GE Crop Risk Assessment Challenges: An Overview
There have been dramatic changes in the transgenic composition of GE corn and soybeans over the last five years, coupled with a substantial increase in reliance on pesticides and Bt toxins. Compared to the first five years of commercial use (1996-2000), today’s GE corn and soybeans in the U.S. require:
About twice as much herbicide per acre, with glyphosate/Roundup accounting for essentially all the growth;
In corn, two to six Bt toxins to deal with…