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Theses and Dissertations (Plant Science): Recent submissions
Now showing items 1-20 of 219
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(University of Pretoria, 2011-11)Plants have never been formally recorded in the Southern Ndebele language (isiNdebele). A need to investigate this aspect has resulted in the present study, which has been undertaken to identify and record the ethnobotanical ...
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(University of Pretoria, 2015)Arabidopsis thaliana is a model plant widely used to gain insights in the so called plant-pathogen interactions. This is so because plants are sessile organisms living in an environment rich in disease causing microbes. ...
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'n Ekologiese studie van die plantegroei van 'n noordelike en suidelike kloof van die Magaliesberge (University of Pretoria, 1961-06)English: The vegetation of the two kloofs in the Magaliesberg range is described. These kloofs are 10 miles west of the Hartebeespoortdam in die Brits district covering an area of approximately 35 morgen. The altitude ...
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(University of Pretoria, 2023)Covid-19 infection is characterized by multiple stages of symptoms, from mild flu-like symptoms to pneumonia and potential death. The sudden nature of the pandemic warranted immediate treatment and the repurposing of ...
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(University of Pretoria, 2023)Sunflower is the third most important oil seed crop globally following soybean and rapeseed. Climate change threatens crop production with various limitations, including unpredictable temperature fluctuations, altered ...
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(University of Pretoria, 2023)Grey leaf spot (GLS) is a devastating fungal foliar disease which affects maize globally. The causal agent for GLS in southern Africa is Cercospora zeina. Current methods to control GLS include chemical fungicides and ...
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(University of Pretoria, 2022)Cercospora zeina the causal agent of grey leaf spot of maize causes up to 67% yield losses when susceptible maize cultivars are planted. Variations in the levels of aggressiveness of C. zeina isolates have been reported ...
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(University of Pretoria, 2023)The past century saw the discovery of antibiotics as an effective treatment for bacterial infections. Life-threatening infections that were previously untreatable could now be neutralized by antibiotics with few side ...
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(University of Pretoria, 2022)To successfully predict how ecosystems and associated species will respond to global change drivers, an understanding of the underlying drivers of the assembly, diversity and functional responses of biological communities ...
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(University of Pretoria, 2022)Savannas constitute the largest biome on the African continent. Savanna systems are characterised by the coexistence of C4 grasses in the understorey and trees or shrubs in the overstorey. This balance is maintained by ...
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(University of Pretoria, 2022)Background: Polyploidy is a major factor in the adaptation and speciation of many plant lineages. Many evolutionary factors may contribute to autopolyploid frequency within plant populations, including rates of new polyploid ...
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(University of Pretoria, 2022)Natural areas are under threat due to land transformation, placing additional pressure on existing protected areas and emphasizing the need for more conserved areas. However, effective conservation planning requires ...
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The role of dispersal mechanisms in range shifts of plant species across sub-Antarctic Marion Island (University of Pretoria, 2022-09)Dispersal is a key lifecycle event and is the means through which species spread geographically, across both fine and broad scales. Despite their ecological importance, dispersal events have proven challenging to quantify ...
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(University of Pretoria, 2022)The marama bean, encompassing both Tylosema esculentum ((Burch.) A.Schreib.) and Tylosema fassoglense ((Kotschy ex Schweinf.) Torre & Hillc.), has been identified as an orphan crop of southern Africa with a great potential ...
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(University of Pretoria, 2022)Biodiversity forms the basis of ecosystem functioning, which forms the foundation of ecosystem services. Quantifying diversity patterns and its drivers is needed to effectively conserve and maintain ecosystems. Diversity ...
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(University of Pretoria, 2022)Background: With high annual infection rates and rapidly increasing antimicrobial resistance (AMR), Neisseria gonorrhoea has become a major global public health concern, especially because delayed treatment often results ...
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(University of Pretoria, 2022)Ethnopharmacological relevance: Sexually transmitted diseases (STDs) is a major global concern of an ever-growing population. The daily rate of infectious STDs increases by an estimate of one million infections. The ...
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(University of Pretoria, 2022)Anthesis and pollination are precisely timed events, which change with the surrounding environment depending on light, temperature, and humidity. Plants and pollinators may exhibit mismatched behaviors as a result of ...
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(University of Pretoria, 2022-06)Moringa oleifera Lam. is an important plant species with various uses and applications, being cultivated across the world, with most of the production in Africa and Asia. Among other uses, moringa tree is useful for human ...
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Diversity of fumonisin-producing Aspergillus and Fusarium species in maize collected in South Africa (University of Pretoria, 2022)Maize(Zea mays L.) is a major crop grown all over the world, and it is a staple in the diets of millions of people, particularly in Africa. Fusarium and Aspergillus fungal species are reported to be associated with maize ...
Now showing items 1-20 of 219