论文部分内容阅读
在北方苹果园内的害螨以山楂叶螨(Tetranychus Viennensis Zacher)和苹果全爪螨(Panonychus ulmi Koch)为主,近年来发生严重,造成落叶,对苹果造成很大损失。这两种害螨已经对包括三氯杀螨醇、有机磷类、菊酯类多种杀螨剂产生了抗药性。近年来一些新型高效杀螨剂开始应用于苹果园害螨的防治,表现了突出的防治效果。为了对其进行在初效、持效等方面进行综合比较,我们于1996年在苹果园进行了几种高效杀螨剂防治苹果叶螨的田间试验,现将试验结果报告如下。
Pest mites in the apple orchards in the north are dominated by Tetranychus viennensis Zacher and Panonychus ulmi Koch, which have been severely damaged in recent years, causing deciduous foliage and causing great losses to apples. Both of these pest mites have become resistant to various acaricides, including dicofol, organophosphorus and pyrethroids. In recent years, some new high-performance acaricides began to be used in the prevention and treatment of apple orchard mites, showing outstanding control effect. In order to carry out their initial effect, persistence and other aspects of a comprehensive comparison, we conducted in 1996 in the apple orchard several efficient acaricides against apple spider mite field trials, the test results are reported below.