Fifteen states in the United States have reported glyphosate-resistant weeds in the past 20 years.1 One of the best ways to help your customers get a handle on glyphosate-resistant weeds is to start with a clean field this spring. In many cases, this means using tillage to have a clean seedbed and/or using a burndown herbicide with a soil-applied, residual herbicide.
“The only way to really claim back this territory from resistant weeds is to have a weed-free field going into harvest,” says Dave Ruen, field scientist, Dow AgroSciences.
Ruen adds that it is important to use proper herbicide rates. In many cases, this will be near or at the full use rate on the label. After applying a preemergence herbicide, scout fields for surviving weeds so you can select a proper postemergence herbicide with multiple modes of action that will be effective against glyphosate-resistant weeds.
With resistant weeds on the rise, it’s important to recommend a preemergence, residual herbicide with multiple modes of action to manage future resistance. Sonic® herbicide provides two nonglyphosate modes of action to control your customers’ worst broadleaf weeds.
Learn more about how your customers can battle herbicide-resistant weeds this season at the retailer-exclusive online resource OperationCleanFields.com
1Heap, I. 2017. The International Survey of Herbicide Resistant Weeds. www.weedscience.org.
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