Search
Now showing items 1-10 of 58
Status of resistance of Helicoverpa armigera (Lepidoptera: Noctuidae) and Diparopsis castanea (Lepidoptera: Noctuidae) to Bt cotton in South Africa
(North-West University, 2011)
Genetically modified (GM) cotton expressing Cry1Ac proteins was released in South Africa in 1997 for control of the bollworm complex on this crop. No reports of the failure of Bollgard® cotton to control these pests have ...
Plant and arthropod diversity of maize agro–ecosystems in the Highveld and Lowveld regions of South Africa
(North-West University, 2011)
Surveys of plant and selected insect species was conducted in Highveld and Lowveld
agro–ecosystems of four provinces of South Africa, namely North–West, Mpumalanga,
KwaZulu–Natal and Limpopo. The objectives of the study ...
The effect of urbanization and agriculture on predacious arthropod diversity in the Highveld grasslands
(2015)
Biodiversity provides vital ecosystem services and more diverse ecosystems are known to be more stable and resilient in the face of disturbance. Predacious arthropods provide a valuable ecosystem service to control pest ...
Efficacy of Bt proteins and the effect of temperature on the development of spiny bollworm in South Africa
(North-West University (South Africa) , Potchefstroom Campus, 2016)
Genetically modified cotton expressing Bacillus thuringiensis (Bt) proteins has been cultivated in South Africa since 1998 for control of the bollworm complex. Spiny bollworms, Earias biplaga (Walker) (Lepidoptera: Noctuidae) ...
Base-line susceptibility of Busseola fusca for Bt maize in South Africa
(North-West University (South Africa), 2015)
Genetically modified maize that express insecticidal proteins (Bt proteins) have been
commercialized in South Africa for the control of Busseola fusca (Lepidoptera: Noctuidae). Busseola fusca has been reported to be ...
Population dynamics of translocated Frithia humilis : an endangered sandstone endemic
(North-West University (South Africa). Potchefstroom Campus, 2017)
Frithia humilis Burgoyne is an endangered succulent and edaphic specialist that is endemic to the Rand Highveld Grassland between the towns of Middelburg, eMalahleni (Witbank) and Bronkhorstspruit. The species is restricted ...
Plant– and arthropod diversity of vegetable gardens along a socio–economic gradient within the Tlokwe Municipal Area
(North-West University, 2012)
Globally urbanization has increased to such an extent that more than half of the human population currently resides in cities. In the years to come, urban expansion will especially take place in developing countries through ...
Pest risk assessment for regulatory control of Bactrocera invadens (Diptera : Tephritidae) in the Musina area (Limpopo Province)
(North-West University, 2013)
Fruit flies (Tephritidae) can enter and establish in new territories due to the movement of fruit from one area to another through trade or tourism, which can negatively impact on fruit production and market access. An ...
Bt maize and frogs : an investigation into possible adverse effects of Bt toxin exposure to amphibian larvae
(North-West University, 2012)
Genetically modified maize expressing the Bt-protein Cry1Ab (Bt maize) is planted widely in South Africa. Crop residues of Bt maize often end up in aquatic ecosystems where aquatic organisms are exposed to Cry1Ab protein. ...
Implementation of the push–pull strategy for Eldana saccharina control on sugarcane in KwaZulu–Natal, South Africa
(North-West University, 2013)
The aim of the research presented in this dissertation was to further the implementation of push-pull for control of Eldana saccharina on sugarcane in the Midlands North region, KwaZulu-Natal, South Africa. Eldana saccharina, ...