]*>","")" /> Study on Using Mass-release Trichogrmma Chilonis to Control Helicoverpa Armigera in Cotton Field in Xinjiang
Xinjiang Agricultural Sciences

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Study on Using Mass-release Trichogrmma Chilonis to Control Helicoverpa Armigera in Cotton Field in Xinjiang

  • Received:2004-05-25 Revised:2004-05-25 Online:2004-05-25 Published:2004-05-25

新疆棉区利用赤眼蜂防治棉铃虫田间释放技术研究与应用

许建军;郭文超;姚举;吐尔逊;王泽鹏;哈米提;阿克旦   

  1. 新疆农科院植保所,新疆乌鲁木齐,830000;疏勒县农技推广中心,新疆疏勒,844200





摘要： 研究表明,螟黄赤眼蜂对新疆南部棉区棉铃虫的控制作用优于松毛虫赤眼蜂;田间放蜂量6×104～8×104头/667m2、放蜂点为3～6个/667 m2,螟黄赤眼蜂最高寄生率达51.49;,累计寄生率为18.67;～44.02;,平均寄生率30.36;,棉铃虫虫口减退率25.3;～64.2;,蕾铃被害减退率46.8;～76.8;,赤眼蜂对新疆棉田棉铃虫具有明显的控制作用;同时,持续放蜂田天敌数量明显高于化防田,表明持续放蜂生态效应显著.