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Position: Home > Articles > Studies on Developing Law and Controlling Technology of Janus piri Journal of Zhejiang Forestry Science and Technology 2001,21 (1)

梨茎蜂发生规律及防治技术研究

作  者:
刘永生
单  位:
孝感学院园艺系
关键词:
梨茎蜂;发生规律;防治
摘  要:
梨茎蜂1年发生1代,4月上、中旬为成虫产卵、为害高峰期,其中以4月8~12日为害最重,新梢危害率达25.5%。砂梨系统受害最重,危害率达24.7%。综合6个品种(系)的剪留长度集中在4~7cm。防治措施主要是人工剪除被害梢及在3月下旬成虫羽化期和4上旬成虫产卵为害高峰期进行药剂防治。
译  名:
Studies on Developing Law and Controlling Technology of Janus piri
作  者:
LIU Yong-sheng (The Gardening Department of Xiaogan College. Xiaogan 432100)
关键词:
Janus piri, developinglaw; control
摘  要:
Janus piri occures one generation every year.The first and sencond ten days of April are the period of ovipoistion of imago and the peak damage. Meanwhile,during the period between April. eighth and April twelfth, they endange trees most seriously,the damage rate of new-grown branch reach 25.5%And pear series are damaged the most seriously,which reach 24.7%.The length of branch of the six series must be left between 4 and 7cm,cutting the damage branch and spray pesticide at the last ten days of May during which mango will emerge and at first ten days of April during which the mango will spaw and damage the most seriously are the best controlling measure.

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