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徐豆7号是江苏徐淮地区徐州农科所在1974年用徐豆1号作母本,美国品种克拉克63作父本进行有性杂交,采用系谱法选育而成的大豆新品种,1986年4月经江苏省农作物品种审定委员会审定通过,确定为淮北地区夏大豆推广良种。 (一)产量表现 1979～1982年所内连续四年鉴定结果,亩产149.5～168.8公斤,平均157.9公斤,比对照徐豆1号增产13.1～46.6％,平均24％,每年均居首位。
Xu Dou 7 is Xuzhou Agricultural Xuzhou in Jiangsu Province in 1974 with Xu beans 1 as the female parent, the US breed Clarke 63 as a male parent sexual hybrids, the use of pedigree breeding of new varieties of soybeans, 1986 April by the Jiangsu Provincial Crop Variety Approval Committee approved, identified as Huaibei summer soybean promotion varieties. (I) Production Performance The results of four successive years of identification in 1979-1982 ranged from 149.5 to 168.8 kg per mu, an average of 157.9 kg, an increase of 13.1 to 46.6% over the control Xuhuo 1 with an average of 24%.