【摘要】 [目的]筛选对小菜蛾有较好防治效果、对天敌安全的低毒药剂。[方法]2006年进行3种低毒药剂对小菜蛾的防治效果研究。[结果]田间试验表明,应用除虫脲、除尽、虫酰肼防治小菜蛾,药后3~7 d的防治效果在90%以上。[结论]除虫脲、除尽、虫酰肼是无公害蔬菜生产中防治小菜蛾的较好药剂。更多还原

【Abstract】 [Objective] The aim of the research was to screen low-toxicity medicaments that had better controlling effect on P.xylostella and were safe to natural enemies.[Method] The controlling effects of 3 kinds of low-toxicity medicaments on P.xylostella were studied in 2006.[Result] Field experiment showed that the controlling effect was more than 90% in 3～7 d after applying diflubenzuron,chlorfenapyr and tebufenozide against P.xylostella.[Conclusion] Diflubenzuron,chlorfenapyr and tebufenozide were better medicaments for controlling P.xylostella in pollution-free vegetable production.更多还原