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Volume 18 Issue 5
October 2003
    Citation: YIN Kun—shan, CHEN Hua—cai, TANG Mei-jun, GUO Hua—wai, XIAO Qiang, YAO Hui—ming. Studies on Application Techniques of EoNPV Preparations .VIROLOGICA SINICA, 2003, 18(5) : 492-495.
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    Studies on Application Techniques of EoNPV Preparations

    • 1.

      Tea Research Institute ofChineseAcademy ofAgricultural Sciences,Hangzhou 310008，China

    • Available online: 05 October 2003
    • Abstract：Ectropis obliqua nucleopolyhedrovirus(EoNPV)infects tea looper Ectropis obIiqua speci— tically．The application techniques of EoNPV preparations were studied in this paper．It was suggested that the optimum applied periods were 1～ 2 instar larvae of the 1st，the 2nd，the 5th and the 6th generation．The control efect was over 98％ with the usage dose of 75 x 10 150 x 10 PIB／ha． Picking out spraying or surface spraying was more economical，although the amount of dilution water, sprayers，spraying methods did not affect the control efect significantly．
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      Studies on Application Techniques of EoNPV Preparations

      • 1. Tea Research Institute ofChineseAcademy ofAgricultural Sciences,Hangzhou 310008，China

      Abstract: Abstract：Ectropis obliqua nucleopolyhedrovirus(EoNPV)infects tea looper Ectropis obIiqua speci— tically．The application techniques of EoNPV preparations were studied in this paper．It was suggested that the optimum applied periods were 1～ 2 instar larvae of the 1st，the 2nd，the 5th and the 6th generation．The control efect was over 98％ with the usage dose of 75 x 10 150 x 10 PIB／ha． Picking out spraying or surface spraying was more economical，although the amount of dilution water, sprayers，spraying methods did not affect the control efect significantly．

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