Pigweed might sound like the villain of a farm-themed fairy tale, but it's very real and can turn your lawn into a leafy ...

Help can’t arrive fast enough for corn and soybean farmers who routinely battle Palmer amaranth (pigweed ... that targets a site of action in plants that differs from herbicides U.S. growers ...

Pigweed is capable of quickly becoming the dominant species in a field due to its high seed output, producing over 100,000 seeds per plant. A number of herbicides are effective on pigweed species if ...