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冬枣绿盲蝽越冬卵毒力测定与田间防治试验 被引量:6

Toxicological test to Lygus lucortum Meyer-Dur's over winter eggs and field control tests
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摘要 通过室内和田间试验,比较了13种不同农药对冬枣越冬卵杀伤力的差异,筛选了3种对冬枣绿盲蝽越冬卵具有较好杀灭作用的农药。室内试验结果表明:在13种农药中,对越冬卵具有较好杀灭效果的有敌敌畏、敌百虫和氰戊菊酯,敌敌畏杀卵效果较好,为75.56%,其次为氰戊菊酯和敌百虫,防治效果分别为71.24%、59.09%。而大田试验,各种农药的杀卵效果较差,氰戊菊酯效果较好,500倍、1000倍处理杀灭率仅为32.42%、22.57%;其次为敌百虫200倍液,杀灭率为21.13%。因此必须采取多种方法才能有效控制绿盲蝽的危害。 13 differents of pestcides' killing abilities to Lygus lucortum Meyer--Dufs over winter eggs were compared in laboratory and field trial. 3 differents of pestcides were screened which had the better effect to kill Lygus lucortum Meyer--Dur's over winter eggs. The indoor experiment indicates that: In the 13 differents of pestcids, dichlorovos trichlorphon and fenvalerate had better killing effect to the eggs. The control efficacy of dichlorovos was 75.56%, then fenvalerate and trichlorphon, the control efficacy were 71.24%, 59.09% respectively. All kinds of pestcides had poor effect to kill the eggs in field trial. The control efficacy of fenvalerate which was added water 500,1000 times were 32.42%,22.57% respectively. Then the control efficacy of triehlorphon which was added water 200 times was 21.13%, So various methods must be taken to control the L ygus lucortum Meyer--Dur's.
出处 《山东林业科技》 2008年第3期32-33,共2页 Journal of Shandong Forestry Science and Technology
基金 基金项目:冬枣棉花绿盲蝽生物生态学特性及综合防治技术的研究
关键词 冬枣绿盲蝽 越冬卵 毒力测定 防治效果 Lygus lucortum Meyer--Dur's over winter eggs toxicological test control efficacy
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