绿萝叶子长黑斑是怎么回事？4个方法教你解决

植物图片 2020-01-12 23:25

绿萝时我们日常生活中常见的种绿色观赏植物，绿萝叶子叶子饱满，颜色富有光泽，形状也非常的可爱，摆在家里看起来生机勃勃，特别的养眼。但是我们却在绿萝的日常养护中，经常会发现绿萝的叶子上冒出点点黑斑。绿萝叶子长黑斑是怎么回事呢？

一、绿萝叶子长黑斑的4个解决方法

绿萝的叶子是绿萝最具有观赏价值的一个部分，如果它的叶子上长出了黑斑，那观赏性可是大打折扣了。那么绿萝叶子长黑斑是怎么回事呢？通常绿萝叶子长黑斑主要是由于叶斑病、空气不流通、气温过低三个原因造成的，我们就可以针对不同的原因找出不同的解决办法。

1、叶斑病

叶斑病是绿萝最常见的病虫害，通常我们在一夏天的时候最容易遇见这种病害，发病初期绿萝的叶子上就会出现一些水渍状的褐色斑点，然后慢慢地就变成了黑色斑点，那碰到这种情况我们花友可是非常着急的。

解决办法：其实也不必太过焦心，我们只需要把已经受到病害的叶子剪掉，然后喷洒20{bf}络氨铜锌水剂400倍液就可以杀死病害，而且防止病害再次发生。

2、空气不流通

平时有很多花友把绿萝买回家了，然后就摆在一边疏于管理，殊不知绿萝也要适合的环境下才可以长得枝繁叶茂，如果我们把它放到了经常不通风的地方，这样绿萝就处于一个长期封闭的状态也会使叶子上出现一些黑色的小斑点。

解决办法：其实绿萝的生存也需要经常换换空气环境，不然长期接触不到新鲜的空气对生长不利。我们可以经常把它放到通风的地方养护，这样就不会由于空气不流通造成叶子长黑斑了。如果气温过低就移到室内，由于空气太低对绿萝的生长也是不利的。

3、气温过低

不知道花友们有没有发现，我们在冬天养殖绿萝的时候确实非常头疼，经常会出现绿萝叶子发黄，或者叶子长黑斑的问题，那么这个时候绿萝叶子长黑斑是怎么回事呢？其实也就是气温过低，绿萝的冻伤了叶子就会出现黑斑了。

解决办法：冬天我们养殖绿萝的时候确实必须留意，由于绿萝是一种特别怕低温的植物，尤其是北方，早晚温差较大，所以我们就一定要把绿萝摆在气温稍微高一点、稳定一点的地方，这样也能保证绿萝被突如其来的低温冻伤。

4、光照原因

相信养过绿萝的朋友都知道，绿萝是一种怕强光的植物。但是我们还有一些花友就认为，植物都需要光照，不然怎么进行光合作用。那么绿萝受到了强光照射，就会出现黑斑。但是我们也不能把它摆在完全阴凉的地方，那样也会产生霉变，叶子也会长黑斑。

解决办法：那么我们就只有通过掌握好光照来解决这个问题，我们在夏天的时候可以早上把绿萝放到阳台上照射一点轻微的散射光，过一会儿就拿到阴凉通风的位置。冬天气温低的话就白天就放到外面晒太阳，下午气温过低就移进室内就可以避免黑斑了。

二、绿萝汁液有轻微毒素

我们在家里养殖绿萝，当时是希望绿萝的作用能给我们的家庭环境带来好处。可是经常会听到有些人说绿萝有毒，那这个可是非常令人害怕的，很多人都在家里养殖绿萝，有毒的话不是会带来很多不好的事情，那么绿萝是真的有毒吗？

确实，绿萝是有毒素的，就像滴水观音一样，它们都属于天南星科，他们的汁液都含有轻微的毒素，但是对这些我们是可以完全放心的，由于我们平常也不会故意把绿萝的汁液去弄出来，只是平常种植或者处理病叶的时候带上手套就可以了。

三、绿萝放家里好处多多

看到说绿萝有毒，所以很多花友都害怕把它养在家里。对于这个问题，其实完全不用担心，对于汁液毒素的问题是完全可以避免的。而且绿萝摆在家里好处可是很多的，它是一个不得多的的净化空气的好帮手，还可以作为观赏。更重要的是，绿萝的叶子捣碎后对于我们平时的跌打损伤有良好的止痛消肿的作用。

而且绿萝的繁殖性也很强，这点在它的花语上完全可以体现出来。绿萝的花语是“坚韧善良，守望幸福”，摆在家里也是寓意着主人的善良品行，及其守护着一家人的幸福的寓意，这点也是非常美好的。

通过上文的介绍，相信大家都知道了绿萝叶子长黑斑是怎么回事，及其避免绿萝叶子长黑斑的办法，希望大家都可以养出美丽的绿萝。

专题： 绿萝
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