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US EPA sets herbicide tolerances for DuPont™ Inzen™ sorghum trait
Nov. 13, 2015
DuPont Crop Protection
United StatesFollow
United StatesDuPont Crop Protection has received registration approval from the U.S. Environmental Protection Agency (EPA) that allows the use of herbicides containing nicosulfuron and rimsulfuron on sorghum varieties containing the DuPont™ Inzen™ herbicide-tolerance sorghum trait. Sorghum growers will soon be able to apply proven herbicides containing active ingredients that will deliver postemergence control of yield-limiting grasses.
“Nicosulfuron and rimsulfuron provide excellent control of annual grasses that deplete grain sorghum yields by as much as 20 percent,” said James Hay, regional director, North America DuPont Crop Protection. “Being able to grow sorghum without worrying about grass weed competition will be a real advantage for growers planting in arid regions.”
Field trials on sorghum varieties containing the non-GMO Inzen™ herbicide-tolerance trait show these active ingredients provide effective control of crabgrass, barnyardgrass, signalgrass and panicum and other grass weeds. Nicosulfuron and rimsulfuron should not be used on sorghum that does not contain the Inzen™ herbicide-tolerance sorghum trait, since severe crop injury will occur.
“Growers now have the opportunity to achieve a better crop, yield and profit,” said Hay. “With the stewardship training that will be provided, growers can help ensure that this technology is available to support sorghum yield for many years to come.”
These herbicides offer outstanding crop rotation and recropping flexibility. They can be tank-mixed with other herbicides, insecticides and fungicides registered for use on sorghum. They also provide an alternate mode of action that will aid in reducing glyphosate resistance and will control labeled grasses that are glyphosate-resistant.
Seed companies Advanta US and DuPont Pioneer are engaged in commercializing the Inzen™ herbicide-tolerance sorghum trait.
Source: DuPont news release
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