Browsing by Title
Now showing items 5580-5599 of 11779
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In vitro culture of avocado : a model system for studying the biochemistry of fruit growth.
(2014-12-18)The avocado (Persea americana Mill.) is considered by many to be a horticultural problem. Cultivars in use today have several drawbacks associated with yield, disease susceptibility and fruit quality. Breeding programs ... -
In vitro generation of somaclonal variant plants of sugarcane (Saccharum spp. hybrids) for tolerance to toxins produced by Fusarium sacchari.
(2012)The fungus Fusarium sacchari (Butler) Gams causes stem rot in sugarcane especially in association with the stem borer Eldana saccharina Walker. Sugarcane plants tolerant to F. sacchari PNG40 were obtained by chemical ... -
In vitro polyploidization of selected indigenous plant species.
(2005)Many plant species indigenous to South Africa have ornamental, medicinal and horticultural value. Polyploidization is one technique that has been used to artificially produce superior genotypes, particularly in horticultural ... -
In vitro propagation of Dierama erectum.
(2009)Dierama is a genus of plants with a potential to be developed as ornamental plants. It falls under the Iridaceae family and comprises of 44 species. Dierama erectum Hilliard, an attractive species with horticultural potential ... -
In vitro propagation of enset (Ensete ventricosum (Welw.) Cheesman)
(2013-11-27)Enset (Ensete ventricosum) is an important food crop that is cultivated in Ethiopia. In vitro propagation: zygotic embryo culture, shoot tip culture, callus culture and somatic embryogenesis were investigated for this crop. ... -
In vitro propagation of eucalytpus clones using a temporary immersion bioreactor system (RITA)
(2003)Breeding and clonal programs in South African Forestry industry are designed to provide genetically superior trees to supply the forest product industry. Applied biotechnology, and in particular tissue culture, has been ... -
In vitro propagation of Scilla natalensis planch.
(1999)In South Africa, large quantities of Scilla natalensis are harvested from wild populations and sold as traditional medicine, which is reducing the density, distribution and genetic diversity of wild populations. The ... -
In vitro regeneration and secondary metabolites in cyrtanthus species.
(2013)Perennial geophytes form part of the diversified flora in southern Africa. The traditional medicinal system, integrates various plant components in the treatment of diverse ailments. In South Africa, bulbs are part of the ... -
In vitro studies and phytocompound analysis in Lessertia frutescens (Fabaceae)
(2011)The cancer bush (Lessertia frutescens L.) is an important leguminous perennial native to southern Africa and has been used for centuries in traditional medicine by the continent’s diverse cultural groups. Like many other ... -
In vitro techniques for the improvement of growth and secondary metabolite production in Eucomis autumnalis subspecies autumnalis.
(2014-10-31)The wide utilization and popularity of medicinal plants in African Traditional Medicine (ATM) has been recognized and attributed to the effectiveness, affordability and accessibility of these medicinal plants. However, the ... -
An in vivo study to determine the effects of Ochratoxin A and Sutherlandia frutescens in male Wistar rats.
(2009)Ochratoxin A (OTA), a nephrotoxic mycotoxin, is a contaminant of several agricultural food products consumed by animals and humans. Apart from renal toxicity, in particular renal tumours, OTA may also result in teratogenicity, ... -
An in-depth investigation of the experience of sexual assault and factors that determine non-adherence to post exposure prophylaxis (PEP) after sexual assault in a sample of raped women survivors attending a public health clinic in the Eastern Cape.
(2008)Prevention of HIV following sexual assault is an important aspect of rape care. This includes taking Post Exposure Prophylaxis for 28 days. The present study aimed to provide an in-depth understanding of social and ... -
An in-depth look at the positioning strategy of the University of Natal, Pietermaritzburg, based on scholar and student perceptions.
(2003)This research has been conducted in an attempt to aid the University of Natal, Pietermaritzburg, in being more market oriented in a market that, until recently, saw little need to market its institutions in the past. ... -
An in-depth study into the various factors contributing to the unexplained line faults on a large high voltage network.
(2003)The Eskom Transmission Network experiences an exceptionally high number of line faults, the cause of which, may not be correctly identified. This thesis analyses a number of all the possible factors responsible for causing ... -
In-field evaluation of irrigation system performance within the sugarcane industry of the south-east Lowveld in Zimbabwe.
(2007)The near collapse of the Zimbabwean sugarcane industry in 1991/1992 was concluded to be as a result of critical water shortages. This, combined with the uncertainty in the availability of water and a climate characterised ... -
In-situ upgrading of informal settlements : a case study of Barcelona 1 - Lamontville, Durban.
(2013-11-06)This study examines the case for in-situ upgrading of informal settlements. The housing delivery process as set out in the housing policy has been slow and, to an extent, qualification for subsidy has tended to exclude ... -
In-yer-face : the shocking Sarah Kane
(2008)Playwright, Sarah Kane emerged as a new voice in British writing in the early 1990s. Her work, recognized most notably for its shocking content, was the source of media hype, and rendered her work, with that of her peers, ... -
Incazelo yomlando wemvelo wempilo yehlathi Intimbankulu elisemkhadlwini was-Ogwini : kuphonswa inselele emasikweni esiZulu nakwezokungcebeleka = An exploration of the natural and socio-cultural history of Ntimbankulu Forest in the Ugu region : a contribution to Zulu culture and rural eco-tourism.
(2014-02-28)The study investigates ecotourism potential at Ntimbankulu forest, a remote area which is found at Ugu District Municipality. The essential elements of true ecotourism according to Ceballos-Lascurain, Drake, Boo, Brandon, ... -
The inception of cross-cultural dimensions in the ceramics of the late 1970s onwards, as reflected in the work of Maggie Mikula and her adherents.
(2004)In this dissertation the incorporation of cross-cultural imagery and its assimilation is focused on the work of Maggie Mikula, a ceramist from KwaZulu-Natal. Producing within the 1970's and 1980's. her work is investigated ... -
The incidence and distribution of ametropia in blacks in Umlazi.
(2013-10-31)Age, sex, race, heredity, environment and nutrition have been found to influence ametropia. In this study, the distribution of refractive errors has been investigated in relation to age, sex, race, education and near ...
