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朝阳市苹果树主要病虫害调查及优化配套防治技术杨占才，花爱军，初文庭，郑奎祥，孙宝江，关培辅，霍启文（朝阳市植保站１２２０００）刘注明（辽宁省水土保持研究所朝阳１２２０００）朝阳市是我省苹果生产的重要产区之一。主要病虫是苹果树腐烂病，早期落叶病，山植叶...
Investigation on the Main Diseases and Pests of Apple Trees in Chaoyang City and the Optimization of Control Techniques Yang Zhancai, Hua Aijun, Chu Wenting, Zheng Kuixiang, Sun Baogang, Guan Peifu, Huo Qiwen (Plant Protection Station, Chaoyang City, Shandong Province 122000) Liu Yanming (Institute of Soil and Water Conservation, Chaoyang City, one of the important producing areas of apple production in our province. The main pests and diseases are apple tree rot disease, early deciduous disease, mountain plant leaves ...