设施蔬菜是设施农业的重要内容,由于设施栽培周年生产、多年连作,病菌无需越冬、种群数量逐年积累;加之冬、春季节设施环境低温、高湿和寡照的特点,一方面为病原菌的生长、产孢和传播创造了有利条件,另一方面却不利于蔬菜作物生长,导致蔬菜生长势弱、抗性差。本文分析了设施蔬菜病虫害防治问题。 Facilities Vegetables are an important part of agricultural facilities. Due to the annual production of facilities and cultivation for many years, the bacteria do not need to wintering and the number of the population accumulates year by year. Combined with the low temperature, high humidity and low light of the facilities in winter and spring, on the one hand, Sporulation and transmission have created favorable conditions, on the other hand is not conducive to the growth of vegetable crops, resulting in weak growth of vegetables, poor resistance. This article analyzes the control of plant pests and diseases.