Masters Degrees (Genetics)
Recent Submissions
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Development of alternative diagnostic protocols for Candidatus Phytoplasma asteris and Coniella granati Sacc. (Syn. Pilidiella granati)
(Stellenbosch : Stellenbosch University, 2019-04)ENGLISH ABSTRACT: The Republic of South Africa (RSA) is an integral part of the global fruit exporting chain. Currently, South Africa is ranked eighth in the world in wine production, exporting 40% of all locally produced ... -
Overexpression of a tomato SlNAC2 gene in Nicotiana tabacum to determine its potential role in enhancing drought tolerance in plants
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: The ability of transcription factors to regulate stress-response gene expression within a plant makes them ideal targets as transgenes for improving stress tolerance. The NAC (NAM/ATAF/CUC) transcription ... -
Initiation of a pre-breeding effort for water stress resistance traits and yield improvement in wheat
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: Wheat (Triticum aestivum L.) is an important crop produced in South Africa and across the world. Water stress and rust diseases (Puccinia spp.) are common factors hindering wheat growth and development. ... -
Analysis of aspects of the starch metabolic pathway in lower plants
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: Starch is an important plant storage polysaccharide that has been demonstrated to have a major influence on plant growth. Transitory starch is synthesized in the leaves of plants during the day as a ... -
Comparing different siRNA delivery systems to target Diuraphis noxia
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: Diuraphis noxia, also known as the Russian wheat aphid, is a major pest of wheat. Breeding for resistance against D. noxia has been relatively successful in wheat as there has been many resistance genes ... -
Initiation of a wheat pre-breeding effort aimed at yield improvement using male-sterility marker assisted recurrent selection
(Stellenbosch : Stellenbosch University, 2018-12)ENGLISH ABSTRACT: Continous decline in South Africa’s wheat production over the past few decades has lead to a corresponding rise in reliance on wheat imports to satisfy the local consumption needs. Wheat breeders need ... -
Genetic and phenotypic characterisation of commercial dusky kob (Argyrosomus japonicus) cohorts
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Dusky kob, Argyrosomus japonicus, is a large Sciaenid finfish that has been identified as an emergent aquaculture species in South Africa. Current production practices for dusky kob are based on mass ... -
Improving wheat grain yield by employing an integrated biotechnology approach
(Stellenbosch : Stellenbosch University, 2018-03)ENGLISH ABSTRACT: Wheat is a widely cultivated crop as it forms a significant part of the world’s diet, especially within developing countries. However, food insecurity is increasing at a rapid rate and to meet this ... -
Development of a hairy root bioreactor from Stevia rebaudiana to produce steviol glycosides
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH SUMMARY: Extracts from the leaves of Stevia rebaudiana, a plant native to South America, have been used as natural sweetener for centuries. With the global epidemic of obesity linked to increased prevalence of ... -
Characterisation of the glycoside hydrolase domain of a novel bi-functional metagenomic clone for use in the biofuel production industry
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: The current practice of 1st generation biofuel production is marred by several hurdles, namely concerns over food security and the moral dilemma created by using edible feedstocks as a biofuel ... -
Characterising the viral and microbial diversity in old and young grapevines
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: There is anecdotal evidence suggesting that old vines produce wines of higher quality than young vines. In South Africa, vines are generally regarded ‘old’ when they reach 35 years of age, while ‘young’ ... -
Biophysical characterization of the mineral composition of seeds with varying genetic background including transgenic sorghum with reduced amounts of the storage protein kafirin
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Cereals are globally recognised as a cornerstone of human nutrition, and as a result play a pivotal role in efforts to address food insecurity and malnutrition. In Africa, the highest rates of hunger ... -
Investigating the recovery phenotype phenomenon in Aster Yellows-infected Grapevine
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: South Africa is ranked as the seventh largest wine producing country in the world. Grapevine is one of the most important crops, which warrants extensive research on pathogens and diseases that impact ... -
Molecular fingerprinting and molecular characterization of the ARC's peach collection in South Africa
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Peaches and nectarines are important deciduous fruits in South Africa, both belonging to the species Prunus persica. The Agricultural Research Council (ARC) at Infruitec-Nietvoorbij in the Western Cape ... -
Genetic diversity and identification of putative recombination events in Grapevine rupestris stem pitting-associated virus
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Phylogenetic analysis for variant classification plays a key role in the characterisation of the aetiological role of viruses. The genomic regions selected to identify viral variants and the occurrence of ... -
Fingerprinting and molecular characterisation of ARC's apricot and plum collection
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: In South Africa apricot (Prunus armeniaca) and plum (Prunus salicina) production forms part of the economically important stone fruit industry, which is mainly situated in the Western Cape, Northern Cape ... -
A targeted investigation of Diuraphis noxia (Hemiptera: Aphididae) methylation
(Stellenbosch : Stellenbosch University, 2017-12)ENGLISH ABSTRACT: Diuraphis noxia (Kurdjumov, Hemiptera: Aphididae – or Russian wheat aphid, RWA) is an economically important phloem-feeding pest of wheat and barley. The most effective method for controlling RWA ... -
Molecular species identification and spatio-temporal assessment of genetic diversity in the smooth hammerhead shark Sphyrna zygaena in South Africa
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The South African coast hosts a unique oceanographic regime with an enriched habitat able to support a diverse biota of chondrichthyans (sharks, skates, rays and chimaeras). Investigating these species ... -
Genetic diversity in a commercial black soldier fly, Hermetia illucens (Diptera: Stratiomydiae), population
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: The applications of black soldier fly (BSF), Hermetia illucens, as a first-generation biotechnology address two global problems - the pressure on food security arising from unsustainable food production ... -
The detection of Citrus tristeza virus genetic variants using pathogen specific electronic probes
(Stellenbosch : Stellenbosch University, 2017-03)ENGLISH ABSTRACT: Citrus tristeza virus (CTV), a complex pathogen of citrus spp., is endemic to South Africa and has been responsible for great losses locally and internationally. CTV causes severe stem pitting in grapefruit, ...
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