果园主要杀螨剂对苹果全爪螨的毒力测定

Toxicity Testing with Main Acaricides in orchard to Panonychus ulmi koch

本文采用玻片浸渍法和浸叶碟法，选用近年来在生产上推广应用的７种主要杀螨 剂，对苹果全爪螨的雌成螨和卵进行了毒力测定。结果表明：对雌成螨的毒性依次为阿维菌素＞螨即死＞霸螨灵＞扫螨净＞三唑锡；杀卵活性依次为螨即死＞螨死净＞尼索朗＞阿维菌素＞扫螨净。

The toxicity to adult females and eggs of Panonychus ulmi were tested with main acaricides used in recent years by both slide dip method and leaf disk dip method. The results showed that the toxicity to adult females indicated abamectin> magister>fenproximate>pyridaben> azocyclotin, and the toxicity to eggs was magister>clofentezine>hexythiazox>abamectin> pyridaben.