Genetically engineered seeds planted on over 90 percent of U.S. corn, cotton, and soybean acres in 2015
U.S. farmers have adopted genetically engineered (GE) seeds in the 20 years since their commercial introduction, despite their typically higher prices. Herbicide-tolerant (HT) crops, developed to survive the application of specific herbicides that previously would have destroyed the crop along with the targeted weeds, provide farmers with a broader variety of options for weed control. Insect-resistant crops (Bt) contain a gene from the soil bacterium Bacillus thuringiensis that produces a protein toxic to specific insects, protecting the plant over its entire life. “Stacked” seed varieties carry both HT and Bt traits, and now account for a large majority of GE corn and cotton seeds. In 2015, adoption of GE varieties, including those with herbicide tolerance, insect resistance, or stacked traits, accounted for 94 percent of cotton acreage, 94 percent of soybean acreage (soybeans have only HT varieties), and 92 percent of corn acreage planted in the United States. This chart is found in the ERS data product, Adoption of Genetically Engineered Crops in the U.S., updated July 2015.