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Now showing items 231-239 of 239
Regulation of nitrate reductase during in vitro differentiation of nicotiana tabacum L. var. samsun.
(1993)
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 ...
The development of protocols for the diagnosis and micropropagation of cold-tolerant Eucalyptus cultivars.
(1996)
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 ...
Seasonal pharmacological and phytochemical properties of medicinal bulbs.
(2010)
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 ...
Production and physiological responses of Italian ryegrass and white clover grown in mono cultures and mixed stands.
(1993)
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 ...
Effects of nitrogen nutrition on salt stressed Nicotiana tabacum var. Samsum in vitro.
(1992)
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 ...
Ethnobotanical study of plants from Pondoland used against diarrhoea.
(2012)
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 ...
Bark in traditional healthcare in KwaZulu-Natal, South Africa : usage, authentication and sustainability.
(2002)
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 application of microsatellites to sugarcane parentage determination and varietal identification.
(2002)
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 ...
Ethnopharmacology and phytochemistry of some selected medicinal plants in KwaZulu Natal.
(2006)
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 ...