长期没浇水的盆花造成萎蔫怎么办?
长期没浇水的盆花造成萎蔫怎么办?当盆花漏浇水,引起嫩枝低垂、叶片萎蔫等,应及时补充土壤水分,但不可立即浇大水,因为花卉萎蔫时,根毛遭到了损害,吸水能力降低,只有形成新根毛后才能恢复原来吸水能力。
同时萎蔫使细胞失水,遇水后细胞壁先吸水,迅速膨胀,原生质吸水,膨胀速度缓慢,这样就会造成质壁分离,损伤原生质,导致植株死亡。
因此盆花在久不浇水,开始恢复时,初期浇水量宜小,以后逐渐加大,并向叶面喷少许水,把花盆放在半阴处,茎叶恢复挺拔状态后,逐渐增加浇水量。
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