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shan zuo hong zhi zhu dui you ji lin sha chong ji de kang yao xing ce ding
Author(s): 
Pages: 33-38
Year: Issue:  1
Journal: Acta Entomologica Sinica

Keyword:  有机磷杀虫剂山楂红蜘蛛抗药性测定山植红蜘蛛抗性强度使用次数抗性种群防治效果石硫合剂昌黎县;
Abstract: It was found that the hawthorn spider mite Tetranychus viennensis Zacher in many old fruit orchards of Hopei Province was resistant to Parathion and Systox,and also showed resistance in different degree to some other insecticides such as DDVP,OMPA,1240,Trithion,Roger,Methylparathion,Malathion,Sumithion,etc.For practical controlling the resistant strains Akar-338,lime-sulfur solution,Chlorophenamidine and Kelthane are still effective.Some methods to prevent or to delay the development of resistance in this spider mite are suggested.
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