蔬菜作物是一个庞大的植物群,蔬菜生产实行的是一种茬口紧凑、复种指数高、间套混作盛行的栽培制度,特别是近年来棚室栽培的迅猛发展,使蔬菜生产进入露地生产与保护地生产并举的阶段。这样,就在一年四季里,为害虫提供了良好的食谱和食料给源,为病原提供了适宜的寄主和繁殖环境。当前,病虫害的日趋严重化,已日益成为蔬菜 Vegetable crop is a huge flora. Vegetable production is a crop cultivation system with compact stubble, high multiplying index and intercropping. In particular, the rapid development of greenhouse cultivation in recent years has brought vegetable production into open production and protection The stage of production simultaneously. This provides a good source of diet and food for the pests throughout the year, providing the pathogen with a suitable host and reproductive environment. At present, the growing severity of pests and diseases has become increasingly a vegetable