Search
Now showing items 1-4 of 4
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 ...
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. ...
Diversity of gut–microorganisms in Bt–resistant and Bt–susceptible larvae of the maize stem borer (Busseola fusca) (Lepidoptera : Noctuidae)
(North-West University, 2012)
Maize is one of Africa’s main food sources. It is therefore important to protect this crop
against pests such as the maize stem borer Busseola fusca. Genetically modified Bacillus
thuringiensis (Bt) maize has been shown ...
The refuge concept in insect resistance management : its history and future application in South Africa
(North-West University, 2012)
Genetically modified (GM) crops developed for insect control express cry genes from the bacterium Bacillus thuringiensis (Bt). These genes produce target specific insecticidal proteins that protect the plant against insect ...