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防治大青叶蝉可减轻苹果树腐烂病的发生王隆生(山东省沂水县职业中专276400)幼龄苹果园中,由于间作蔬菜等作物,大青叶蝉危害较严重。经对比调查表明:凡受大青叶蝉为害的苹果树,其腐烂病的发生也比较严重;易遭大青叶蝉为害的品种(如红富士),腐烂病发生亦重...
Prevention and treatment of green leafhopper can reduce the occurrence of apple tree rot disease Wang Longsheng (Yishui County, Shandong Province Technical Secondary School 276400) Young apple orchard, due to intercropping vegetables and other crops, green leafhopper more serious harm. The comparative survey shows that: Any apple tree damage by the green leafhopper, the occurrence of its rot disease is more serious; susceptible to green leafhopper damage species (such as red Fuji), rot disease also heavy ...