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Dicamba Restricted Use Required Applicator Training Locations and Dates

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Amanda De Oliveira Silva

Amanda De Oliveira Silva

I have served as an Assistant Professor and Small Grains Extension Specialist at Oklahoma State University since August 2019. I believe that close interaction with producers is vital to understand their production strategies and to establish realistic research goals. My program focuses on developing science-based information to improve the agronomic and economic viability of small grains production in Oklahoma and in the Southern Great Plains.

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In response to an elevated number of off-target movement claims in many states in 2017, this training has been mandated by the EPA for application of newly formulated dicamba products. The following formulations of dicamba are approved for use in the Roundup Ready® Xtend Crop System as of November, 2017 and are covered by these trainings:


  • XtendiMax® herbicide with VaporGrip® Technology (Monsanto)
  • DuPont® FeXapan® herbicide Plus VaporGrip® Technology
  • Engenia® Herbicide (BASF)


The application requirements in these trainings apply to all labeled uses of these products in Oklahoma. These trainings are designed to satisfy the federal requirement for mandatory dicamba applicator training and to satisfy the Oklahoma Department of Agriculture, Food & Forestry requirement for dicamba specific training. This training is not a substitute for the state-specific Certified Applicator training which is required to purchase and use Restricted Use Pesticides.


For more information contact the Oklahoma Department of Agriculture, Food & Forestry (Debbie Mandrell – 405.522.5949 – Debbie.Mandrell@ag.ok.gov) or your local Oklahoma Cooperative Extension Service county office.



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