康星杀蟑胶饵对旅客列车蟑螂的杀灭效果观察

Obser vation on the Efficacy of Kangxing Cockroach Gel Bait on Passenger Train

目的:观察康星杀蟑胶饵对旅客列车蟑螂的杀灭效果;方法:对南京至广州的1311/1312次旅客列车进行现场灭蟑试验;结果:施药前蟑螂密度各车厢平均为200只/15min,施药后1d,10节车厢共发现死蟑13416只,密度下降率平均为93％,5d后密度下降率在99％以上,15d后各车厢未见活蟑;结论:康星杀蟑胶饵对旅客列车灭蟑效果好,达到了有效控制的目的。

Objective; Observe the efficacy of Kangxing cockroach gel bait against cockroach on passenger train.Methods:Field experiment on passenger train 1311/1312 from Nanjing to Guangzhou.Results; Before using the gel bait,the density of cockroach was 200/15 min,and after the gel bait using,the 24 h density decreased by 93% and found 13 416 dead cockroach in 10 carriages; the 5 d density decreased by 99%,and no live cockroach was found after 15 d.Conclusion:The gel bait has good efficacy against cockroach on the train.