凤尾竹叶子发黄怎么办

植物图片 2019-09-18 09:57

凤尾竹黄叶后要对症下药，强光晒伤要遮荫防晒，适量接受散射光照;肥料过多要稀释浓肥，之后多次少量施加薄肥;水少要补水，水多要控水;土壤板结或贫瘠要更换土壤，修根后重新进行栽种;病虫害影响则要喷药防治，使其健康生长。

1、遮荫防晒

凤尾竹喜阴，因此在接受强光直射会出现叶子灼伤发黄，要将其摆摆在阴凉干燥的区域进行养护，使其叶子慢慢在阴凉环境中恢复正常，之后让其适量接受散射光照，进行叶绿素的合成就好。

2、灌水稀释

如果由于施肥过多造成的凤尾竹叶子发黄怎么办呢，要灌入清水将盆土中堆积的浓肥进行稀释，之后等待凤尾竹将肥料吸收完以后，再对其多次少量的施加薄肥，为凤尾竹提供充分养分进行生长。

3、补水控水

凤尾竹由于缺水出现的叶子干枯发黄，则要对其及时补水，少量对叶子和土壤浇水，等其慢慢恢复后再正常浇水;水多造成的凤尾竹黄叶，则要将其积水排出后进行控水，促进其水分能够迅速蒸发。

4、更换土壤

土壤板结或者是其中蕴含的养分消耗殆尽，也会让凤尾竹的叶子出现发黄情况，要及时更换无用的土壤，对凤尾竹根部进行修剪之后，将其栽种在2分腐叶土、1份园土、1份河沙和1份砻糠灰混合的新土壤中即可。

5、病虫害防治

由于病菌侵袭出现的叶斑病，或者是由于红蜘蛛、介壳虫等危害出现的叶子发黄，则要将黄叶剪除，之后喷洒相应的杀菌或者除虫药液进行防治，让凤尾竹可以不受其危害，健康茁壮的进行生长。

专题： 凤尾竹
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