PLANT SCIENCE:
The Power of the Pyramid
William J. Moar Konasale J. Anilkumar
Insects may be less likely to develop resistance when crops express proteins that have been modified to overcome resistance to other toxins.
The authors are in the Department of Entomology and Plant Pathology, Auburn University, Auburn, AL 36849, USA. E-mail: moarwil{at}auburn.edu