A new publication, Bt corn and European corn borer: Long-term success through resistance management, is available from the ISU Extension Publications Distribution Center (515-294-5247). This publication discusses what Bt corn is, how it was created, what it is intended to do, and how it should be managed to delay the development of resistance in European corn borers. Ask for publication NCR 602. Single copies are $2.25.
Iowa State University
Rice, Marlin E., "All you ever wanted to know about Bt corn" (1998). Integrated Crop Management News. 2242.