Browsing Electronic Theses and Dissertations (ETDs) by Subject "Bacillus thuringiensis"
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The effect of glyphosate and Cry1Ab proteins on the growth and survival of tadpoles of two amphibian species
(2015)Studies have shown that pesticides have negative effects on non-target organisms. Lately more studies are focusing on amphibians due to their rapid world-wide decline. This study addressed the potential effects of glyphosate ... -
Efficacy of Bacillus thuringiensis spray applications for control of lepidopteran pests
(2014)Organic insecticides play a big role in reducing the usage of chemical insecticides and their negative impact on the environment. Bacillus thuringiensis (Bt) spays are the only tool that organic farmers are allowed to use ... -
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) ...