After entering autumn, if you find a diseased page, you must deal with the diseased leaves of the plant in time, and you'd better destroy it, so as to avoid the source of infection.
In order to strengthen cultivation management, it is better not to use nitrogen fertilizer preferentially, so as to achieve the balanced use of nitrogen and phosphorus fertilizers. In the aspect of watering, we should pay attention to avoid water accumulation in the soil. It is suggested that a small amount of watering should be done after the soil is dry. Maintain air circulation, do well in indoor ventilation, enhance the resistance of plants.