旅客列车春夏季蟑螂防治效果观察

Observation on the Effectivenesss of Killing Cockroach in Trains in Spring and Summer

目的:比较不同车型、车厢春夏季灭蟑效果;方法:用药激法调查施药前后蟑螂密度,计算杀灭率;结果:优质优价列车春夏季杀灭率分别为94.5％、87.3％,非优质优价列车春夏季杀灭率分别为93.7％、70.0％,硬卧车厢春夏季杀灭率分别为96.7％、87.3％;结论:优质优价列车春夏季杀灭率无大差异,非优质优价列车、餐车、硬卧、硬座车春季灭效均好于夏季。

Objective;To compare the effectiveness of killing cockroaches in different types and different cars in boosting-speed trains in spring and summer. Methods; Using chemical insecticides to investigate the density of cockroaches and count the killing rates. Results: The killing rates of oriental and high ticket price trains were 94.5% in spring and 95.4% in summer. The killing rates of low standard and low ticket price train were 93.7% in spring and 70.0% in summer. The killing rate in dining cars was lower than in other types of car. The killing rates of hard sleeping car were 96.7% in spring and 87.3% in summer. Conclusion :There is no obvious imparity in different seasons in high standard trains. The effectiveness of killing cockroach of low standard and low ticket price train is better in spring than in summer. It is the same in dining cars, hard seat cars and hard sleeping cars.