In the latest development in the dicamba saga, EPA approved over-the-top application for years to come of three dicamba herbicides. As DTN reports, Bayer’s Xtendimax, BNSFs Engenia, and Syngenta’s Tavium dicamba-based herbicides were each granted five-year registrations with a new restrictions, including a cutoff date of June 30 for soybeans and July 30 for cotton, […]
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According to all reports, dicamba volatilization, drift, and crop damage has markedly worsened in 2020 in Iowa, as many expected it would. Bob Hartzler, a widely respected, experienced weed scientist at Iowa State, has published a July 8, 2020 blog entitled “Dicamba 2020: What went wrong in Iowa?” For the story of how we got […]
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In a new piece published online June 9, 2020 by Environmental Health News, we survey some of the ramifications of the recent decision by the 9th Circuit Court of Appeals vacating the EPA’s 2018 conditional registration of post-emergent applications of dicamba on GMO soybeans and cotton. The unexpected court ruling is unprecedented in three ways: […]
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On June 3, 2020, a three-judge panel from the Ninth Circuit of the U.S. Court of Appeals ruled that the EPA failed to acknowledge the risks associated with over-the-top (OTT) dicamba applications and did not recognize the seriousness of reports of drift damage (OTT applications are sprayed directly over the herbicide-resistant crops during the growing […]
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Hygeia Note — The below email was sent to a group of individuals on June 1, 2020 by Lou Nelms, and is posted here with his permission. Words in [brackets] were added by Hygeia for clarity. Nelms has monitored the impact of dicamba and 2,4-D use, drift, and volatilization in Illinois since the beginning of […]
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DTN Progressive Farmer reports that dicamba-resistant weeds appear to have started to crop up in the Midwest and Midsouth regions. These soy and cotton growing regions have seen a huge increase in dicamba use over the last couple of years since dicamba-resistant varieties of these crops were introduced. An estimated 60 million acres of dicamba […]
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Reprinted with permission from an email update sent March 26, 2019 by Steve Smith, Senior Director of Agriculture for Red Gold and Chairman of the Save Our Crops Coalition. Links and photos added by Hygeia. For background on the dicamba drift crisis, see our Special Coverage. Updates are coming fewer and farther between as the […]
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A new presentation is circulating among ag nerds that was given by Tim Creger, the Pesticide/Fertilizer Program Manager for the Nebraska Department of Agriculture to the Association of American Pesticide Control Officials (AAPCO). Creger and his team are responsible for handling all reports of damage from drifting herbicides, and like state agencies around the Midwest […]
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After months of meetings, and over 2,500 public comments, the Arkansas Plant Board finally decided what to do about dicamba in the 2019 planting season. As Liza Gross reports in Fern’s Ag Insider, The Board went against the recommendations of state weed scientists, and the vast majority of the members of the public who provided […]
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Three new Xtend-dicamba related items have been posted recently on Hygeia. Collectively they frame what is to come as farmers and herbicide applicators begin the 2019 herbicide spray season. In a fact-filled piece in DTN, Emily Unglesbee traces the march of glyphosate-resistant Palmer amaranth across the southeast, and then to the north and west. This […]
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