杂草的生物防治,在一些先进国家和地区发展相当迅速。很多项目已经取得令人满意的效果。杂草的生物防治和杂草天敌的调查,在我国很早就有人重视和研究。某此项目在大面积范围内推广应用,获得经济效益。但就多数而言,仍属零星观察阶段,离开实际应用还有很大距离。1985年4月由中国农业科学院生物防治研 The biological control of weeds has developed quite rapidly in some advanced countries and regions. Many projects have achieved satisfactory results. The biological control of weeds and the investigation of weed and natural enemies have long been valued and researched in our country. Some of this project in a large area to promote the use of access to economic benefits. However, for the most part, it is still a sporadic observation stage and there is still a long way to go before it is practical. April 1985 by the Chinese Academy of Agricultural Sciences Institute of Biological Control