从农业害虫体内提取病毒,用病毒感染这类害虫,使病毒大量增殖,再从染病死亡的虫体中分离提纯病毒,加工成病毒生物农药大面积防治该害虫,既不污染环境,又可有效灭杀害虫,已在我国科学家手中变成现实,并得到 Virus from agricultural pests in vivo, with the virus infection of such pests, the virus a large number of proliferation, and then died from infection died of virus isolation and processing, processing into a large area of ​​biological pesticide virus pest control, neither pollute the environment, but also effective Killing pests has become a reality in the hands of our country’s scientists and has been achieved