Black rot, 溫度高、雨水太多、土壤偏酸所致。要剪枝,透光通風排水。噴石灰水或撒石灰或噴除黴劑。

來源: 2020-07-14 10:23:44 [博客] [舊帖] [給我悄悄話] 本文已被閱讀:

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