As we approach a potential late harvest, the effects of drought on the corn crop in southern Iowa, South Dakota, and other areas in the Midwest are evident. Concerns include ear tip back and potential stalk lodging. On the positive side, many areas of East Central and NE Iowa, N. Illinois, Wisconsin and Michigan have gotten enough rain and crops are excellent, assuming we get enough time to mature the crop before frost. Corn rootworm beetles have been a concern in some fields, especially in continuous corn fields, while Japanese Beetles were troublesome in many areas in both corn and soybean fields. Refuge and conventional corn showed some European Corn Borer damage, but generally less than 2016. This may be a bad year for earworm, unless protected by the Agrisure Viptera® trait.
Thoughts from Ph. D. Corn Breeder and Miller Hybrids Owner, Bob Miller.
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