冬小麦新品种天选72号是以9591-3-2-2为母本，9728-6-2-1-2为父本进行有性杂交，采用系谱法多年选育而成。在2017 — 2019年甘肃省陇中片区域试验中，2 a折合产量6 231.60 kg/hm2，较对照品种兰天19号增产4.17%。该品种株高106.5 cm左右，穗长平均7.85 cm，千粒重46.2 g，容重807 g/L。籽粒含粗蛋白147.2 g/kg、湿面筋311 g/kg，沉降值32 mL。经接种鉴定，苗期对混合菌免疫，成株期对中4-1、条中34号、条中33号、条中32号、中4混合和混合菌全部免疫。主要适应于天水、陇南地区海拔 1 800 m以下旱地种植。

Tianxuan 72 is a winter winter wheat cultivar newly bred systematically by crossing with the parental combination of 9591-3-2-2/9728-6-2-1-2. The average yield was 6 231.60 kg/hm2 and 4.17% higher than of the control cultivar Lantian 19 which was conducted during the period 2017 — 2019 in Winter Wheat Regional Test of Longzhong district. In addition， the plant height is 106.50 cm， ear length is 7.85 cm， 1000-grain grain weight is 46.2 g， bulk weight is 807 g/L， seed crude protein is 147.2 g/kg， wet gluten is 311 g/kg and with settlement of value of 32 mL. By inoculating identification， the result showed that it was immune completely at the seeding stage and immune completely to Zhong 4-1，CY 34， CY 33， CY 32， Zhong 4 mixture and mixture race at the adult stage. It is suitable to plant at an altitude of 1 800 meters of Tianshui and Longnan arid region.

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甘肃省青年科技基金项目(20JR5RE633)；天水市科技支撑计划项目(2020-NCK-7944)。