Abstract
Genetically‐modified (GM) corn (Zea mays L.) and soybean [Glycine max (L.) Merr.] dominate the North American agricultural landscape and are becoming increasingly important as biofuels. However, as herbicide‐tolerance and insecticidal traits are often simultaneously expressed by individual plants, glyphosate [N‐(phosphonomethyl) glycine]‐resistant (GR) volunteer corn is becoming a widespread problem as a weed in corn‐soybean rotational systems. We show that these volunteer corn plants not only have herbicide‐tolerance genes but also express insecticidal “Bt” protein. We also report high levels of damage to these plants from larvae of the target pest, the western corn rootworm (WCR, Diabrotica virgifera virgifera LeConte). This suggests that volunteer herbicide‐tolerant Bt corn has the potential to present problems both for weed management and insect resistance management, as it may facilitate more rapid evolution of Bt resistance in corn rootworm populations.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
