Southern Crop

Southern Crop

Pest Resistance to Biotech Crops Surging

These Bt proteins kill some voracious caterpillar and beetle pests, but are harmless to people and considered environmentally friendly. While organic farmers have used Bt proteins in sprays successfully for more than half a century, some scientists feared that widespread use of Bt proteins in genetically engineered crops would spur rapid evolution of resistance in pests.


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