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徐州21号是我所用冬性大粒品种濮农3665作母本、春性抗锈品种U·P301作父本进行杂交,经多年选育而成的小麦新品种。1986年江苏省农作物品种审定委员会审定通过,可在淮北北部地区中上等肥力条件下作中晚茬种植。
Xuzhou 21 is the winter wheat variety PuNong3665 used as the female parent, spring rust resistant varieties U · P301 as the male parent for crossbreeding, after years of breeding of new wheat varieties. In 1986, Jiangsu Province Crop Variety Approval Committee approved, can be in the northern region of Huaibei middle and upper fertility conditions for middle and late cropping.