Crossing experiments between early flowering and late flowering lines were conducted in the green- house. For this purpose, 10 Early and 10 Late plants were divided into two sets (each set consisting ...

Qualitative and quantitative measurements of the activity of peroxidase was carried out in the regenerating and non- regenerating parts of Taraxacum officinale Web., root cuttings. High peroxidase act...

Effect of sodium ion concentration on potassium dependent pyruvic kinase reaction was investigated in glycophytic (Beta vulgaris) and halophytic (Beta maritima) plants. It was found that synthesis of ...

The effect of IAA, GA and Kinetin on cell division in the cambial zone of Thuja orientalis L. was studied. IAA was more effective than either GA or Kinetin when used alone. Interaction of growth subst...

Xylem differentiation was observed as a response to IAA alone, interaction of IAA and GA and combined effect of IAA, GA and Kinetin. There was no significant difference in the amount of xylem differen...

Soil samples were collected at surface and subsurface levels from several sites of occurrence of Capparis decidua (Forsk.) Edgew. The community associates and community dominants of C. decidua were re...

The present paper deals with a study of eleven species of Peridinium from inshore waters of Karachi. All the species are first reports from Pakistan’s coastal area. Peridinium truncatum is recorded ...

The morphology and development of eight species of chlorococcales comprising of 4 genera viz, Chlorella, Chloeococcum, Monoraphidium and Scened esmus is described. This survey of plank tonic algae...

Ectendomycorrhizae of the Pakistan Ericales viz., Rhododendron lepidotum Wall, ex D. Don., R. afghanicum Aitch. & Herasl., Gaultheria trichophylla Royle., Cassiop e fastigiata D. Don., Pyrola rotundif...

No abstract...

Bacterial root nodules in Zygophyllaceae were re'ported from sandy soils of Egypt by Sabet (1946) and Mostafa & Mahmoud (1951). Allen & Allen (1950) did not find any endophyte in root nodules of Tribu...

With the increasing recognition of fungi as disease causing organisms of man and animal, surveys of soil fungi as sources of new antimycotic agents have been made (Brian, 1951; Broadbent, 1966; Blunt ...