“徐豆 8号”(原系号为“徐 840 2”)是江苏徐淮地区徐州农科所 1984年以“徐豆 7号”为母本、“徐 75 12”为父本进行有性杂交 ,并经过系谱法选育而成。该品种 1996年 4月经江苏省农作物品种审定委员会审定并定名 ,1998年 7月经全国农作物品种审定委员会审定 ,1999年被全国农 “Xu Bei No. 8” (formerly “Xu 840 2”) was founded in 1984 by Xuzhou Agricultural Science Institute in Xuhuai, Jiangsu province with “Xu Dou 7” as the female parent and “Xu 75 12” as the male parent Hybridization, and after pedigree breeding. The variety in April 1996 by the Jiangsu Provincial Crop Variety Approval Committee validation and naming, in July 1998 by the National Crop Variety Approval Committee validation, by the National Agricultural in 1999