Now showing items 1-5 of 5
Effects of nitrogen nutrition on salt stressed Nicotiana tabacum var. Samsum in vitro.
The responses of Nicotiana tabacum L. var. Samsun to alterations in the nitrogen (N) supply under saline conditions in vitro were monitored. The aim was to test the hypothesis that nitrate-nitrogen supplementation to ...
The responses of grasses to fire and bush clearing in the Hluhluwe Game Reserve.
Contemporary and historical studies of the flora of the Hluhluwe Game Reserve (HGR), have emphasised the woody component whilst little work has been performed on the herbaceous vegetation. This is particularly true with ...
The effects of sediment disturbance on the macrobenthos of the St. Lucia Narrows, Natal.
Estuarine studies worldwide have shown that sediment disturbance effects on the macrobenthos are reIated to the nature and scale of the disturbance. Decreased species densities, diversity and richness have been found where ...
The effect of sun and shade on the leaves of four coastal tree species.
Mimusops caffra, Euclea netetensis, Olea woodiana and Peddiea africana are tree species associated with different successional stages in a coastal dune forest. Saplings of these tree species were established in four different ...
Development of in vitro culture and gene transfer techniques in sugarcane (Saccharum species hybrids).
In vitro cell and tissue culture systems were developed for sugarcane in order to utilise current transformation techniques to introduce genes to South African sugarcane varieties, which would be difficult, if not ...