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利用赤眼蜂治虫是我国广为应用而又有效的一项生物防治害虫措施,当前,如何长期保存赤眼蜂中间寄主卵乃是一个急待解决的技术问题,目前常用一般低温冷藏的方法尚达不到长期保鲜保质的要求,有关超低温保藏的研究,除苏联有用液氮冷冻麦蛾卵的报导外,尚无其他记载。我国近二年来已有浙江省余姚县森防站、吉林省农学院植保
The use of Trichogramma is a widely applied and effective biological control pest measures in our country. At present, how to preserve Trichogramma host eggs in the long term is an urgent technical problem to be solved. At present, No longer meet the requirements of long-term fresh-keeping and high-quality preservation. Studies on cryopreservation have not been reported except for reports of the use of liquid nitrogen to freeze the oat moth in the Soviet Union. Nearly two years ago, our country has Yuyao County, Zhejiang Province Forest Prevention Station, Jilin Agricultural College plant protection