Illinois Fertilizer & Chemical Association
Supply · Service · Stewardship

Adjacent and Neighboring: How Far is That with DIcamba?

An article posted to the Bulletin last November outlined several changes made by the United States Environmental Protection Agency to the labels of XtendiMax, Engenia, and FeXapan.  The intent of these label amendments is to reduce sensitive plant species exposure to dicamba primarily through physical movement (i.e., drift during the application or particle movement during temperature inversions) and via dicamba residues dislodged from application equipment.  Those in Illinois who have completed the required dicamba training being conducted by registrant personnel likely heard repeatedly that preventing off-target movement during the application is solely and completely the responsibility of the applicator.  But what is less-than-clear is how far from the treated field off-target extends.
The following statements can be found on the current labels of XtendiMax/FeXapan and Engenia, respectively:
“Do not apply this product when the wind is blowing toward adjacent non-dicamba tolerant susceptible crops; this includes non-dicamba tolerant soybean and cotton.”
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