The commencement of in vitro differentiation is mediated by genetic changes that result in selective expression of genes and a shift in metabolism. The role of nitrate reductase, a key enzyme of nitrate assimilation, during ...

In South Africa, Eucalyptus trees are used for many processed wood products (e.g. paper) and in the mining industry. Priorities in Eucalyptus breeding programmes include selection of varieties that are fast growers, insect ...

Medicinal bulbs form part of the diversified flora in South Africa. The plants are used extensively in South African traditional medicine in the treatment of various ailments. Due to the ever-increasing demand and the ...

The aim of this study was to test the hypothesis that ryegrass and clover, when grown under optimal conditions in mixed stands, interact in response to available light energy. with other resources non-limiting, pasture ...

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 ...

Diarrhoea and related diseases are the most common causes of death in children, especially from developing countries, killing about 1.5 million children under the age of five yearly. In South Africa, diarrhoea is the third ...

Healthcare in South Africa is polarised between western and traditional African systems of therapy. The latter is consulted by the majority of the population and therefore plays an integral role in the delivery of healthcare ...

The use of microsatellite markers has matured and become commonplace for plant genome analyses and is now poised for widespread practical application in sugarcane. Sequence Tagged Microsatellite Site (STMS) amplification ...

In this ethnopharmacological study to isolate, purify, identify and test crude and isolated compounds from organic and aqueous extracts from stem and leaves of Protorhus longifolia and Sclerocarya birrea, stem bark of ...