吊兰叶子发黄怎么办：原因及处理技巧

植物图片 2019-03-27 19:05

家庭中养殖的吊兰无端端叶子发黄了，为吊兰叶子为什么发黄？发黄了该怎么办呢？下面就让我们来处理这个问题吧！

吊兰叶子发黄

首先，我们来分析下吊兰的生活习性：

1，吊兰喜欢温暖湿润、半阴的环境，它适应性强，较耐旱，但不甚耐寒。生长适温为15-25℃，越冬气温为5℃。气温为20-24℃时生长最快，30℃以上停止生长。吊兰对气温有要求，大家在培育过程中要多加注意。

2，吊兰不择土壤，在排水良好、疏松肥沃的砂质土壤中生长较佳。吊兰对土壤要求不高。

3，吊兰对光线的要求不严，通常适合在中等光线条件下生长，亦耐弱光。当然也不能经常暴晒了。

吊兰叶子发黄的原因和解决办法

1、施肥不当：施肥过多引起叶子发黄，施肥超过了植株的需要量，开始时叶子光亮不平，后根系腐烂，叶呈黄色。

解决办法：应停止施肥，多浇灌清水，或翻盆把根洁净，更换新土。

2、营养流失：盆土中所含的各种营养元素已被耗尽，氮磷钾三要素也没及时补充，植株缺少养分，叶子出现黄薄现象。

解决办法：应及时换上肥沃的壤土和浇矾肥水。

3、阳光不足：吊兰虽属半阴性花卉，但每天最少也要见四小时以上的散光，否则叶绿素降低，叶子变黄。

解决办法：应每天抽出空闲的时间给把吊兰放置在阳光下沐浴几小时，但是不能过多的暴晒在阳光下。

4、盆土透气性和透水性不良：盆土长期积水不干，根系呼吸发生困难，造成叶子发黄。

解决办法：应及时松土和控制水分。五是长期浇一不透水。吊兰的根失水，下部老叶变为黄色。应浇透水，保持盆土温暖湿润。

生长良好的吊兰

吊兰养护小技巧：

冬天吊兰的养护方式：将其移到室内，每隔四天浇一次水，浇要浇透，最好选择在中午浇水，浇水时水温最在和气温一致。这样可以避免根部受冻，放置在室内应该经常清洗叶面。冬天以保持盆土稍微湿润为宜。室温保持在15～20℃，吊兰就可以正常的生长。

光照

吊兰喜半阴环境，春、秋天应避开强烈阳光直晒，夏天阳光特别强烈，只能早晚见些斜射光照，白天需要遮去阳光的50{bf}-70{bf}，否则会使叶尖干枯，尤其是花叶品种，更怕强阳光，金边吊兰在光线弱的地方会长得更加漂亮，黄色的金边更明显，叶子更亮泽。但冬天应使其多见些阳光，才能保持叶子柔嫩鲜绿。家庭盆养吊兰应将其置于南窗前，否则叶子会失去光泽，甚至枯萎。条件允许时最好每周将花盆向固定方向转动15°左右，确保吊兰下垂程度相同。

浇水

吊兰喜欢湿润环境，盆土易经常保持潮湿。夏天浇水要充分，中午前后及傍晚还应往枝叶上喷水，及时清洗叶子上的灰尘，以防叶干枯。但是，吊兰的肉质根能贮存大量水分，故有较强的抗旱能力，数日不浇水也不会干死。冬天5℃以下时，少浇水，盆土不要过湿，否则叶子会容易发黄。

施肥

吊兰是较耐肥的观叶植物，若肥水不足，容易焦头衰老，叶子发黄，失去观赏价值。从春末到秋初，可每7-10天施一次有机肥料液，但对金边、金心等花叶品种，应少施氮肥，以免花叶颜色变淡甚至消失，影响漂亮。可适度施用骨粉、蛋壳等沤制的有机肥料，待充分发酵后，取适量稀释液，每10-15天浇施一次，可使花叶艳丽明亮。

生长季节每两周施一次液体肥。花叶品种应少施氮肥，否则叶子上的白色或黄色斑纹会变得不明显环境气温低于4℃时停止施肥。

修剪

平时随时剪去黄叶。每年3月可翻盆一次，剪去老根、腐根及多余须根。5月上、中旬将吊兰老叶剪去一些，会促进萌发更多的新叶和小吊兰。 吊兰的根系相当发达，养殖一段时间后应及时更换花盆，以免根系堆积，造成吊兰黄叶，枯萎等现象。

吊兰不仅仅可供观赏，还可将室内的一氧化碳、二氧化碳、二氧化硫、氮氧化物等有害气体吸收干净，起到空气过滤器的作用，希望大家都能养出一片健康的好植物。

专题： 吊兰
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