近年来,随着外销硬果型番茄品种的推广,番茄灰叶斑病在息烽县一些番茄基地流行为害。由于该病是本地区新发展起来的病害,生产上缺乏有效的防治措施,造成番茄损失较为严重。2005年贵阳市的白云、息烽、修文等区、县番茄灰叶斑病相继发生流行。息烽县养龙司蔬菜基地种植的23.3hm2 In recent years, with the promotion of the export of fruit-type tomato varieties, tomato gray leaf spot disease in Xifeng some tomato base harm. As the disease is a newly developed disease in the region, there is a lack of effective prevention and control measures in production, resulting in more serious loss of tomato. In 2005, Baiyun, Xifeng and Xiuwen districts of Guiyang were endemic. Xifeng Yang Long Division vegetable base planted 23.3hm2