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1.本省安吉县东风林场连续六年应用白僵菌防治松毛虫的生产实践以及放菌和养蚕的实际试验证明:用白僵菌防治松毛虫,即使放菌的松林相邻桑园和蚕室,都未发现松毛虫的白僵菌和家蚕的自僵病有因果关系。东风林场六年来用5万余斤自僵菌粉防治了4万余亩次松林内的松毛虫,防治效果在75-90％以上。周围蚕桑社队距林地300-1000公尺,未见农民的家蚕因林场放了白僵菌而发生白僵病。余杭县长乐林场和鄞县天童林
1. Anji County, Dongfeng Forest Farm for six consecutive years the application of Beauveria bassiana prevention and control of pine caterpillars production practices and the actual test of antibacterial and sericulture proved: Beauveria bassiana prevention and control of pine caterpillars, , None of the Beauveria bassiana and the silkworm had been found to have a causal relationship. Dongfeng Forest Farm with more than 50,000 kilograms of self-bactericidal powder in the past six years to control more than 4 acres of pine caterpillars secondary pine, prevention and control of more than 75-90%. Around the sericulture community 300-1000 meters from the woodland, no peasant silkworms put Beauveria bassiana due to forest farm and white stiff disease. Yuhang County Changle Forest Farm and Yinxian Tian Tonglin