Acta Agrestia Sinica

›› 2011, Vol. 19 ›› Issue (5): 880-883.DOI: 10.11733/j.issn.1007-0435.2011.05.028

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Controlling Methods of Mythimna Separata under Organic-production Forage

SONG Gao-xiang1, YANG Sheng-lin1, WANG Pu-chang2   

  1. 1. College of Animal Science, Guizhou Univerity, Guiyang, Guizhou Province 550025, Chian;
    2. Institute of Prataculture, Guizhou Academy of Agricultural Sciences, Guizhou Province 550025, China
  • Received:2010-12-31 Revised:2011-05-16 Online:2011-10-15 Published:2012-07-12

有机生产模式下牧草粘虫防治方法的初步研究

宋高翔1, 杨胜林1, 王普昶2   

  1. 1. 贵州大学, 贵州贵阳550025;
    2. 贵州省草业研究所, 贵州贵阳550006
  • 通讯作者: 杨胜林,E-mail:shenglinyang@126.com
  • 作者简介:宋高翔(1962),男,贵州贵阳人,研究方向为草地优化管理与生态重建,E-mail:songgaoxianga@139.com
  • 基金资助:
    贵州省科技厅国际合作项目(黔科合外G字(2009)700108号);贵州省农业攻关项目(黔科合NY字(2010)3045号)资助

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Abstract: To explore the controlling methods of Mythimna separata Walker under a forage organic producing mode,different treatments such as biological control(biopesticide BT),cultural control(immediately mowing),chemical control(pesticides deltamethrin and phoxim) were investigated using comparative experiments in five kinds of forage grass field.Results indicated that the adjusted controlling efficiency of Mythimna separata using biopesticide BT was 91.67%~98.59% which is similar to that using chemical pesticides.The adjusted controlling efficiency of cultural control(immediately mowing) was 52.78%~81.35%.Therefore,cultural control was in line with the criterion of organic agriculture and showed to be a practical method to pest control.

Key words: Mythimna separata Walker, Organic production, Forage, Preventive treatment

摘要： 为探索牧草有机生产模式下的粘虫(Mythimna separata Walker)防治,对有机牧草种植区和非有机牧草种植区的5种牧草,通过生物农药BT、农业防治即时刈割利用牧草和化学合成农药溴氰菊酯、辛硫磷处理,进行草地上的粘虫防治试验。结果表明:生物农药BT防效与常规农药校正防效无显著差异,校正防效达到91.67%～98.59%;其次为即时刈割利用牧草,校正防效达到52.78%～81.35%,该法与有机生产理念高度吻合,可作为有机牧草生产中首选的防治方法之一。

关键词: 粘虫, 有机生产, 牧草, 防治

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