康星杀蟑胶饵的连锁药效观察

目的：观察康星杀蟑胶饵对德国小蠊和美洲大蠊的连锁杀灭效果;方法：在灭蟑现场拾取中毒死亡的德国小蠊新鲜死虫(一次中毒),作为饵料,观察其灭效;结果：一次中毒的死虫能引起蟑螂二次中毒,其中,德国小蠊5d的死亡率可达100％,美洲大蠊8d的死亡率为100％;二次中毒的死虫还能引起蟑螂三次中毒死亡,其中德国小蠊8d死亡率可达55％,美洲大蠊8d死亡率为26．7％;结论：康星杀蟑胶饵有较好的二次杀蟑效果及一定的三次杀蟑效果,其更适合德国小蠊的防制。

Observation on the Chain Effect of Cockroack Gel Bait

Objective; Observe the chain efficacy of Kangxing cockroach gel bait.Methods:Collect fresh poisoned dead Blattella germanica(first toxicosis)in experiment field as bait to observe its killing efficacy.Results:The dead insects(first toxicosis)as a bait bring about second toxicosis,the mortality of Blattella germanica was 100% on out day; the mortality of Periplaneta americana was 100% on 8 th day; the mortality of Periplaneta americana was 26.7% on 8th day.Conclution:This gel bait have good second effect and some third effect to killing cockroach.