文竹发黄怎么挽救

植物图片 2021-04-15 11:50

文竹发黄，需要根据原因采取措施挽救：若是浇水失当导致的，需要科学的进行浇水；若是被阳光直射导致的，需要将它放到散光照射的位置；若是温度过低导致的，需要将之调至15-25℃；若是施肥不当导致的，需要科学的进行施肥。

1、科学浇水

原因：浇水过多会使根部呼吸不畅、发生腐烂，导致叶子发黄；当然，浇水不充足也会使文竹缺水而叶子发黄。

方法：需见干才浇，每次浇透，但是不要有积水。

2、散光照射

原因：它较喜半阴的环境，如果阳光直射会刺激到它，使叶绿体受损而发黄。

方法：需注意适当的增加湿度，将植株放置在散光照射的位置。

3、调整温度

原因：文竹发生冻害会导致代谢缓慢，叶子发黄。

方法：需将室温尽量保持在15-25℃，植株就会渐渐活过来。

4、适当施肥

原因：施肥过多会导致土壤的酸性较强，植株的根部受到损害，施肥过少会使土壤中的营养物质吸收锅盔啊，导致植株营养不良。

方法：选用文竹专用的肥料并且控制用量，可以多施氮钾肥，促进枝叶生长。

5、转移危险源

原因：中毒、病虫害、火、电视辐射等也会导致它发黄。

方法：可以将危害源转移，进行消毒灭菌等处理，将黄叶剪除，必要时可以将枝条全部剪取，只留基部。

专题： 文竹
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