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杀虫环是一种防治农作物害虫的新型杀虫剂。本文研究了该药对湖北钉螺的杀灭作用及其对鱼类和植物的毒性。 在平均室温23℃的实验室条件下,用2ppm杀虫环浸杀3天的钉螺死亡率为100％;在平均气温22.5℃下,现场用2.5ppm浸杀2天和3天的钉螺死亡率均为100％,并有杀螺卵作用。在平均气温15.2℃
Insecticidal ring is a new type of insecticide against crop pests. This paper studied the killing effect of this medicine on snails in Hubei and its toxicity to fish and plants. Under the laboratory conditions of average room temperature of 23 ℃, the mortality of snails dipped for 3 days with 2ppm insecticidal ring was 100%; at the average temperature of 22.5 ℃, 2.5ppm was used to kill the snails for 2 days and 3 days respectively All 100%, and kill spiro egg effect. The average temperature of 15.2 ℃