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芦荟叶子上长小黑点是怎么回事

更新时间: 2020-08-19 00:00:00     

芦荟叶子长黑点的原因如下:

1、芦荟叶子切口滴落的汁液呈黄褐色,当遇空气氧化时会变成小黑点;

2、芦荟缺钾时,叶子上会出现小黑子;

3、芦荟浇水过多,叶片上将会出现小黑点。

芦荟生命力十分旺盛,极其好养,其生长特性是喜阳光,但怕烈日直照,喜湿润,但忌积水,耐高温、怕严寒。

关键词: 叶子 黑点 怎么 回事

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