兰花叶子发黄的原因分析和处理方法

植物图片 2019-09-23 09:41

兰花具有很高的欣赏价值，已经被很多人视为绿化房间的最好选择，但是兰花在生长过程中往往会出现叶子发黄的情况，这到底是怎么回事，又该如何治疗呢，下面我们一起来讨论一下。

兰花叶子发黄怎么办

兰花叶子发黄的原因分析和解决办法：

1、浇水过多造成 兰花叶子叶子发黄(水黄)： 这是出现概率比较多的一种情况，由于浇水没有分寸，认为浇水越多兰花长的越好，造成根部积水成涝，然后使叶子发黄。

解决办法：所以我们要按浇水要求，做到浇则浇透。

2、暴晒造成 兰花叶子叶子发黄(灼黄)：像兰花这种叶子很大的植被是很怕强光照射，强光会损伤叶子组织细胞，到时叶子发黄。

解决办法： 所以最好是放到有弱光的地方。

3、空气干燥造成 兰花叶子叶子发黄： 旱黄，由于长期没浇透水或脱水，新叶虽叶色正常，但下部叶子渐向上干黄脱落老化。。

解决办法：适量浇水，要时时观察天气情况，做到随天气浇水。

4、 兰花叶子施肥过多造成叶子发黄(肥黄)： 施肥过多就是俗称的“烧”苗，对兰花的生长极为不利，很容易造成兰花死亡，所以施肥并不是越多越好。。

解决办法： 这要适量施肥，按量施用。

5、 兰花叶子长期缺肥造成叶子发黄(缺肥黄)： 氮肥对于补充叶子的叶绿素具有很好的效果，如果兰花缺氮肥，也会造成叶子发黄。

解决办法： 这时适度施加氮肥即可。

6、病虫害造成 兰花叶子叶子发黄： 这个情况要仔细观察一下发黄部位的叶子，是否有虫子蚕食或者溃烂的情况。

解决办法： 如果有，那就是发生了病虫害，需要对症下药。

兰花叶子发黄怎么办

兰花叶子养护心得：

1、养花要专一

一开始喜欢上养花时候，看到喜欢的就买，最后多了，管理不过来，方法不得当，什么也养不好。后来明白了，要想养好花，就应该想明白到底自己喜欢哪一类型的，要稍加研究。不管什么花养好了，养出状态都好看。最后依据自己的喜好，一点一点积累，力争将每棵自己喜欢的花养好。其实人的一生时间是非常有限的，想要精通所有，追求十全十美是不可能的，所以我们要专一，不管在做什么，都要努力实现自己的目标。

2、养花要遵循自然规律

花有花的生长规律，有生长期与休眠期，有的花在春，秋生长，夏冬休眠;有的冬天长，夏天休眠;有的花喜阳，有的适荫，有的爱潮湿，有的宜干燥一些，也有的怕冷，有的却忌热，必须区别对待。如果你非常喜欢一盆花，天天看，天天摆弄，天天浇水，天天施肥，最后的结果只能是害了它。正确的方式是，尊重它的习惯，给它适合的盆，适合的土，适合的水，适合的肥，适合的阳光，适合的气温，不远不近的观望，它会生长得很好。唐朝著名的文学家、哲学家和思想家柳宗元的《种树郭橐砣传》有这样一句话：“顺木之天，以致其性”。意思就是要想让树木活得长久，长得茂盛，就必须注意树木的自然属性，依着它本性的需要让它充分发展;如果忽略树木的本性，再多的爱护，再多的忧虑也是徒劳。我们现在很多人养花(包括我自己)虽然也是呵护备至，却根本不知花之需要，浇水施肥完全随性而行。万物要顺应天性，这个道理很多人都知道，却甚少人去遵循。

3、养花要有一个好心态。

个人养花要把它当作闲暇时的一个爱好，不能作为一项事业来做(不包括开花卉店的)。由于并非人人都能养好花，即使是园艺师也不一定把所有的花都养好，所以养花要有一个好的心态。就拿观花的来说吧，即使养了很长时间也不开花，就算花儿养不成，不妨就养养叶也好，这绿绿的叶，何尝不创造好氛围。以我而言，我大致都是先买花，花谢了，如果来年开了，当然是非常高兴，如果不开，就继续淋水，促其长叶，叶长了，不摘除，任其绿一堆，不求万紫千红，只求郁郁苍苍，这样不是也挺好的吗?毕竟这也是我的一番劳动态度，自己看了舒心。

4、养花不要死搬硬套。 所有养花的技巧不要死搬硬套，由于同样的花，有的在南方栽种，有的在北方栽种，有的在室内，有的在室外。比如浇水：一要看季节和气温;二要看花盆的种类;三要看花的生长周期。

专题： 兰花
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