Too much of a good thing: Lessons from compromised rootworm Bt maize in the US Corn Belt

• 成果类型: Article
• 署名作者: Ye, Ziwei; Difonzo, Christina; Hennessy, David A.; Zhao, Jinhua; Wu, Felicia; Conley, Shawn P.; Gassmann, Aaron J.; Hodgson, Erin W.; Jensen, Bryan; Knodel, Janet J.; Mcmanus, Bradley; Meinke, Lance J.; Michel, Andrew; Potter, Bruce; Seiter, Nicholas J.; Smith, Jocelyn L.; Spencer, Joseph L.; Tilmon, Kelley J.; Wright, Robert J.; Krupke, Christian H.
• 署名单位: Renmin University of China; Michigan State University; Iowa State University; Iowa State University; Cornell University; Michigan State University; Michigan State University; University of Wisconsin System; University of Wisconsin Madison; Iowa State University; University of Wisconsin System; University of Wisconsin Madison; North Dakota State University Fargo; South Dakota State University; University of Nebraska System; University of Nebraska Lincoln; University System of Ohio; Ohio State University; University of Minnesota System; University of Illinois System; University of Illinois Urbana-Champaign; University of Guelph; Illinois Natural History Survey; University of Illinois System; University of Illinois Urbana-Champaign; Purdue University System; Purdue University
• 刊物名称: SCIENCE
• ISSN/ISSBN: 0036-8110
• DOI: 10.1126/science.adm7634
• 发表日期: 2025-02-28
• 页码: 984-989
• 关键词: resistance; CROPS; management; PRODUCTIVITY; vaccination; coleoptera

摘要

Widespread use of genetically engineered maize targeting the corn rootworm complex (Diabrotica species) has raised concerns about insect resistance. Twelve years of university field trial and farm survey data from 10 US Corn Belt states indicate that maize hybrids expressing toxins derived from the bacterium Bacillus thuringiensis (Bt maize) exhibited declining protection from rootworm feeding with increased planting while pest pressures simultaneously decreased. The analysis revealed a tendency to overplant Bt maize, leading to substantial economic losses; this was particularly striking in eastern Corn Belt states. Our findings highlight the need to go beyond the tragedy of the commons perspective to protect sustainable use of Bt and other crop biotechnology resources. We propose moving toward a more diversified and transparent seed supply.