八十年代以来，我国辣椒疫病的发生日趋严重，尤其是北方地区。甘肃省甘谷县1988年发病面积5000多亩平均发病率34．95％，该县谢家坪村千亩辣椒田90％枯萎死亡。1989年陕西省75万亩辣椒田平均发病率249％。还有新疆、宁夏、北京、天津、河北等辣椒产区都严重发生。北方辣椒疫病 Since the 1980s, the occurrence of pepper blight in our country has become increasingly serious, especially in the northern region. GanGu County, Gansu Province in 1988 the incidence of an area of ​​5000 mu average incidence rate of 34.95%, the county Xie Jiaping village acres of pepper field 90% wilt death. In 1989, the average incidence of 75 million mu of pepper fields in Shaanxi Province was 249%. There Xinjiang, Ningxia, Beijing, Tianjin, Hebei and other pepper production areas are serious. Northern pepper disease