番茄产量高，群众喜食，是大同地区主要蔬菜栽培品种。但是蔬菜产品与种苗流通的日益频繁，连茬种植和保护地栽培的发展，又为蔬菜病虫害的滋生蔓延提供了条件。保护地积累了大量的菌源和虫源，春季开棚时给露地栽培蔬菜提供了菌源和虫源，造成各种病虫为害日趋严重。鉴于这些 Tomato yield is high, the masses like food, is the main vegetable cultivation in Datong. However, the circulation of vegetable products and seedlings is becoming more and more frequent. The development of continuous cropping and protective cultivation provides the conditions for the breeding and spread of vegetable pests and diseases. Accumulation of a large number of sources of bacteria and insects in the protected areas, open shed in spring to open-field cultivation of vegetables provided a source of bacteria and insects, causing a growing number of pest damage. In view of these