兰花叶子尖发黑怎么办

植物图片 2020-04-09 10:03

兰花叶子尖发黑后要结合原因进行处理，强光晒伤要进行遮荫防晒，空气干燥要喷水补湿增加湿度，浇水过多要进行控水处理，3～5天浇水一次，低温冻害要控制气温在15～25℃之间，施肥不当要稀释肥液并勤施薄肥使其正常生长。

1、遮荫防晒

兰花在遭受强光直射以后会使其叶子尖出现晒伤发黑的情况，要及时将兰花搬到阴凉通风的位置养护使其慢慢恢复健康，随后再对其进行散光养护，避免因缺光再出现发黑情况。

2、喷水补湿

空气过于干燥造成兰花叶子尖发黑怎么办才好，需要拿喷壶在空中不时的喷水，将空气湿度增加，从而让兰花的叶子尖不再由于湿度不足出现发黑情况。

3、控制浇水

浇水过多也会造成兰花的根部腐烂出现叶子尖发黑情况，要将盆土中的多余水分排出，保持土壤处于适合的湿润度，3～5天浇水一次，让兰花正常吸收水分进行生长。

4、增温防寒

冬天气温过低造成缺乏很好耐寒性的兰花，受到冻害影响出现叶尖发黑以后，要将其摆在室内增加气温，保持室温在15～25℃左右，避免其受冻生长不良。

5、合理施肥

兰花在生长过程中施加的肥料过多过浓也会让其出现烧根现象，叶子尖开始发黑。要浇水稀释肥液，并将根部进行处理，随后再薄肥勤施合理进行养分补充即可。

专题： 怎么办 兰花
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