Acacia nilotica complex is represented by five subspecies in W. Pakistan, including a new subspecies, A. nilotica ssp. hemispherica Ali and Faruqi, a new combination, A. nilotica ssp. cupressifo...

Causes of the formation of a high frequency of prototrophs in inter allelic crosses of three tryptophan-1 mutants and one tryptophan-3 mutant have been investigated. The high frequency of prototrophs ...

In this paper the planktonic species of fifteen genera belonging to Chloro- phveeae have been described and illustrated with the addition of a new...

This paper deals with the study of white spored Agarics of Dacca, namely, 3 species of Lepiota, one species of Panus and one species of Pleurotus. All these species including the genus Panus have been...

Inheritance of yield and its associated characters were studied in two varietal crosses involving three varieties of Brassica campestris L. Heritahility estimates ranged from 81 per cent for seed yiel...

A preliminary survey of Aspergillus species from Karachi was undertaken. The sources from which these were isolated consist of soil, air, spoiled fruits and leather products. Malt extract agar and Cza...