石棉县位于川西南大渡河畔,细菌性花生青枯病早在七十年代就已存在,由于当时发生的面积较小而未引起足够的重视。到八十年代初,花生青枯病遍及全县绝大部分种植花生的乡村,发病地普遍减产30—50%,重者基本无收。该县低山河谷区近万亩粗砂地很适宜间作 Shimian County is located along the Dadu River in the southwest of Sichuan Province. Bacterial bacterial wilt disease existed as early as in the 1970s and was not given enough attention due to the relatively small area that occurred at that time. By the early 1980s, the peanut bacterial wilt spread throughout most of the county’s countryside where peanut was planted. The incidence of peanut diseases was generally reduced by 30-50%. The county low mountain valley nearly mu of coarse sand is suitable for intercropping