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青岛花生田昆虫群落多样性及主要害虫与天敌发生动态分析

Chinese Journal of Oil Crop Sciences(2020)

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Abstract
花生害虫严重危害青岛花生生产.本研究对该地区花生田昆虫群落多样性及主要害虫和天敌发生动态进行分析,结果表明:青岛地区昆虫种类丰富,群落结构较为稳定,天敌种类较为丰富.花生田主要地上害虫为花生蚜、西花蓟马、花生须峭麦蛾、斜纹夜蛾;主要天敌为异色瓢虫、龟纹瓢虫、大灰优蚜蝇、东亚小花蝽、卷叶蛾绒茧蜂等共48种;三年发生动态结果表明:花生蚜与其天敌昆虫发生具有明显的相关性,西花蓟马天敌昆虫对西花蓟马的控制力不强,天敌昆虫对花生须峭麦蛾和斜纹夜蛾具有一定的控制力.该结果可为田间害虫防控提供理论基础.
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