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dicamba
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Dicamba is a selective systemic herbicide that kills broadleaf weeds and is used for crop and turf management. It has been controversial for its tendency to drift and damage non-target plants, especially after the release of dicamba-resistant GMO crops in 2016.
Dicamba is a herbicide used to control weeds in various crops and non-agricultural settings. Learn about EPA's registration review, OTT uses, risk assessments, and incidents of off-target movement and damage.
Dicamba is a broad-spectrum herbicide used on various crops and non-agricultural sites. It may cause cancer, hypothyroidism and other health problems for applicators and nearby residents. It also damages crops that are not resistant to it, leading to lawsuits and regulatory actions.
Learn what dicamba is, how it works, how it may affect humans and the environment, and how to avoid exposure. Find out the signs and symptoms of dicamba poisoning, the sources of exposure, and the potential health effects.
The picture for dicamba in soybeans grew foggy early in 2024 when a court forced U.S. EPA to vacate labels for the three over-the-top dicamba products for dicamba-tolerant soybeans: XtendiMax, Engenia and Tavium. While the future for these three products beyond 2025 remains uncertain, the fog has lifted over what you can do with dicamba in 2025.
Dicamba is a selective herbicide that controls broadleaf weeds, but has unique properties and challenges compared to glyphosate. Learn about its mode of action, label requirements, volatility, rainfastness, and more from Nebraska Extension weed scientist Stevan Knezevic.
EPA issued an Existing Stocks Order for dicamba products previously registered for OTT use on dicamba-tolerant cotton and soybean in 2024. The order allows limited sale, distribution, and use of these products, but with restrictions to prevent off-target movement and damage.
OTT dicamba was used to control broadleaf weeds, particularly those resistant to glyphosate and other herbicides, in DT soybeans in Minnesota. The loss of this tool emphasizes the need for diversified weed management, including a combination of preemergence residual and postemergence herbicides with multiple sites-of-action to reduce resistance ...
Dicamba Resistance Management. Dicamba has been widely used in agricultural production for decades, making it a vulnerable target for developing herbicide resistance.The International Herbicide-Resistant Weed Database reports that 44 weed species are resistant to Group 4 herbicides worldwide as of 2024. Dicamba-resistant waterhemp and Palmer amaranth populations have expanded throughout corn ...
Dicamba is stable, and resistant to oxidation and hydrolysis under normal storage conditions. While no label is required for shipment, dicamba should be clearly identified in storage areas. Containers of dicamba may be shipped by air, rail, road, or water. Small liquid spills of dicamba may be reduced to solid phase by evaporation, and then ...