1. The temperature is too low: it is very suitable for high temperature and can not withstand the attack of low temperature. When the temperature changes from warm to low, the tissue of the leaves will be damaged, or the cold wind will blow, resulting in falling. Especially in the late summer to autumn, this phenomenon will become very obvious
2. Excessive nutrition: not depending on the specific growth of the plant, too much nutrition is applied, and the root of the plant cannot be absorbed, or the root can be burned directly. Also can make the edge of the leaf part hair scorch white, in the long run, the leaf touch also can fall.
3. Excessive water content: it has a very strong drought resistance. If water is applied to the basin in a short period of time, or some water is poured at intervals, it will make the basin soil very wet. Root has been living in such an environment, will rot, leaves touch will fall down
1. Take heat preservation measures in winter. Keep the temperature at about 15 ℃ to avoid being attacked by cold wind.
2. Stop fertilizing and add some water so that the fertilizer can flow out naturally.
3. Stop watering and put it in a place with good lighting and ventilation.
