兰花叶子尖发黑怎么治

植物图片 2020-02-12 10:34

兰花叶子尖发黑可能是因为光照过强、浇水施肥不当或土壤缺少养分，这时要根据不同的情况采取不同的措施，光照过强可以适当的给植株遮阴;浇水施肥不当就控制好浇水施肥的量，每次浇水时打湿土壤即可;土壤缺少养分可以及时的更换土壤。

兰花叶子尖发黑的治疗方法

1、适当遮阴

长期将兰花放置在强光下植株叶子就会发黑，那兰花叶子尖发黑怎么治呢，这时需要适当的给植株遮阴，同时可以往空气中喷水，增加空气湿度，等植株适应后叶子就会恢复正常。兰花对光照的需求量不大，平时可以将兰花放置在室内半阴通风处养殖。

2、控制浇水

兰花的根系很脆弱，如果掌握不好浇水的量，导致土壤中有积水，就会使兰花叶子尖发黑，这时需要停止浇水，并将土壤的水分排出，之后叶子就会自动恢复。平时养殖兰花时可以按照见干见湿的原则给植株浇水，每次浇水尽量不要留积水。

3、合理施肥

平时给兰花施肥要控制好量，如果施肥的量过多会发生肥害，导致植株叶子尖发黑，这时最好的解决办法就是换盆移植。换盆时注意不要弄伤植株的根系，之后需要将根系腐烂的地方修剪掉，等根部水分蒸发后，就可以重新上盆种植了。

4、更换土壤

如果长时间不更换养殖的土壤，土壤中养分不够，就会导致兰花叶子尖发黑，这时需要及时给兰花换土。兰花喜欢在疏松、透气的土壤中生长，因此更换的土壤可以将腐叶土、园土、珍珠岩混合配制，换土时加一半的新土即可。

专题： 兰花
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