The widespread use of dicamba in corn, combined with the high sensitivity of soybean to this herbicide, results in numerous examples of soybean injury each year. Although there is evidence that soybean may develop cupped leaves typical of dicamba or other growth regulator herbicides in the absence of these chemicals, the majority of fields exhibiting abnormal leaf growth involve a growth regulator herbicide.
Iowa State University
Hartzler, Robert G., "Dicamba and soybean yields" (2002). Integrated Crop Management News. 1751.
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