绿宝叶子发蔫怎么回事？绿宝叶子发蔫的原因及解决方法

植物图片 2020-01-15 08:29

绿宝树是一种常见的观叶植物，但在养护的时候绿宝叶子发蔫怎么回事呢？造成这种情况的原因通常都是养护不当，主要以浇水、施肥不当，光照不足及其病虫害造成的。在找到原因后要及时的对症下药，此外还需要合理正确的养护，绿宝树的叶子才会变得苍翠有力。

一、绿宝叶子发蔫的原因及解决方法

1、浇水不当

浇水不当的情况分为两种，一种是浇水过多，会造成盆土积水，久而久之根系就会腐烂，从而造成绿宝树叶子发蔫。如果长期不浇水，造成盆土干旱，叶子会由于失水而出现发蔫的状态。

【解决方法】：浇水过多就要及时的排水，将盆土中多余的水分排出，还可以直接植株连土带盆的取出，摆在阴凉的地方晾干后再上盆。盆土干旱就要及时的补水，浇水浇透不能浇半截水，保持土壤稍微湿润。

2、施肥不当

在施肥过多的时候，土壤的肥力过剩气温会升高，出现烧根的现象，由于根系无法正常的吸收水分和养分，叶子自然就会发蔫了。如果土壤长期营养不足，那就会造成绿宝树植株生长不良，叶子也会出现发蔫的情况。

【解决方法】：在施肥过多后，要及时的浇水稀释土壤中的肥力，如果实在严重的话那就重新更换盆土。如果土壤长期营养不良，那就要注意施加一些肥料，定期的换盆换土，保持土壤肥力充分而不过盛。

3、光照不足

绿宝树的生长需要充分的光照，但是盆栽的绿宝树一半都养在室内，室内的光线较弱，是很难满足绿宝树的正常生长的，长期在荫蔽的环境下生长，绿宝树的枝叶会徒长，叶子也会没有精神而发蔫的。

【解决方法】：先将绿宝树移到阳关散射充分的地方适应光照，然后再将其移到温和的阳光直射下补充光照，等到它完全适应环境后就可以放养了。一定要循序渐进，如果将长期荫蔽的绿宝树猛地移到强光直射下，很容易造成叶子大面积脱落的。

4、患病虫害

在高温高湿且通风不好的环境下，绿宝树很容易就会感染病虫害，常见的有叶斑病、蚧壳虫等，这些病虫害不仅会造成绿宝树的叶子发蔫，还会引发叶子掉落。

【解决方法】：在发现病虫害之后，一定要及时的清理遭受病害的枝条，然后及时的喷洒药剂进行防治，如果是叶斑病就喷洒多菌灵溶液防治，蚧壳虫就喷洒氧化乐果溶液防治。

二、绿宝树的养护方式

1、土壤适合

知道了绿宝叶子发蔫怎么回事，其养护的方式更好注意了。绿宝树喜欢在是疏松肥沃的土壤中生长，在配制盆土时要有良好的排水性和透气性，可以用草炭土、珍珠岩和蛭石来配置，也可以用腐叶土与河沙混合配制，在配制的时候可以在土壤中加入一些有机肥料当作基肥。

2、适量浇水

绿宝树喜欢比较湿润的环境，比较害怕干燥，除了浇水保持盆土稍微湿润之外，还需要经常给绿宝树植株喷水保湿，这样更有助于植株的生长。四季浇水并没有特别的规律，等到盆土开始发干的时候就浇，浇水就要浇透，所以在养护的时候要多多观察盆土的情况。

3、光照适合

绿宝树喜光能够稍微耐一点荫蔽，在养护的时候最好能够给它充分的光照，但是在夏天的时候，最好不要让绿宝树受到强光的直射，避免灼伤叶子。冬天在室内过冬的时候，最好将植株摆在室内向阳处补光。

4、把控气温

绿宝树喜欢温暖的环境，白天适合它生长的气温在18～21℃之间，在夏天气温过高的时候，最好将其移到阴凉通风的地方养护度夏。在冬天的时候，室内养护的气温最好在10℃左右，更有助于植株的生长。

5、合理施肥

绿宝树的生长速度是比较快的，在生长期需要有充分的养分，才能让它保持良好的长势，可以每隔半个月施加一次稀薄的肥水，肥料以氮磷钾复合肥为主，施肥的时候不要将肥液溅到叶子上，否则会造成灼伤。

看完上面的内容，相信大家应该知道绿宝树叶子发蔫的原因，只要适度的浇水施肥，给它充分的光照，就能保持叶子油绿精神。

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