Illinois Fertilizer & Chemical Association
Supply · Service · Stewardship

IDOA Files Rules for Dicamba on Soybeans in 2022

On December 3rd, 2021, Illinois Department of Agriculture (IDOA) filed rules with the Illinois Secretary of State on dicamba application to soybeans. The restrictions for dicamba use on soybeans filed by IDOA are the same restrictions required in 2021. The rules were published in the Secretary of State's Illinois Register December 17th, 2021.  IDOA provided a press release detailing the proposed rules.  The additional restirctions for dicamba application on soybeans in Illinois are listed below:
  • A pesticide containing dicamba shall not be applied on soybeans if the air temperature at the field at the time of application is over 85 degrees Fahrenheit or if the National Weather Service’s forecasted high temperature for the nearest available location for the day of application exceeds 85 degrees Fahrenheit. Local National Weather Service forecasts are available at https://www.weather.gov.
  • Application on soybeans of a pesticide containing dicamba shall not be made after June 20 of each year.
  • Before applying a pesticide containing dicamba on soybeans, the applicator shall consult the FieldWatch sensitive crop registry (https://www.fieldwatch.com) and comply with all associated recordkeeping and label requirements.
  • Application on soybeans of a pesticide containing dicamba shall not be made if the wind is blowing toward: any Illinois Nature Preserves Commission site that is adjacent to the field of application; or an adjacent residential area.
 
Additional Resources: