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一、品种来源该品种系山西省农科院经济作物研究所于1980年以海94(紫花)为母本,早紫1号为父本杂交选育而成。原名汾豆14号,1990年元月,经山西省农作物品种审定委员会第16次会议审定,命名为晋豆12号。二、特征特性株高75—100厘米,分枝1—2个,茎秆粗壮、株型收敛;紫花、棕毛、无限结荚习性,荚褐色;种皮黄色、黑脐、椭圆粒,百粒重18.4—20.0克。晋豆12号是我省育成的第一个早熟高产大豆新品种,春播生育期为123—127天,夏播78—99天。抗旱性强。根据1987年国家大豆抗旱性鉴定结果,晋豆12号为2级抗旱。丰产。种植密度1.2万株,单株成荚35—40个,百粒重高。
First, the source of varieties The varieties of Shanxi Academy of Agricultural Sciences Institute of Economic Crops in 1980 to sea 94 (purple) as the female parent, as early as purple purple parental cross breeding. Formerly known as Fen bean 14, January 1990, approved by the 16th meeting of Shanxi Crop Variety Approval Committee, named Jin Dou 12. Second, the characteristics of the plant height of 75-100 cm, 1-2 branches, thick stalks, plant type convergence; purple, brown hair, unlimited pod habit, pod brown; seed coat yellow, black umbilical, oval, Weight 18.4-20.0 grams. Jin Dou 12 is the first bred in the province of early maturity and high yield of new varieties of soybean, spring sowing period of 123-127 days, summer sowing 78-99 days. Drought-resistant. According to the results of national drought resistance identification in 1987, Jin Dou 12 was Grade 2 drought relief. High yield. Planting density of 12000 plants, 35-40 pods per plant, one hundred high.