论文部分内容阅读
如果因天旱或浇水疏漏,盆土过干,植株出现脱水,叶片凋萎,枝梢下垂现象,这时切不可浇灌,否则会引起叶子脱落。必须将它搬到阴凉处或室内,先向植株喷水,防止叶片水分继续蒸发,然后向盆内浇少量水,待叶片挺直再向盆土浇水。因植物受旱根毛已受损,吸水能力减弱,甚至停止吸水,有待新的根毛长出后才能吸水。如骤然浇水,必然导致植物体内细胞壁和原生质分离,使原生质受到破坏而死亡。●
If due to drought or watering omission, pentu too dry, dehydration plants, withered leaves, shoots hanging phenomenon, then must not be irrigated, otherwise it will cause the leaves to fall off. It must be moved to a cool place or indoors, watering the plant first to prevent the leaf water from continuing to evaporate, and then pouring a small amount of water into the bowl until the leaves are upright and watering the basin. Due to plant drought root hair has been damaged, reduced water absorption capacity, or even stop absorbing water until the new root hair grow to absorb water. Such as sudden watering, will inevitably lead to the separation of plant cell wall and protoplasm, the destruction of protoplasm and death. ●