In 1998, 25% of the U.S. corn acreage (80 million acres total) was planted to transgenics. See the articles below for information on the mechanisms in the transgenic varieties.
OUTLOOK FOR TRANSGENIC CORN - 1997FUTURE OF Bt CORN IN THE SOUTHEAST U.S. - 1997TRANSGENIC Bt CORN VARIETIES AVAILABLE - 1996SEED DROP RATES AND TECHNOLOGY FEES - 1998Bt CORN FOR CORN ROOTWORMS - 1999ILLINOIS CORN HOME PAGE
cornsTALK
NATIONAL CORN GROWERS ASSOCIATION
OHIO CORN GROWERS ASSOCIATION
KyCorn ONLINE
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