含笑花出现黑斑发黄掉叶子的原因及解决方法

植物图片 2019-12-27 10:38

含笑花出现叶子黑斑、发黄、脱落等现象时，可能是土壤不适造成的，需要重新给其更换酸性土壤养殖，也可能是水肥不当导致的，首先需要将烂根处理掉，然后将含笑花出现栽植到土壤里，若是被病虫危害导致黑斑点发黄了，需要喷洒对应药剂。

含笑花出现黑斑发黄掉叶子的原因及解决方法

1、土壤不适

含笑花的叶子出现黑斑点、发黄、脱落的现象时，可能是土壤不适造成的，需要立刻给含笑花更换酸性的土壤，可以用田园土、腐叶、松针、有机肥混合做土壤，使含笑花能逐渐的恢复生机。

2、水肥不当

如果胡乱的给含笑花浇水施肥，使其根须在土壤里腐烂，这也是含笑花叶子黑斑点发黄掉叶子的原因之一，首先需要将烂根及时的剪掉，然后给其更换新的土壤出现养殖，等待逐渐恢复时再正常养护。

3、低温冻伤

含笑花的耐寒性不强，如果在冬季没有做好保暖措施，不小心被低温冻伤了，也会使含笑花的叶子发黄、叶子脱落，需要将冻伤的部分处理掉，然后将环境温度控制在5℃，避免情况更加养殖。

4、病虫危害

当含笑花不小心被病虫危害了，病虫会抵制含笑花吸收土壤里的养分，从而使含笑花叶子呈现黑斑、发黄，长时间不管还会使含笑花死亡，需要将含笑花搬移到通风的环境下，并需要适量的给含笑花喷洒对应的病虫药剂。

专题： 含笑花
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