Now showing items 1-7 of 7
A study of the interrelationships of some Natal species of Senecio (Asteraceae/Compositae)
This dissertation presents the results of studies of the generic concept of Senecio and the subsequent testing of the hypothes is: that many of the species of Senecio in Natal are congeneric with Senecio L. sensu stricto. ...
Hormonal regulation of tuberization of cassava (Manihot esculenta Crantz)
The relative distribution of dry matter over shoot and tuberous roots is an important factor in determining the yield of cassava. Under sub-tropical conditions the dry matter distribution pattern is not always efficient. ...
The role of Potamogeton crispus L. in the Pongolo River floodplain ecosystem.
1. Aquatic macrophytes generally dominate energy and nutrient transfers in wetland ecosystems. They provide a diverse habitat for other organisms but each species or life-form, has a different role in determining ecosystem ...
The regeneration of Hypoxis rooperi S. Moore and production of hypoxoside in vitro.
Against the background of the increasing pharmaceutical importance of members of the genus Hypoxis L., methods for propagating these plants and for producing hypoxoside (the believed active compound found within Hypoxis ...
Cytokinins in Ecklonia maxima and the effect of seaweed concentrate on plant growth.
The endogenous cytokinin levels in the brown alga Ecklonia maxima (OSBECK) PAPENF., and the effect of applications of the seaweed concentrate (Kelpak 66) prepared from this alga, on the growth and yield of various ...
Towards improved livestock production off sweet grassveld.
No abstract available.
The influence of turbidity on fish distribution in Natal estuaries.
Studies In other parts of the world have proved that turbidity affects aquatic life and work In Australia and North America has shown that the distribution of some fish species may be determined by the level of turbidity ...