With the growth in the areas planted with transgenic crops that produce insecticide proteins, insects are becoming increasingly resistant. This was the conclusion drawn by a team of researchers from CIRAD and the University of Arizona in a review of the available scientific literature published recently. But why, in some cases, do insects adapt in less than two years, while in others, they still have not managed to adapt after fifteen years? It is all a question of managing resistance: farmers have the means to slow the development of resistance, particularly using refuge zones containing non-modified plants, grown near modified crops.
via CIRAD - Actualités / News http://www.cirad.fr/news/all-news-items/articles/2013/science/transgenic-crops-how-can-insect-resistance-be-managed
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