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一九七九年以来,在省生物防治研究协作组和省农业厅的积极组织下,全省先后有九个地市,十五个县开展了主要粮食作物害虫天敌的资源调查。调查结果,认为本省天敌资源十分丰富,如能加以保护利用,无疑对减少农药用量、降低生产成本、开展综合防治有着重要的意义。一、害虫天敌资源状况。据金华、缙云、嘉善、瑞安、三门、临海、富阳等县24个单位的统计,三年来,共采
Since 1979, under the active organization of the Provincial Collaborative Research Group on Biological Control and the Provincial Department of Agriculture, nine prefectures and 15 counties in the province have conducted resource surveys on natural enemies of major food crops pests. According to the survey results, it is believed that natural enemies in this province are very rich in resources. If they can be used for protection and utilization, they will undoubtedly play an important role in reducing pesticide consumption, reducing production costs and carrying out integrated prevention and treatment. First, the pest natural resources situation. According to Jinhua, Jinyun, Jiashan, Ryan, Sanmen, Linhai, Fuyang counties 24 units of statistics, three years, a total of mining