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Pests and predators on genetically altered cotton (Bt-cotton) and associated host plants in South Africa
(University of the Free State, 2009-09-23)
The efficacy of the Bt-genes (the cry1Ac and cry2Ab2 genes) were evaluated for bollworms (i.e. the American or “African” bollworm, Helicoverpa armigera, the red bollworm Diparopsis castanea and the spiny bollworm species, ...