随着工农业生产的不断发展，化学农药的种类和数量不断增加，因而带来了严重的社会公害，寻求新的防病、除害的途径是目前急待解决的问题，微生物农药是解决这一问题的途径之一。我所从70年代开展了此项研究，成功地筛选出了广谱抗真菌农用抗菌素“660B”。现已投入工业化生产 With the continuous development of industrial and agricultural production, the types and quantities of chemical pesticides have been increasing, which has brought about serious public hazards. The search for new ways to prevent diseases and eliminate harmful chemicals is an urgent issue to be solved. Microbial pesticides are the solution to this problem One of the ways the problem. I conducted this research from the 70’s and successfully screened a broad-spectrum antifungal agricultural antibiotic “660B”. Has now been put into industrial production