Dicamba Restrictions

EPA Annouces New changes to dicamba registration

Anyone that applies Xtendimax, FeXapan or Engenia in Ohio must:

  • Take the dicamba-specific training

  • Two-year registration (until December 20, 2020)
  • Only certified applicators may apply dicamba over the top (those working under the supervision of a certified applicator may no longer make applications) 
  • Prohibit over-the-top application of dicamba on soybeans 45 days after planting and cotton 60 days after planting
  • For cotton, limit the number of over-the-top applications from 4 to 2 (soybeans remain at 2 over-the-top applications)
  • Applications will be allowed only from 1 hour after sunrise to 2 hours before sunset
  • In counties where endangered species may exist, the downwind buffer will remain at 110 feet and there will be a new 57-foot buffer around the other sides of the field (the 110-foot downwind buffer applies to all applications, not just in counties where endangered species may exist)
  • Clarify training period for 2019 and beyond, ensuring consistency across all three products
  • Enhanced tank clean out instructions for the entire system
  • Enhanced label to improve applicator awareness on the impact of low pH’s on the potential volatility of dicamba
  • Label clean up and consistency to improve compliance and enforceability
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Precautions for Dicamba Use in Xtend Soybeans (Purdue Extension Factsheet)

Recordkeeping Template


Xtendimax Application Requirements

FeXapan Application Requirements

Engenia Application Requirements


Dicamba-Specific Training 

*ANY dicamba-specific training will meet the training requirement to apply Xtendimax, Engenia, or FeXapan, regardless of which company (BASF, Monsanto, Dupont) sponsored the meeting.