]*>","")" /> Preliminary Study on Dispersal Distance of Trichogramma Chilonis in Particular Field of Xinjiang
Xinjiang Agricultural Sciences

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Preliminary Study on Dispersal Distance of Trichogramma Chilonis in Particular Field of Xinjiang

HE Jiang;GUO Wen-chao;Turxun;XU Jian-jun   

  • Received:2005-02-25 Revised:2005-02-25 Online:2005-02-25 Published:2005-02-25

新疆特殊农田生态赤眼蜂田间自然扩散的初步研究

何江;郭文超;吐尔逊;许建军   

  1. 新疆农科院植保所,新疆乌鲁木齐,830000





摘要： 在新疆棉花、加工番茄等特殊农田生态环境和种植模式下,螟黄赤眼蜂(Trichogramma chilonis)在田间自然扩散呈现随距离延长、寄生卵量递减的趋势,螟黄赤眼蜂在棉田、玉米田和加工番茄田扩散有效距离为8～10 m,最远扩散15 m,田间温湿度和风向等环境条件对螟黄赤眼蜂田间扩散和寄生影响作用明显,田间温度偏高和相对湿度偏低不利于螟黄赤眼蜂的寄生,下风口螟黄赤眼蜂寄生率明显高于上风口.