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中油821属甘蓝型油菜中熟品种,系中国农业科学院油料所1976年春以苏早3为母本,以白油1号、云油7号、甘油3号、甘油1号和71—5等品种的复合杂交后代 F_1为父本进行杂交,经定向选育而成。该品种丰产性好,产量潜力大、抗病、抗倒、耐寒、旱、渍,生育期适宜,生育组成合理,适应性强。1987年8月湖北省已通过审定,目前在川、鄂、湘、赣、皖、豫、苏、浙等省已种植800多万亩;各地反映,中油821
Zhongyou 821 belongs to a medium-maturing variety of Brassica napus, which is a hybrid of Chinese Academy of Agricultural Sciences 1976 Spring Su-3 as the female parent, Baiyou 1, Yunyou 7, Glycerin 3, Glycerin 1 and 71-5 F1 hybrids were used as the male parent for crossbreeding. The variety of high yield and good yield potential, disease resistance, anti-down, cold, drought, stains, suitable growth period, reproductive composition, adaptability. In August 1987, Hubei Province passed the examination and approval. At present, more than 8 million mu have been planted in Sichuan, Hubei, Hunan, Jiangxi, Anhui, Henan, Jiangsu, Zhejiang and other provinces. Various localities have reported that 821