花卉叶面上的灰尘积多了,就会堵塞叶子上的气孔,影响花卉的正常呼吸,有碍其生理代谢,阻碍正常的光合作用,影响碳水化合物的合成,花卉会产生饥饿感,影响观赏效果。因此,有必要给花卉适时“洗脸”。给花卉“洗脸”的正确方法是:一手握住叶片,另一手用干净的脱脂棉或海绵蘸水轻轻擦拭叶面,不可用 The accumulation of more dust on the foliage of a flower will clog the stomata on the foliage and affect the normal respiration of the flower, hinder its physiological metabolism, hinder the normal photosynthesis, affect the synthesis of carbohydrates, the flower will produce hunger and affect the ornamental effect. Therefore, it is necessary to give flower timely “wash face ”. The correct way to give flowers “wash your face” is to hold the leaves in one hand and gently wipe the leaves with a clean, absorbent cotton or sponge,