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橘小猫
2017-02-27, 3688 Views
橘小猫
叶子上似乎有白色的东西…是白粉病嘛?需要预防嘛?
叶子上似乎有白色的东西…是白粉病嘛?需要预防嘛?
叶子上似乎有白色的东西…是白粉病嘛?需要预防嘛?
叶子上似乎有白色的东西…是白粉病嘛?需要预防嘛?
叶子上似乎有白色的东西…是白粉病嘛?需要预防嘛?
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@sunnyzou 酱紫…我回去看看……
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@橘小猫 一般病害都先发生在叶片背面。比如白粉病,首先你会发现叶子不平整了,出现大波浪,然后白粉病再严重点,波浪的地方就会出现白粉了。
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@sunnyzou 白粉都在叶子背面嘛?
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你看看叶片背面
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