Now showing items 21-30 of 53
Adventitious rooting in stem cuttings of Eucalyptus grandis Hill ex Maid.
Adventitious rooting in stem cuttings of Eucalyptus grandis Hill ex Maid. was thought to be influenced by a putative inhibitor. In previous studies it has been usual to infer the presence of putative rooting inhibitors ...
The physiology of flowering with contributions by in vitro techniques.
Abstract cannot be copied from pdf document.
Transport and metabolism of 8(14C)t-Zeatin.
A review of the literature established that there were areas of cytokinin transport which needed further investigation, in order to determine the function and/or mode of action of cytokinins during certain stages of plant ...
Biological studies of bottlenose dolphins from Natal coastal waters.
The biology of bottlenose dolphins from the east coast of southern Africa is investigated. Births occur predominantly in summer, after a one year gestation period. Calves are born at a length of approximately 103 cm and ...
Aspects of the ecology and exploitation of the fishes of the Kosi Bay system, KwaZulu, South Africa.
ln this study the exploitation of the fish fauna of the Kosi estuarine system by man and natural predators is described and estimates made of the off-take and its species composition. The most important ...
Beef production from kikuyu and Italian ryegrass.
Four grazing trials to characterise cultivated pastures, in terms of beef production, were conducted in Bioclimate 3 of Natal. Dual purpose and British beef type cows were run on kikuyu at stocking rates ...
Ecological effects of fire in the montane grasslands of Natal.
Although controlled burning has been used to manage Highland Sourveld grasslands, little was known of its effects on the vegetation. This study examined the effects of past fire treatments on veld condition,species ...
The biology and systematic relationships of Crowned, Blackwinged and Lesser Blackwinged Plovers.
Plovers was compared with particular reference to breeding biology, feeding ecology and habitat preference. Crowned and Blackwinged Plovers coexisted in mixed flocks in grasslands which aided predator detect ion and ...
Physiological aspects of shoot growth regulation in juvenile and adult Citrus sinensis (L.) Osbeck.
As the requirements for more efficient and economical crop production emerge, so the need for a better understanding of plant growth and development is felt. It is especially the need to understand means by which man may ...
Soil loss and run-off in Umfolozi Game Reserve and the implications for game reserve management.
Two management blocks were set aside in Umfolozi Game Reserve (UGR) to compare different management approaches. In one, the non-cull block, a noninterventionist policy was followed and no large mammals ...