冬小麦新品种武都21号是以97-4-6-2-1-3为母本，以引11-12为父本，通过有性杂交，系统选育而成。在2015 — 2017年陇南川区组区域试验中，平均折合产量6 357.0 kg/hm2，较对照品种兰天33号增产3.6%。在2017 — 2018年度生产试验中，折合产量6 661.5 kg/hm2，较对照品种兰天33号平均增产2.7%。全生育期246 d，株高76.75 cm，穗长8.5 cm，千粒重37.1 g。适宜陇南市半山干旱、半干旱区，徽成盆地及低半山河谷川台地区和天水市甘谷、清水等地种植。

Wudu 21 is a new winter wheat cultivar， was systematically bred by sexual hybridization with 97-4-6-2-4-3 as female parent and 11-12 as male parent. In 2015 — 2017， the average yield of Wudu 21 was 6 357.0 kg/hm2， which was 3.6% higher than the check Lantian 33 in Regional Trial of Longnanchuan district group. In 2017 — 2018， the average yield of Wudu 21 was 6 661.5 kg/hm2， which was 2.7% higher than the check Lantian 33 in the Production Trial. The growth period is 246 d， plant height is 76.75 cm， ear length is 8.5 cm， 1 000-grain weight is 37.1 g. It is suitable to be grown in mid-mountain arid， semi-arid area of Longnan City， Huicheng basin and Gangu， Qingshui and Tianshui City and other areas.

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陇南市科技局“陇南市冬小麦新品种选育”项目(2007-6-2-1-1)部分内容。