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大连市旅顺农场牙户咀分场果园,由于土质瘠薄,苹果树长势普遍较弱,一般地段腐烂病发病率达40—60%,个别地段发病率达90%以上。为了防治苹果腐烂病,从1983年开始筛选防治药剂,1984年在434棵树900块病斑上进行“11371”抗生素防治试验,收到较好效果。1985年开始大面积推广应用,治愈率达96%,效果优于福美砷。“11371”发酵液是一种微生物农药,对植物低毒,不污染,无公害,使用安全,药源较广。我们使
Lushun branch in Dalian Lushun Tsui orchard, due to infertile soil, apple trees growing generally weak, the general incidence of rot disease 40-60%, the incidence of individual lots of more than 90%. In order to prevent and cure apple rot disease, from 1983 to start screening and prevention and treatment of agents, in 1984 in 434 trees 900 disease spots on the “11371” antibiotic prevention and control experiments, received good results. The large-scale popularization and application started in 1985, with a cure rate of 96%, which is better than Familia. “11371” Fermentation broth is a kind of microbial pesticide, which has low toxicity to the plants, no pollution, no pollution and safe use. We make it