Palmer amaranth develops resistance to another type of weedkiller

One of the greatest threats to cotton and soybean producers is Palmer amaranth, an invasive and aggressively growing weed. The weed has developed resistance to the widely used weedkiller glyphosate and now Palmer amaranth populations in Arkansas are resistant to a class of herbicides known as PPO inhibitors, compounding the challenge of weed control, says… » Read More

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