龙血树叶子下垂的原因及解决方法

植物图片 2019-09-10 09:34

龙血树是一种观叶植物，如果叶子除了问题，那它的观赏价值将会大大的降低。龙血树叶子下垂怎么办呢?首先要找到原因，通常都是由于养护不当造成的，比如光照不足、通风不良等问题，只要适度的改善，加强养护管理，龙血树的叶子很快就能恢复正常的。

一、龙血树叶子下垂的原因及解决方法

1、光照不足

龙血树的生长需要充分的光照，如果长期将其摆在没有光照的地方，就会让龙血树的枝叶徒长，叶子纤弱下垂，叶色黯淡无光颜色逐渐变浅。

【解决方法】：此时应该及时的给龙血树补充光照，但不要一下子就将其移到强光照射的地方，最好先摆在阳光散射充分的地方养护一段时间后，再移到温和的阳光直射下，这样循序渐进更容易让龙血树的叶子恢复正常。

2、通风不良

龙血树生长的环境需要良好的通风环境，如果长期处于封闭的环境中，不仅会出现叶子下垂的状况，还可能会引发各种病虫害，严重不利于植株的生长。

【解决方法】：应该先将植株移到阴凉通风的地方养护，等到叶子有了恢复的迹象，再将它移到通风向阳的地方，避免下垂发蔫的叶子由于光照而失水枯萎。

3、浇水过多

如果给龙血树浇水过多，让盆土长期湿润或者积水，则会造成龙血树的根系腐烂，植株就会出现颓败的状态，叶子自然也就会下垂了。

【解决方法】：在不小心浇水过量之后，要及时的进行排水，还可以将龙血树连根带土的从盆中取出，然后摆在阴凉通风的地方将土壤晾干，之后再重新上盆。

4、气温过低

在冬天的时候，如果龙血树所处的环境气温过低的话，也是会造成龙血树叶子下垂的。尤其是北方的冬天，如果不及时的保温，就不仅仅是叶子下垂了，而是发黄干枯了。

【解决方法】：这种情况下龙血树叶子下垂怎么办呢？此时不要一下子就将植株移到温暖的地方，要慢慢的升高气温，同时要减少浇水频率，保持盆土微微干润，等到适应环境后就能恢复的。

二、龙血树冬天养护的技巧

1、把控气温

龙血树不怎么耐寒的，气温过低的话可能会遭受冻害。冬天养殖的时候，最好将气温控制在10～20℃之间，气温不能低于10℃，如果长期处于低温状态的话，生长会出现颓势，叶子也会下垂，甚至会发黄干枯。

2、停止施肥

在过冬的时候一定要停止施肥，龙血树在冬天的生长非常缓慢，甚至会停止生长，如果在冬天施肥，这些养分基本上就不会被吸收，留在盆土中反而会造成烧根的状况。

3、减少浇水

在冬天的时候，要适度的减少浇水频率和浇水量，通常是10～15天浇一次水，让盆土保持微微的潮湿就可以了。龙血树在冬天对水分的需求量不高，气温过低蒸发量也低，如果浇水多了，很容易积水烂根的。

4、补充光照

龙血树喜光，冬天的时候光线比较弱，更应该增强光照，只有充分的光照才能让龙血树叶子更加的鲜艳。在室内过冬的时候，最好将龙血树摆在室内向阳的地方补光。

看完上面的内容，相信大家应该知道龙血树叶子下垂的原因了，最常见的原因就是光照不足了，在室内养护的时候经常会忘了这一点，一定要给龙血树充分的光照。

专题： 龙血树
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