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An article published in the latest issue of the journal Weed Science shows that adopting harvest-time and post-harvest weed controls can reduce the prevalence of glyphosate-resistant Palmer amaranth, one of the most problematic weeds in soybean, cotton and corn crops.
Researchers with Colorado State University and the U.S. Forest Service have uncovered new information that may explain why insect biocontrols used to manage toadflax infestations can sometimes exhibit mixed results.
If weeds were allowed to grow with no control measures, about half of corn and soybean crops across the United States and Canada would be lost, costing growers about $43 billion annually, says a team of researchers.
There is a troubling discrepancy between the large number of harmful invasive plant species and the number of invasive plant species that are actually regulated. At the federal level, the USDA’s Animal and Plant Health Inspection service (APHIS) includes

LAWRENCE, Kansas – July 12, 2016 – You may think weeds resistant to herbicides are a new phenomenon linked to the overuse of glyphosate in genetically engineered crops,

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Like clockwork, Mid-South cotton growers know that pigweed escapes will begin to pop up in their fields by mid-July. In addition to being prolific seed producers, the pesky weed can also feature resistance to several types of herbicides