4种方法对餐馆德国小蠊的杀灭效果观察

目的观察4种方法对餐馆德国小蠊的杀灭效果。方法1号餐馆选用滞留喷洒加杀虫热烟雾剂处理;2号餐馆选用滞留喷洒加烟雾弹处理;3号餐馆选用烟雾弹加胶饵处理;4号餐馆选用胶饵加毒饵处理。结果1号餐馆10 d后杀灭率为96.56%,20 d后为93.30%,30 d后为84.13%。2号餐馆10 d后杀灭率为92.99%,20 d后为91.75%,30 d后为83.30%。3号餐馆10 d后杀灭率为84.89%,20 d后为95.68%,30 d后为97.94%。4号餐馆10 d后杀灭率为93.18%,20 d后为95.16%,30 d后为97.06%。结论4种灭蟑方法中,烟雾弹加胶饵处理法、胶饵加毒饵处理法灭蟑效果较好,具有长效杀灭功效,既能取得良好的灭蟑效果,又能降低灭蟑成本,是一种易于推广的方法。

Efficacy of four methods for killing Blattella germanica in restaurants

Objective To observe the efficacy of four methods for killing Blattella germanica in restaurant.Methods Dealing with No.1 restaurant using residual spraying and hot smoke method;dealing with No.2 restaurant using residual spraying and smoke grenade method;dealing with No.3 restaurant using smoke grenade and gel bait method;dealing with No.4 restaurant using gel bait and poison bait method.Results The killing rate at No.1 restaurant was 96.56% for 10 days,93.30% for 20 days and 84.13% for 30 days.At No.2 res...