缺乏光照，夏季如果将雅乐之舞放置到阴暗处养护，就会使得其出现掉叶的状况，需转移到通风散光处养护；浇水过多，浇水过多也会使得雅The leaf loss of Lezhi dance needs to be transferred to the ventilation of the ventilation, so that the water evaporates as soon as possible; exerting thick fertilizer, too much fertilizer concentration will also cause the leaves of Yale Dance to drop the leaves. Watering and diluted fertilizer.
1. Lack of light
Yale Dance has a large demand for light during the growth period. It is easy to fall off the leaves. Therefore, in the summer, the Yale dance can be transferred to the ventilated and cool astigmatism area for maintenance, and giving about 4 hours of astigmatism can meet its growth needs.
2. Excessive watering
In summer, the temperature is higher and the water evaporates rapidly, but it needs to be strict when maintaining the dance of Yale in summer. Controlling the amount of watering, too much watering can also cause the leaves of the Yale dance. Generally, wait until the soil is dry and white. When watering is too much, the Yale dance is needed to be transferred to the ventilation place in time, so that the water can evaporate as soon as possible.
3. Disease invasion
In a high temperature and humidity environment in summer, Yale Dance is easily attacked by white powder, and Yilezhizhi is after infection. Dance is prone to falling leaves. At this time, the serious leaves need to be trimmed and sprayed with a multi -bacterial solution for treatment. After a period of time, the condition of the leaves can be relieved.
4. Applying thick fertilizer
In the high temperature environment in summer, the growth rate of Ya Le dance is slow, and during this period, it will be in a short dormant dormant during this period. In the period, if the fertilizer is applied for the dance of Yale, the root system will be burned by the fertilizer, which will cause a large amount of leaves. At this time, a lot of water should be poured into the pot soil to dilute the fertilizer in the soil.