Toxic crops
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Most genetically modified (GM) crops fall into one of two categories. They are either engineered to resist chemical herbicides, or they are engineered to produce insecticides in the plants themselves. This means crops are designed either to tolerate specific broad-spectrum herbicides such as glyphosate or glufosinate, which kill the surrounding weeds, but leave the cultivated crop intact, or they produce a protein that is toxic for pests feeding on them.
Herbicide-resistant (HR) crops
GM he...
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