一次性滞留喷洒奋斗呐对蟑螂及家蝇灭效观察

Study on the Fendona Effect of Killing Cockroach and Housefly

选择蟑螂及家蝇密度较高、环境相一致的饮食店或住户,用浓度为0.05％的奋斗呐水溶液,按30ml/m^2剂量,对蟑螂及家蝇栖息场所进行一次性滞留喷洒。结果显示第一天蟑螂密度下降57.49％,第14～35天均达100％。灭家蝇持效期达60天后,RPI值为7.91。可见该药对蟑螂及家蝇具有很好的击倒作用和灭杀效果,而且药效残留期较长,具有推广使用价值。

Food and drink shops or households were chosen with higher density cock roaches and houseflies and similar surrounding. 0. 05% Fendona water solution was used to spray the cockroach and housefly's habitat for one time. The close is 30ml/m2. The result shows that the descent rate of cockroach's density is 57. 4% in the first-day and the rate is 100% from the fourteenth day to the thirty-fifth day. The RPI is 7. 91 while the keep efficiency period reaches sixty days to kill houseflies. It is found that the drug has good knocking down and killing efficiency to cockroach and housefiy. The vestigital poeriod of the drug's effect is longer. Used this drug is valuable.