近几年,随着种植业结构的调整,三樱椒因其生产投资少、见效快、耐储运、效益高而越来越受农民重视,种植面积逐年扩大,到2004年,许昌市种植面积已达7000hm2。2004年因夏季降雨量大等原因,三樱椒疮痂病大面积严重发生。据调查,病田率100%,病株率95%,70%的田块叶片脱落严重,植株生 In recent years, with the adjustment of planting structure, Sanzao pepper has been paid more and more attention by peasants because of its less investment in production, quicker effect, resistance to storage and transportation, and its planting area has been expanding year by year. By 2004, planting in Xuchang The area has reached 7000hm2. In the summer of 2004, a large amount of summer rains, three cherry scab disease occurs in large areas. According to the survey, the disease rate of 100%, 95% of diseased plants, 70% of the leaves of leaves off seriously,