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Position: Home > Articles > Control effects of several methods against Cryptorphynchus lapathi L. Hebei Journal of Forestry and Orchard Research 2009,24 (1) 63-66

杨干象几种防治方法的效果对比

作  者：
许国民;王树国;贾喜棉
单  位：
衡水市园林局;承德市滦平国有林场管理处金沟屯林场;滦平县林业局
关键词：
杨干象;防治方法;应用效果
摘  要：
对杨干象的几种不同防治方法的防治效果进行对比试验调查,找出杨干象的操作简便、效果最佳的防治方法,更好地指导杨干象的防治工作。结果表明:采用2.5%溴氰菊酯350 mL加10 kg废机油混合制剂硬毛刷点涂蛀入孔和排粪孔,然后薄膜封缠蛀蚀干部的方法防治杨干象,药效持续时间长,防治效果较好,被害杨树伤口愈合较快。其次是注射2.5%溴氰菊酯350 mL加10 kg水混合制剂防治方法,适合幼虫期的杨干象防治,防治效果表现最佳。刀针锥刺法在滦平县最适合在5月上中旬的幼虫期,对表皮相对光滑坚硬的杨树树种进行杨干象防治,防治效果较好。杨干象成虫防治在成虫始化期采取2.5%溴氰菊酯350 mL加10 kg废机油混合制剂涂毒环阻隔法防治效果较好。
译  名：
Control effects of several methods against Cryptorphynchus lapathi L.
作  者：
XU Guo-min1,WANG Shu-guo2,JIA Xi-mian3 (1 Jingoutun Tree Farm,State-owned Forest Center of Chengde City,Luanping 068252,China;2 Forestry Bureau of Pingquan County,Hebei Province,Luanping 068250,China;3 Gardens Administration of Hengshui City,Hengshui 053000,China)
关键词：
Cryptorphynchus lapathi L.;control method;effect of application
摘  要：
Experiments with different methods to control Cryptorphynchus lapathi L.were conducted,and the control effects were compared in order to find out the most effective control way against the pest.Results showed that applying the preparation of 350 mL of 2.5% decamethrim with 10 kg motor oil to the bore holes and feces holes using scrub brush and then covered with plastic film resulted in good control effects;and the control effect by applying the preparation of 350 mL of 2.5% decamethrim with 10 kg of water ranked the second,which was found more effective to control its larvae.The control method of stabbing the tree bark with needles was found more effective in the first to the second ten-day period of May.As for the control of its adults,spreading rings on the tree bark with the preparation of 350 mL of 2.5% decamethrim with 10 kg motor oil in the beginning of eclosion showed good control effects.

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