Article by Daniela Pezzini, NC State Ph.D. candidate, Department of Entomology and Plant Pathology Bt corn has been genetically modified to make insecticidal proteins that protect plants from caterpillars and some root-feeding beetles. In our region, growers pay an average of around $35 more for a bag of Bt corn compared to non-Bt corn. However, corn ...| corn.ces.ncsu.edu
All growers who plant Bt corn in North Carolina are required by law to plant non-Bt corn (refuge). Details are specified on the bag tag, but non-Bt corn must represent at least 20% of the total corn acres, including both Bt and non-Bt corn. Even if refuge-in-a-bag (RIB) hybrids are planted, North Carolina growers must ...| corn.ces.ncsu.edu