洋桔梗叶子发黄怎么办

植物图片 2021-05-14 11:34

前段时间，朋友送给小编盆洋桔梗。一直以来小编自认为照顾的很细心，通风浇水都可谓尽心尽力。可是这两天却发现洋桔梗的叶子有点发黄，这可真是把小编愁坏了，于是赶紧向朋友求助。下面小编就把洋桔梗叶片到底为什么发黄和简单的解决办法分享给大家。

一、虫害：

说道叶子发黄，相信很多人和小编一样认为是害虫所致。这时我们要先检查下洋桔梗植株上有没有虫子。如果有，那么就“对症下药”，选择相应的药物处理；如果植株上没有发现害虫，也可能是地下病虫搞的鬼。对于这种情况，大面积种植的朋友可以在浇水之前在地里撒一些沙子药。如果家里盆数较少，也可以换一盆新的土，试一试哦。

二、缺水：

洋桔梗的生长对土壤的水分要求比较高，太干或者太湿均不行。有的朋友在浇水时只做“表面功夫”，即只淋湿土壤表面，而并没有完全浸润土壤。这种情况也可能导致洋桔梗叶子发黄。

三、温差：

如果您的洋桔梗此前是在温室里种植的，那么不用担心，叶子发黄只是由于它需要适应一下温差，过一段时间就恢复正常了。

四、缺肥：

洋桔梗叶子发黄还可能是肥料不足引起的。肥料充足的情况下，洋桔梗叶子的尖端是向上翘的，看起来也比较挺拔，很有长势。而缺少肥料，则会导致植株没有精神。因此，在施肥前一定要保证土壤湿润，土太干的话会影响肥料的释放。

在这里给大家一个小贴士：一般家庭里种洋桔梗，会选择泥炭，可是泥炭种植很容易导致洋桔梗缺钙。如果不想购买含钙肥料的话，把鸡蛋壳洗净、晾干并压碎后撒在土壤里也能起到肥料的效果。

专题： 洋桔梗 桔梗
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