棉铃虫对转Bt基因棉花的抗性及其治理策略

Resistance for Helicoverpa armigera Against the Transgenic Bt Cotton and its Management Strategy

本文综述了棉铃虫对转Bt基因棉花的抗性机制和抗性风险,重点讨论了基因策略包括转入多个杀虫基因、定向和器官特异表达、侵害诱导表达、调控表达、高杀死与低表达策略,田间策略如Bt棉品种的轮作混植、降低化学防治经济阈值、农艺措施和庇护所策略,国家宏观调控如实施分区种植管理、加强种子生产经营管理、强化抗性动态检测、严格安全性评价等抗性治理策略与技术。

Advances in mechanism and risk of the resistance for Helicoverpa armigera to transgenic Bt cotton was reviewed, as one important reason for the Bt cotton resistance management. The management strategies and techniques of resistance for Helicoverpa armigera to the transgenic Bt cotton, included gene strategies （such as insert a set of insecticidal gene, tagged and organ-specific expression, infection inducing expression, regulating expression, high dose and low dose expression strategy）, field tactics （such as the rotation and mixture planting of the Bt cotton, reduced the economic threshold for chemical control, cultivation measures and the refuge tactics）, and the state macro-adjustment （such as implementation of the zoning planting system, strengthening management of seed production, viewing the resistant dynamic monitored, and giving strict safety evaluation for Bt cotton planting） were discussed mainly.