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问花
2018-03-29, 2915 Views
问花
新手请大神解答,我的木工海棠的桩为什么近跟处会枯叶失去生机,黑圈处。是不是稍部的太旺盛了?
新手请大神解答,我的木工海棠的桩为什么近跟处会枯叶失去生机,黑圈处。是不是稍部的太旺盛了?
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@sunnyzou 谢谢,那该怎么办呢?会不会感染别的枝干?
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剪掉病枝,伤口用酒精消毒涂上百菌清或者凡士林。喷洒1%波尔多液,或75%百菌清800倍液或者高锰酸钾1500倍液
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像枝枯病。其他枝条都正常,突然某一枝条叶子全部叶片干枯下垂,枝枯干瘪。你的是这个过程就极可能是枝枯病
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