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省科委和省林业厅共同邀请省内外有关专家,于9月3日在新郑县召开了“枣缩果病防治研究验收及桃小推广鉴定会。1981年新郑县枣区缩果病大发生,损失红枣300万公斤,成为生产上急待决解的问题。经中国科学院微生物研究所分离、鉴定,枣缩果病病原为欧氏杆菌新种。自开展防治以来,采用了 DT、土霉素、链霉素、卡那霉素等药物喷洒,防效很好。如枣农马某157株枣树,防治前仅收枣1000公斤,防治后可收枣1750公斤,发病率仅为0.2%;赵某
Provincial Science and Technology Commission and the provincial Forestry Department invited the relevant experts both inside and outside the province, held on September 3 in Xinzheng County, "Jujube shrinkage prevention and control research and acceptance and identification of small peach promotion. 1981 Xinzheng County jujube shrinkage disease occurred , The loss of jujube 3000000 kilograms, become the production of the urgent solution to the problem by the Chinese Academy of Sciences Institute of Microbial isolation, identification, jujube shrinkage of the disease is a new species of Europaeus since the prevention and control, the use of DT, Prime, streptomycin, kanamycin and other drugs spraying, good control effect.As jujube agan a 157 jujube tree, before the control received only 1000 kg, prevention and control can receive jujube 1750 kg, the incidence rate was only 0.2 %; Zhao