Now showing items 11-20 of 91
Cryopreservation of Pinus patula Scheide et Deppe embryogenic tissue.
Embryogenic tissue of Pinus patula Scheide et Deppe was initiated from immature green female cones during the months of November 1996 to February 1997 and December 1997 to January 1998. Tissue was maintained on MSG3 ...
Prostaglandin-synthesis inhibitory activity from the leaves of Siphonochilus aethiopicus used in the treatment of dysmenorrhoea.
Plants used by southern African traditional healers for the treatment of menstrual pains were screened for prostaglandin-synthesis inhibitors and the ability to reduce isolated uterine muscle contraction using the ...
Micropropagation of date palm (Phoenix dactylifera L.) and papaya (Carica papaya L.)
Date palms (Phoenix dactylifera L.) and papayas (carica papaya L.) are two commercially important plantation crops. Their economic potential in South Africa and worldwide is increasing. However, due to disease, pests and ...
Regeneration and biotransformation of some members of the Cucurbitaceae.
Five cultivars, all belonging to the family Cucurbitaceae, have been tested for the ability to regenerate shoots or somatic embryos from cotyledonary explants. The influence of several combinations of growth regulators ...
Proline biosynthesis in transgenic soybean plants.
Plants have evolved numerous strategies for the adaptation to drought. Although many investigations reported on the potential value of proline accumulation during environmental stress, it is still unknown whether or not a ...
Resource quantification, use and sustainable management of coastal forests in the eastern Cape province.
Indigenous forests of South Africa are few, small in size and highly fragmented, yet they face intense exploitation particularly in the rural areas. Management of these forests is challenging. High rural dependency on ...
Anti-inflammatory and anti-bacterial activity of South African Erythrina species.
An investigation was undertaken to determine whether Erythrina species indigenous to South Africa contained the same type of compounds as Erythrina species not found in South Africa and to determine whether they displayed ...
Studies on the primary phloem of Gomphocarpus physocarpus.
Penetration of the stems and leaves of Gomphocnrpus physocarpus by the aphid, Aphis nerii was studied with light and phase microscopes. Penetration of the epidermis and ground tissue was largely intercellular, that ...
The reproductive biology, natural enemies and biological control of Delairea odorata Lem.
Delairea odorata Lem., an asteraceous perennial vine indigenous to southern Africa, has become naturalised and invasive in many subtropical regions including California, South Australia and Hawaii. Biological control ...
'n Plantekologiese opname van Boschberg en sy omringende gebiede met spesiale verwysing na die weidingsfaktor.
No abstract available.