Last year was a good year for evaluating Bt corn hybrids and their performance against European corn borers. Insect pressure was very high in part of the state and several companies entered the Bt corn market with new hybrids. Presented here are the results from replicated field trials conducted by Iowa State University in 14 counties.
Iowa State University
Rice, Marlin E., "Yield performance of Bt corn" (1998). Integrated Crop Management News. 2240.
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