1998年大同市日光温室、塑料大棚等保护地蔬菜栽培面积发展到5000亩,其中黄瓜种植面积占到总面积的70％,由于产品与种苗的流通,异常天气的出现,连年重茬种植,管理不当等原因,黄瓜发生病害种类越来越多,为害日趋严重,直接影响农民的收入。对 In 1998, Datong’s solar greenhouse, plastic greenhouse and other protected areas of vegetable cultivation area developed to 5000 acres, of which cucumber acreage accounted for 70% of the total area, due to the circulation of products and seedlings, the emergence of unusual weather, year after year stubble planting, management Improper and other reasons, the cucumber disease types are more and more serious damage, a direct impact on peasants’ income. Correct