茶花叶子发黄是什么原因，茶花叶子中间一条黄

植物图片 2021-02-06 13:27

导致茶花叶子发黄的原因有很多。如果是因为光照太强，需要将它移到半阴处养护。如果是因为温度太低，需要给它进行保暖，可以在上部套上塑料袋。如果是因为浇水太多，需要及时将水分排出，并且松土通风。如果是因为肥料太浓，需要给植株脱盆，用剪刀修剪根部后，用新土重栽。

一、光照太强

茶花是长日照植物，但同时还是半阴性花卉，对于这种植物而言，光照既要充足，又不能太强，不然叶子就会因灼伤而变黄。在它的生长期，要把植株放到半阴环境中，让它接受散射光即可。到了秋季，为了促进花芽分化，每天光照时间要不低于12个小时，冬季也要长时间受光，以免生长不良。

二、气温太低

茶花除了极少的品种可以耐寒外，大部分都很怕冷，一旦受冻很容易影响植株发育，导致叶子变黄。冬季要把植株及时放到室内温暖处，温度保持在10-15℃之间，如果低于5℃，要在植株上部套上袋子保暖。

三、浇水太多

茶花喜湿润，但浇水太多会影响根部的呼吸，还会影响它的吸收能力，从而使叶子发黄。平时浇水一定要注意水量，不要浇的太多，而且不要用自来水直接浇灌，先要把它晾两天，等氯气挥发后再用。如果盆土中有积水的话，需要第一时间排出，保持良好的通风，适当松土，加速水分的蒸发。

四、肥料太浓

茶花虽然很喜肥，但如果施肥过量，或者用的肥料浓度太高，一样会烧坏植株的根系，影响其发育，叶子也会变黄。这种情况需要及时的进行脱盆，把植株取出后去掉根部的旧土，用剪刀将烧伤的根须剪除，喷洒多菌灵后放到阴凉处，等到伤口干燥了再重新上盆。

专题： 茶花
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