黑豆果是加工高档饮料、酿制高档果酒和制作果糖、果酱的优质原料。然而黑豆果白粉病日趋严重,发病株丛率高达100％,一般减产10—50％,有的黑豆园由于白粉病的危害而濒临绝产。黑豆果苗木白粉病更为严重,往往使扦插苗失去使用价值。为了解决这一问题,自1983年以来,我们选择了国内外生产的对白粉病有效的十几种杀菌剂,通过 Black bean is the processing of high-end drinks, brewing high-end wine and fructose, jam quality raw materials. However, the incidence of black bean powdery mildew is getting more and more serious. The incidence of the disease is as high as 100% and generally 10 to 50%. Some black bean plants are on the verge of abortion due to the harm of powdery mildew. Black bean seedling powdery mildew is more serious, often lose the value of the cuttings. In order to solve this problem, since 1983, we have selected a dozen fungicides that are effective against powdery mildew produced both at home and abroad and passed