Now showing items 71-80 of 92
Mosquitocidal activity against Anopheles arabiensis of plants used as mosquito repellents in South Africa.
Ten plant species that are used as mosquito repellent in South Africa, Aloe ferox (leaves), Atalaya alata (leaves), Balanites maughamii (bark), Clausena anisata (leaves), Croton menyaarthii (leaves), Lippia javanica (leaves), ...
In vitro culture and genetic transformation of selected ancestral and commercial sugarcane germplasm.
Sugarcane is an economically important crop and its high demand has necessitated the use of biotechnology methods to produce and accelerate the production of desirable genotypes. One such method is genetic transformation. ...
A taxonomic revision of the tribe Desmodieae (Leguminosae - Papilionoideae)
The tribe Desmodieae has a pantropical distribution and is one of the most advanced tribes in the subfamily Papilionoideae. Despite this fact, the tribe was already present in the fossil record of the early Tertiary and ...
Cape elements on high-altitude corridors and edaphic islands.
Common to the temperate floras throughout sub-Saharan Africa is a group of taxa with strong ties to the Cape Floristic Region (CFR) (≈ Cape elements). Their distribution is limited to the eastern escarpment of Africa (e.g. ...
Do herbivores facilitate seed germination and seedling recruitment of woody plants?.
Woody plant encroachment is a phenomenon whereby trees and shrubs invade grasslands or increase in an already wooded area, resulting in lower yields of herbaceous plants and a reduction in the carrying capacity of rangelands. ...
A taxonomic review of the Natal members of the genus Oxalis L.
No abstract available.
The role of meta-topolins on the physiology of micropropagated 'Williams' bananas (Musa spp. AAA)
Banana production ranks fifth behind cereals as a food crop and has potential, along with other major crops, to feed the world's increasing population. Globally, continuous efforts and techniques including the use of plant ...
South African medicinal orchids : a pharmacological and phytochemical evaluation.
The Orchidaceae makes up the largest and most diverse family of flowering plants. Orchids are popular, often expensive ornamentals, with a broad range of ethnobotanical applications. There is very limited documented ...
Pharmacological evaluation of medicinal plants used by Venda people against venereal and related diseases.
Venereal diseases (VDs) are infections that are mainly transmitted through sexual intercourse and amongst these are gonorrhoea, syphilis, chlamydia and trichomoniasis. Gonorrhoea is the most commonly known VD and the widest ...
Biological nitrogen fixation (acetylene reduction) associated with blue-green algal communities in the Mgeni estuary mangrove swamp.
Nitrogen fixation of blue-green algae associated with Avicennia marina (Forssk.) Vierh. pneumatophores and wet and dry surface sediments were investigated in the Mgeni Estuary mangrove swamp by means of the acetylene reduction ...