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湖南省双峰县金溪公社广大贫下中农,遵照毛主席关于“中国应当对于人类有较大的贡献”的教导,为了解决番薯黑斑病烂薯的问题,用10—15ppm 的放线酮处理薯苗、种薯,防治番薯黑斑病,试验面积由1969年一个生产队至1970年扩大到三个大队十八个生产队。实践证明:放线酮是防治番薯黑斑病的一种良好农药,不仅不烂薯,而且还有促进种薯发芽多,
The majority of poor and middle peasants in Jinxi commune, Shuangfeng County, Hunan Province, complied with Chairman Mao’s teaching on “China should make greater contribution to human beings.” In order to solve the problem of rotted sweet potato with black spot disease, treatment with 10-15 ppm of putrescine Potato seedlings, seed potatoes, prevention and control of sweet potato black spot, the test area from 1969 a production team to 1970 expanded to 18 production teams of three brigades. Practice has proved that actinomycetes is a good pesticide against sweet potato disease, not only not bad potato, but also to promote more seed germination,