Now showing items 1-9 of 9
Towards improved livestock production off sweet grassveld.
No abstract available.
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 ...
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 ...
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. ...
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. ...
An ecological investigation of the insects associated with exposed carcasses in the northern Kruger National Park : a study of populations and communities.
Extensive seasonal collections along with absolute counts of all the arthropods attracted to medium- and large mammal carcasses resulted in the most complete record of carrion-fauna in Africa to date. The abundance of ...
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 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 ...
The Holothurian fauna of Southern Africa.
The last thorough revision of the southern African holothurian fauna appeared in 1948 and since then there have been numerous additions to the fauna . A comprehensive revision of the fauna is here undertaken on the basis ...