“Today, 98 percent of U.S. soybeans, 88 percent or so of U.S. cotton and more than 70 percent of U.S. corn come from cultivars resistant to glyphosate,” Owen reports. Reliance on these crops — and an accompanying weed-control strategy that employs glyphosate to the exclusion of other herbicides — “created the ‘perfect storm’ for weeds to evolve resistance,” Continue Reading at sciencenews.org
