脱水蔬菜是石嘴山市惠农区农业生产的优势特色产业之一,番茄又是该区脱水蔬菜产业的主要加工品种。近年来,随着该区脱水蔬菜产业的逐渐壮大,番茄种植面积不断扩大。2007年种植面积达800hm2,占脱水蔬菜种植面积的29.9%。但是,同年番茄晚疫病发生面积达500hm2,造成产量损失 Dehydrated vegetable is one of the advantageous specialty industries of agricultural production in Huinong District, Shizuishan City. Tomatoes are also the main processing varieties of dehydrated vegetable industry in this area. In recent years, with the gradual expansion of the dehydrated vegetables industry in the area, the area planted by tomato has been constantly expanding. The planted area in 2007 reached 800hm2, accounting for 29.9% of the area planted with dehydrated vegetables. However, the same year tomato late blight occurred area 500hm2, resulting in loss of yield