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蝴蝶兰在温室内长期单一栽培,如果管理不善、空气不洁、通风不良,使温室长期处于高温多湿的环境,就给病害发生及蔓延提供了条件,再加上密植栽培、低温多湿、光线不足、施用氮肥过多,会导致蝴蝶兰对病原菌的抵抗力下降,加重病害。
Phalaenopsis long-term single cultivation in the greenhouse, if not properly managed, the air is dirty, poor ventilation, the greenhouse in the high temperature and humidity environment for a long time to provide the conditions for the occurrence and spread of disease, coupled with close planting, low temperature and humidity, lack of light , Excessive use of nitrogen fertilizer, will lead to decreased resistance of Phalaenopsis pathogens, increasing disease.