SYEDA SALEHA TAHIR; PETER S. ASHTON(Karachi: Pakistan Botanical Society, 1989-06-20)
The cladistic relationship among 34 species of the genus Calandrinia H.B. et. K. (Portulacaceae), en¬demic to Australia were analysed for 22 binary attributes, by using "PHYSYS" computer program. The driteria used to assign ...
QURESHI, QAISER; S. SHAHID SHAUKAT(Karachi: Pakistan Botanical Society, 1989-06-19)
A palynological study of 9 species of the genus Arnebia from Pakistan was carried out. The pollen were characerized by having two endoapertures per ectoaperture and a well developed costae with rectangular to constructed ...
In Antirrhinum majus the pal-rec-low-o is a repressed state of the pallida-recurrens allele. In heterozy¬gous condition, especially with pal-tub pal-tub tester, its mutation frequency increases from few tiny spots to very ...
Regenerating seedlings from 60 mature stands on Juniper track in Baluchistan ranged from zero to 219 ha-' with a mean of 52 ha-'. Seedling density and basal area (P < .001) and tree basal area and seedling density (P < ...
D. KHAN; RAFIQ AHMAD; SHOAIB ISMAIL(Karachi: Pakistan Botanical Society, 1989-06-13)
Herbaceous communities that emerge on the Pakistan sea coast during monsoon have high percentage of therophytes followed by chamaephytes. Besides, dominant component of grasses, legumes were invariably present in all the ...
Seasonal histochemical localization of starch, lipids, proteins, tannins and crystals in fusiform and ray initials and their derivatives of Holoptelea integrifolia and Mangifera indica was carried out. The seasonal changes ...