阿维菌素与高效氯氰菊酯适当比例混配后的联合作用 ,经室内毒力测定 ,所测试配方共毒系数的高值为16 1.91,表现明显增效。田间小区试验 ,复配剂 3%阿维·高氯水乳剂防治蔬菜蚜虫 ,每亩用药量 6 0毫升喷后 1、3、7天的防效分别为 86 .80 %、83.12 %、88.6 5 % ;亩用药 5 0毫升的防效分别达 10 0 %、10 0 %、98.30 %。 Avermectin and beta-cypermethrin mixture after the appropriate proportion of the joint effect of indoor toxicity measured by the formula Co-toxicity coefficient of the high value of 16 1.91, showing significant synergies. Field plot test, the compound 3% Avian high chlorine water emulsion control vegetable aphids, 60 ml per mu spray 1,3,7 days after spraying the control effect was 86.80%, 83.12%, 88.6 5 %; 50 ml of drug control efficacy were 100%, 100%, 98.30%.