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    • Department of Genetics
    • Doctoral Degrees (Genetics)
    • Browsing Doctoral Degrees (Genetics) by Title
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    Browsing Doctoral Degrees (Genetics) by Title

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    Now showing items 1-20 of 66

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        AFLP and PCR markers for the Ht1, Ht2, Ht3 and Htn1 resistance genes in maize 

        Van Staden, Derick (Stellenbosch : Stellenbosch University, 2001-12)
        ENGLISH ABSTRACT: Maize is undoubtedly South Africa's most important field crop. The identification of markers and genes for traits of interest is important to sustain the improvement of maize cultivation. Northern corn ...
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        Analysis of aspects of starch metabolism in Physcomitrella patens 

        Mdodana, Ntombizanele Thobela (Stellenbosch : Stellenbosch University, 2021-12)
        ENGLISH ABSTRACT: Starch is an important polysaccharide produced by plants and is widely used in industry mainly as a food thickener, but also in other important processes, such as the development of textiles and p aper ...
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        The analysis of starch degradation in Solanaceae species 

        Samodien, Mugammad Ebrahim (Stellenbosch : Stellenbosch University, 2014-04)
        ENGLISH ABSTRACT: This project involved the analysis of genes in Solanaceae species that have previously been shown to be involved in the phosphorylation of starch or its subsequent dephosphorylation. Both these processes ...
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        Analysis of the molecular and physiological effects following treatment with BC204 in Arabidopsis thaliana and Solanum lycopersicum 

        Loubser, Johannes (Stellenbosch : Stellenbosch University, 2020-12)
        ENGLISH ABSTRACT: Plant biostimulants have been earmarked as one of the pivotal role players in the next much-needed agricultural revolution. Plant biostimulants are mostly from natural sources and they do not directly ...
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        Characterisation of sucrose synthase activity in the sugarcane culm 

        Schafer, Wolfgang Erich (Stellenbosch : University of Stellenbosch, 2004-04)
        ENGLISH ABSTRACT: This study had three main goals: 1. to investigate the occurrence on the protein level of sucrose synthase (SuSy) isoforms in sugarcane sink tissue, 2. to determine the kinetic properties of these ...
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        Characterization of citrus tristeza virus variants and their influence on symptom expression in grapefruit 

        Cook, Glynnis (Stellenbosch : Stellenbosch University, 2019-04)
        ENGLISH ABSTRACT: Citrus tristeza virus (CTV), a member of the family Closteroviridae, was responsible for large scale destruction of citrus, especially in the Americas, due to tristeza disease and necessitated a production ...
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        Characterization of the Sucrose Synthase and class II Trehalose 6-Phosphate Synthase gene families in the moss Physcomitrella patens. 

        Wiese, Anna Johanna (Stellenbosch : Stellenbosch University, 2020-12)
        ENGLISH ABSTRACT: Plant sugars have dual functionality, in that they play a role in primary metabolism and partake in signal transduction pathways. As it relates to their signaling function, they relay information to the ...
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        Defining the QTL for chill requirement during dormancy and dormancy release in apple (Malus x domestica Borkh.). 

        Cornelissen, Stephanie (Stellenbosch : Stellenbosch University, 2021-12)
        ENGLISH ABSTRACT: Dormancy is a physiological stage that all deciduous fruit trees experience during winter. It consists of three sub stages, para-, endo- and ecodormancy. During the endodormic stage, apple trees need ...
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        The development and characterisation of grapevine virus-based expression vectors 

        Du Preez, Jacques (Stellenbosch : University of Stellenbosch, 2010-03)
        ENGLISH ABSTRACT: Grapevine (Vitis vinifera L.) is a very important agricultural commodity that needs to be protected. To achieve this several in vivo tools are needed for the study of this crop and the pathogens that ...
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        Development of a transformation system for sugarcane (Saccharum spp. hybrids) in South Africa using herbicide resistance as a model system 

        Snyman, Sandra Jane (Stellenbosch : Stellenbosch University, 2002-12)
        ENGLISH ABSTRACT: Please refer to fulltext for abstract
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        Drought tolerance studies in spring wheat cultivars produced in South Africa 

        Strauss, Johannes Abraham (Stellenbosch : Stellenbosch University, 1999-12)
        ENGLISH SUMMARY: Drought is considered, worldwide, to be the most important factor limiting crop yields. Spring wheat produced in the Western Cape region of South Africa is also affected by water stress. The onset of ...
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        Elucidating functional interactions between the Russian wheat aphid (D. noxia Kurjumov) and bread wheat (Triticum aestivum L.) 

        Schultz, Thia (Stellenbosch : Stellenbosch University, 2014-12)
        ENGLISH ABSTRACT: The Russian wheat aphid (Diuraphis noxia, Kurdj., Hemipetra, Aphididae, RWA) is an important pest of wheat, causing large-scale damage and yield losses. Various studies have been done at a transcriptomics ...
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        The evolutionary history of the genus Seriola and the phylogeography and genetic diversity of S. lalandi (yellowtail) across its distribution range 

        Swart, Belinda Louisa (Stellenbosch : Stellenbosch University, 2014-04)
        ENGLISH ABSTRACT: The genus Seriola includes several important commercial fish species, yet the phylogenetic relationships between species have not been fully investigated to date. This study reports the first molecular ...
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        Functional characterization of a putative signalling peptide TAXIMIN in the model plant Arabidopsis thaliana and a medicinal plant Sutherlandia frutescens L. R. Br. 

        Colling, Janine (Stellenbosch : Stellenbosch University, 2016-03)
        ENGLISH ABSTRACT: Secondary metabolite production in plants assists with protection against predators and attraction of pollinators. Manipulation of secondary metabolite pathways towards increased production of compounds ...
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        Functional roles of raffinose family oligosaccharides: Arabidopsis case studies in seed physiology, biotic stress and novel carbohydrate engineering 

        Loedolff, Bianke (Stellenbosch : Stellenbosch University, 2015-12)
        ENGLISH ABSTRACT: The raffinose family of oligosaccharides (RFOs) are α1,6-galactosyl extensions of sucrose (Suc-Galn) unique to the plant kingdom. Their biosynthesis is mediated via α1,6-galactosyltransferases which ...
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        Gene discovery and expression analysis in sugarcane leaf and culm 

        Carson, Deborah L. (Deborah Lee) (Stellenbosch : Stellenbosch University, 2002-12)
        ENGLISH ABSTRACT: Sugarcane (Saccharum spp. hybrids) is a commercial crop plant capable of storing up to 20% sucrose on a fresh mass basis in the culm. Knowledge about gene expression during sugarcane growth and maturation ...
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        A genetic analysis of the occurrence of pulmonary haemorrhage in racing thoroughbreds in Southern Africa 

        Weideman, Heinrich (Stellenbosch : Stellenbosch University, 2004-12)
        ENGLISH ABSTRACT: This study was carried out to investigate whether environmental and/or genetic factors had an effect on the incidence of epistaxis related to exercise-induced pulmonary haemorrhage among racehorses in ...
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        Genetic diversity and spatial patterns of distribution of Citrus greening disease and its vectors in East Africa 

        Ajene, Inusa Jacob (Stellenbosch : Stellenbosch University, 2020-12)
        ENGLISH ABSTRACT: Citrus spp is an important cash crop supporting millions of households in East Africa. However, the crop faces challenges of infestation by pests and diseases that lead to substantial economic loss. ...
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        Genetic enhancement of pearl millet 

        O'Kennedy, Martha Margaretha (Stellenbosch : Stellenbosch University, 2004-03)
        ENGLISH ABSTRACT: The aim of this study was toe stablish a reliable protocol for the production 0 f transgenic pearl millet as this will open new avenues for augmenting the gene pool of this crop. This was achieved by ...
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        Genetic improvement of growth rate in rainbow trout (Oncorhynchus mykiss) 

        Brink, Daniel (Stellenbosch : University of Stellenbosch, 2004-12)
        ENGLISH ABSTRACT: A breeding programme aimed at the genetic improvement of growth rate of rainbow trout was initiated in 1988 by the Department of Genetics, University of Stellenbosch, in collaboration with the local ...

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