我国设施农业发展迅速。但由于保护地内光照不足 ,长期密闭 ,高温高湿等原因容易产生病虫害 ;并且棚室内缺少天敌 ,作物抵抗力下降 ,病虫害问题日趋严重。当前保护地农作物的病虫害防治工作 ,大都是照搬传统的、露天作业的防治方法 ,并不适合保护地的新环境 ,存在的问题较多。 China’s rapid development of facility agriculture. However, due to insufficient light in the protected area, long-term airtight, high temperature and high humidity and other causes of pests and diseases easily; and shed natural enemies of the enemy, crop resistance decreased, pest problems become more serious. At present, most pests and diseases prevention and control work of crops in protected areas are mostly based on the traditional methods of controlling open-air operations and are not suitable for the new environment of protected areas. There are still many problems.