In the past 2 weeks there have been numerous reports of soybean plants developing symptoms characteristic of damage from growth regulator herbicides. In most cases the symptoms, which include leaf cupping and distorted veins, developed shortly after postemergence herbicides were applied to the field; in other situations, there was no apparent reason for the response.
Iowa State University
Hartzler, Robert G., "Malformed soybean leaves appearing" (1999). Integrated Crop Management News. 2186.
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