Dr. Azra Quraishi an eminent tissue culturist, Chief Scientific Officer and Deputy Director General, Agriculture Biotechnology Institute, NARC/PARC, Islamabad died on 22nd November 2002 (16 Ramadan 1...

Pollen morphology of 3 species of the genus Oxalis L., (Oxalidaceae), from Pakistan has been examined by light and scanning electron microscope. Pollen grains usually radially symmetrical, isopolar or...

Pollen morphology of 7 species of the genus Alyssum belonging to the family Brassicaceae have been examined by light microscope. Pollen grains are usually isopolar; tricolpate with reticulate tectum. ...

Adventitious shoot bud differentiation occurred from the petiolar cut ends of leaf explants of Momordica dioica (Roxb.) Willd.. cultured on Murashige and Skoog medium supplemented with different conce...

Callus was induced from bulb pieces and in vitro formed shoot buds in Polianthus tuberosa Willd., on Murashige & Skoog's (MS) medium supplemented with BAP and 2,4-D. Maximum callus induction from bulb...

The present study describes the species diversity of cyanobacteria on a rocky shore at Buleji near Karachi. Species of cyanobacteria were recorded from the surface sediments (edaphic), rock surfaces (...

Forty marine bacterial isolates from Karachi coast were screened for hydrocarbon degradation. All the three solid hydrocarbons (biphenyl, naphthalene and phenanthrene) were degraded by 63% of the mari...

A first report of the coccolithophorid flora in the phytoplankton of the Istanbul Strait is presented in this paper. Samples were taken with a Nansen bottle at three depths (surface, -5 m, -10 m), on ...

During a survey of marine algae growing at Kilitbahir coast (Çanakkale Bosphorus, Sea of Marmara, Turkey), collection were made at the upper-infralittoral region in 1999. Out of 87 species belo...

The endosperm storage proteins of 127 wheat landraces collected from different parts of Pakistan were fractionated by SDS polyacrylamide gel electrophoresis (SDS-PAGE) to determine their high molecula...

One hundred and thirty eight local as well as exotic accessions of cowpea were characterized and evaluated under field conditions at 33o 42 N latitude and 73o 08 E longitude at an altitude of 540 masl...

Narrow embryonic leaves are characteristics of seedless cell lines. Narrow embryonic leaves are related to over 20 seed shapes and in small size seeds which have higher frequency of narrow embryonic l...

An experiment was conducted to study the comparative salt tolerance of 12 different strains of Bradyrhizobium japonicum (NIFTAL and USDA series) and strains isolated from locally grown soybean nodules...

Effect of salt stress on plant biomass production and some biochemical parameters of two soybean [Glycine max (L.) Merr.] genotypes were investigated under three NaCl salinity levels (control and 3.0,...

Morphological, anatomical and cytological characteristics of endemic Lilium ciliatum P.H. Davis (Liliaceae) were investigated. Colour of flower with a brown centre and finely spotted in upper part of ...

Polyphenoloxidase (PPO) and catalase activities in extracts of control and chickpea inoculated with Ascochyta rabiei were measured spectrophotometrically. A significant increase in PPO activity was ob...

History of Phyllosticta is traced and description of the genus is amended in the light of recent developments on conidiogenesis and appendage formation. A new species Phyllosticta sultanii and a new n...