桂花叶子干枯怎么急救

植物图片 2019-09-04 09:17

桂花叶子干枯之后需要马上更换酸性土壤，也可以选择腐叶土与沙土对半混合的土壤，最后浇上硫酸亚铁溶液，浇水时要选择流水灌浇的方式，可防止病菌的感染，将枯萎严重的叶子修剪掉，每天喷洒多菌灵水溶液。

1、更换土壤

若是土壤酸性不够便会直接影响到桂花的生长，这时需要更换土壤重新栽种，土壤最好是选择腐叶土及其沙土混合而成的土壤，更换完成之后，再将少量的硫酸亚铁溶液浇到土壤的表面，这样可以增加土壤的酸性。

2、经常通风

经常通风也是桂花叶子干枯怎么急救的一种方法，桂花叶子变枯之后需要保证良好的通风环境，切不可将其放置在封闭的环境中，同时不要向叶子进行喷水，要降低叶子的湿度。这样可以防止桂花叶子进一步的枯萎，同时也能改善干枯的现象。

3、流水浇灌

改变平时浇水的方式，将其改成流水灌浇或者是滴灌方式，这样可以减少病菌的传染，这时浇水一定不要过多，土壤表层只要潮湿即可，可以按照干透浇透的原则进行浇水，经过一段时间的缓和干枯现象便会得到改善。

4、修剪枯叶

将已经枯黄严重的叶子修剪掉，然后向叶子喷洒一定含量的多菌灵水溶液，每天喷洒一次，一个星期左右的时间桂花叶子便会得到改善，同时也会长出新的叶子，期间要配合以上所讲的几个条件进行养护。

专题： 桂花
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