水黄新梢顶端萎缩,嫩叶淡黄,老叶也渐暗黄。原因是长期渍水,土壤缺氧,部分须根腐烂。应速松土,停止浇水和施肥。旱黄新梢和新叶正常,下部叶片逐渐向上干黄脱落或枯焦。原因是长时间没有浇水或脱水,引起下部叶枝老化。应适量浇水保持盆土湿润。肥黄新叶肥厚有光泽,但凹凸不舒展,老叶渐黄脱落。应立即停 Shui Huang Shoot tip shrinking, tender leaves yellow, old leaves also gradually dark yellow. The reason is long-term waterlogging, soil hypoxia, part of the fibrous roots decay. Should loose soil, stop watering and fertilization. Dry yellow shoots and new leaves normal, the lower part of the leaves gradually dry yellow off or Kujiao. The reason is that there is no watering or dehydration for a long time, causing the lower leafy branches to age. Watering should be appropriate to maintain basin moist soil. Fat yellow new fat and shiny, but the bump is not stretch, the old leaves getting yellow off. Should stop immediately