浙江大学应用昆虫学研究所等单位协作承担的国家重点科技攻关项目—“生物因子控制十字花科蔬莱害虫的效能及其利用”，经过近４年的协作攻关，在对害虫寄生性天敌种类调查、大敌控害潜能和保护助增、害虫危害与作物生育期关系及复合行动阈值、生物农药控害作用和方式等主要生? Zhejiang University Institute of Applied Entomology and other units to undertake the national key scientific and technological cooperation project - “Biological Factors Control Cruciferae vegetables Pest efficiency and utilization”, after nearly 4 years of collaborative research in the pest parasitic natural enemy species Investigate the control potential of enemy predators and their protection, the relationship between pest damage and crop growth period and the threshold of compound action, the controlling role and methods of pesticide biopesticides, etc.