside the nodules resemble with other actinorhize of Aln...

Changes in isozymes of shikimate dehydrogenase and peroxidase were studied during the induction and formation of antheridium in anemia phyllitidis . upto six isozymic forms of shikimate dehydrog...

In vitro studies on the inhibition of L- malate and L-glummate dehydrogenasea by zinc revealed that the two enzymes from both tolerant and non tolerant clones were equally sensitive to ImM zinc. No e...

Changes in dry matter composition and nucleic acid content of a wheat leaves after increased both in rust infected and fungicide-treated leaves. Fungicidal treatment had little effect on dry weight ba...

holocellulose , alphacellulose and lignin contents of four populous species viz, P. ciliate wall. Ex. Royle P. deltoids marsh, P. euphratica oliver and P. eur-americana guinder were investigated fro...

Suaeda fruticosa and desmostachya bipinnata , tolerating salinity , were the predominant halophytes in salinw area of Peshawar district . suaeda fruticosa , desmostachya bipinnata, cyperus laevigat...

Fossil silicified gymnosperm wood is described here as a Araucarioxylon species from manchhar formation exposed at ranikot fort area of sind , Pakistan....

A petrified fossil wood collected from the tertiary succession of sind, Pakistan in this paper . on the basis of...

During may-november , 1978, atmospheric pollen grains of the families gramineae , cyperaceae, chenopodiaceae, boraginaceae, tamaricaceae, scrophulariaceae, fabaceae , solanaceae, primulaceae, cappari...

Twenty genera and 49 species of fresh water blue-green algae belonging to chroacoccacles and nostocales were identified from ponds. Ditches and wet soil of Karachi . the order nostocales with 12 ge...

Algal flora of hanna-urak valley, near quetta , Baluchistan comprised of 39 genera and 89 species distributed in cyanophyceae (17 spp.), chlorophyceae (31 spp)charophyceae (1 sp) , xanthophyceae (1 s...

Nitzschia angustata var. himayatii anjum and hussain and selanastrum faridii anjum and hussain collected from polluted ponds have een described from Peshawar valley, Pakistan....

During th study of algal flora from paddy fields of kaira district , Gujarat. The authors collected 15 taxa of the genus anabaena bory fom three loaclities , viz, navagum , matar and limbasi . well...

Two semidwarf induced mutants , DM-16-5-1 and DM-10704 of a tall rice cultivar basmati 370 , were...