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ping guo zao chun guan li ji shu yao dian
Author(s): 
Pages: 62
Year: Issue:  1
Journal: Deciduous Fruits

Abstract: 防治病虫害.①腐烂病,3月下旬至开花期前后是防治最佳期,刮除病斑至正常组织1cm,立即选涂绿保丹、菌毒清、石硫合剂原液或20%以上的浓盐水.彻底清理刮下的病皮屑并销毁.②轮纹病,早春刮治枝干轮纹病斑,轻轻刮去隆起的瘤状病斑,至正常组织附近,立即涂抹绿保丹或菌毒清或石硫合剂原液等药剂.果实套袋,防止轮纹病菌侵染.套袋前喷2遍具内吸作用的杀菌剂如甲基托布津等.
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