Thursday, June 20, 2024

Mississippi to require training before purchase of auxin herbicides

soybean sprayingMississippi recently granted state registration to Monsanto’s dicamba herbicide, XtendiMax with VaporGrip Technology, with a few added requirements.

Under the state label, the wind limit has been reduced to 10 mph from the federal label limit of 15 mph. In addition, anybody who wants to buy an auxin herbicide for use on dicamba- or 2,4-D-resistant crops must first successfully complete state-approved training.

Auxin herbicides include Enlist Duo with Colex-D Technology from Dow AgroSciences, a premix of glyphosate and 2,4-D; Engenia, a BAPMA dicamba formulation from BASF Corp.; and XtendiMax with VaporGrip Technology from Monsanto, a DGA dicamba with a proprietary additive to reduce volatility. The requirement also applies to the recently registered Enlist with Colex-D Technology, which only contains 2,4-D with the proprietary additive to reduce volatility.

Beginning Feb. 13, growers and applicators can take the self-paced training online 24/7 at The site is not accessible until that date.

After successful completion of each of the six training models with a score of at least 70 percent, users will receive an email from the Mississippi Department of Agriculture and Commerce. They will need to print the email and take it with them when they purchase auxin herbicides at a licensed pesticide dealer.

For more information, visit Mississippi State University.

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