Genetically engineered corn that makes Bt toxin has [ ceased to repel insect pests ]( http://www.commondreams.org/news/2014/07/29/brazil-farmers-say-gmo-corn-no-longer-resistant-bugs ) , in Brazil and in the US. Brazilian farmers demand compensation for the extra pesticides they had to use.
Ссылка: https://stallman.org/archives/2014-may-aug.html#30_July_2014_%28Corn_engineered_with_Bt_toxin%29