溴虫氟苯双酰胺对甘蓝小菜蛾和菜青虫的防治效果

Field Efficacy Trials of Broflanilide against Plutella xylostella and Pieris rapae Linne of Cabbage

[目的]为明确9.5%溴虫氟苯双酰胺悬浮剂对甘蓝主要害虫小菜蛾、菜青虫的防治效果。[方法]2018、2019年于山东烟台进行了田间药效试验。[结果]9.5%溴虫氟苯双酰胺悬浮剂15、20、24 g a.i./hm^2,药后7 d对甘蓝小菜蛾、菜青虫防效分别达90.79%、92.76%以上,防效随着剂量的增加而加强。[结论]9.5%溴虫氟苯双酰胺悬浮剂可作为防治甘蓝小菜蛾和菜青虫的高效理想药剂,具有较好的应用前景。

[Aims]The study aims to confirm the control effect of a new insecticide broflanilide 9.5%SC on the main pests of cabbage,Plutella xylostella and Pieris rapae Linne.[Methods]In 2018 and 2019,field efficacy trials were conducted in Yantai,Shandong province.[Results]On 7 th day after treatment,the control effect on P.xylostella and P.rapae Linne were over 90.79 and 92.76%respectively under broflanilide 9.5%SC 15、20、24 g a.i./ha,the control effect was enhanced with the increase of dose.[Conclusions]Broflanilide 9.5%SC can be used as an effective and ideal medicament to control P.xylostella and P.rapae Linne,and has a good application prospects.