一、品种来源。晋汾7号系山西农科院经作所1972年用钴60咖码(γ)射线辐射晋汾52干种子,经连续单株选育而成。二、产量表现。1989年在山西交口、汾阳大面积种植,千亩平均亩产250公斤以上,最高亩产400余公斤,比当地长农10号增产10.5～45.3%,在汾 First, the source of variety. Jinfen 7 Department of Shanxi Academy of Agricultural Sciences by the Institute in 1972 with 60 cobalt code (γ) radiation Jinfen 52 dry seeds, the success of single plant breeding. Second, the production performance. At the junction of Shanxi Province in 1989, Fenyang was planted over a large area with an average yield of more than 250 kg per mu and a maximum of 400 kg per mu, a yield increase of 10.5 to 45.3%