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由中国农科院果树研究所、农业部全国植保总站和中国农科院郑州果树研究所联合主持的“全国落叶果树病虫害发生动态及防治对策研讨会”,于1991年9月6日至10日在辽宁兴城召开。参加这次盛会的有21个省(区)、市的科研、教学、生产等部门的代表共192人。会议收到研究报告及经验材料共162篇。中国植物保护学会理事长黄可训教授
By the Chinese Academy of Agricultural Sciences Institute of fruit trees, the National Plant Protection Terminology Ministry of Agriculture and the Chinese Academy of Agricultural Sciences Zhengzhou Fruit Research Institute co-chaired the “National Deciduous Pests and Diseases Occurrence Dynamics and Prevention Countermeasures Seminar”, September 6, 1991 to 10 Xingcheng held in Liaoning. Attend this event there are 21 provinces (autonomous regions), the city’s scientific research, teaching, production and other departments of a total of 192 representatives. The meeting received a total of 162 research reports and experience materials. China Plant Protection Society, Professor Huang Kexun