茉莉花叶子发黄怎么办

植物图片 2021-06-06 11:18

因浇水不当导致黄叶：应控制水量，保持盆土湿润不积水。因施肥不当导致黄叶：应及时换盆，之后保持勤施薄肥的习惯。光照温度原因：将茉莉花放置在阳光散射光照充足的地方进行养护。冬季：保持在10-15℃左右。

浇水不当

浇水过多过少都可导致茉莉花叶子发黄。浇水过多时，表现为嫩叶无光泽，老叶无太多变化，新枝逐渐萎缩，停止生长；浇水过少，会使老叶从上而下逐渐掉落，但新叶正常生长，养分供应不足，遇到以上现象，应当注意浇水量的适宜，保证盆土湿润，不可积水。

施肥不当

茉莉花的施肥也很重要，施肥过多导致新叶颜色变为褐色，老叶逐渐发黄枯落；施肥过少会使植物的根须罗作一团，得不到养分的吸收，导致叶片变黄，遇到以上情况，应当及时对茉莉花进行换盆，平时薄施勤肥，保证植物的正常养分供应。

土壤原因

土壤也是导致叶子发黄的重要因素，茉莉花的土壤应当选用酸性的土壤，如果土壤呈弱碱性，会导致叶片从黄转绿，甚至脱落，应当使用酸性的营养土进行养护。

光照和温度原因

茉莉花是喜光照和温暖环境的花卉，因此要将茉莉花放置在阳光散射光照充足的地方进行养护，夏季高温炎热，不可直接暴晒在阳光下，注意室内同分及降温，盆土不能过于干燥或湿润，否则容易导致盆株叶子发黄，枯萎。

冬季黄叶

冬季养护不当也会导致茉莉的叶子发黄，茉莉花冬季应当放置到室内进行养护，要注意室内的温度最低不可低于3℃，最好保持在10-15℃左右，叶子就会很少发黄枯萎。

专题： 茉莉花
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