甘蓝型双低冬油菜新品种天油14号为天水市农业科学研究所以华双4号为母本、甘白油菜为父本杂交，后代经轮回选择育成的油菜新品种。在2014 — 2016年甘肃省冬油菜区域试验中，2 a 9点(次)折合平均产量2 964.75 kg/hm2，比对照品种甘杂1号(折合平均产量2 769.15 kg/hm2)增产7.06%，田间生长势强，抗寒耐旱，高产稳产。籽粒芥酸质量分数0.67%、硫苷质量分数29.20 μmol/g，含油率为43.10%。适宜在甘肃省陇东南半干旱、二阴山区及同类型生态区域种植。

Tianyou 14 is a winter rapeseed (Brassica napus L.) cultivar with parental combination of Huashuang 4/Ganbai rape, bred by Tianshui Institute of Agricultural Sciences. The average yield in the 2014 — 2016 Gansu regional test is 2 964.75 kg/hm2， 7.06% higher than that of the check Ganza 1 (2 769.15 kg/hm2) in 9 plots in two years. Tianyou 14 grows strong in field， with good cold resistance， drought tolerance and， high and stable yield. The seeds have an erucic acid mess fraction of 0.67%， glucosinolate mess fraction of 29.20 μmol/g and oil content of 43.10%. It is suitable to be grown in semi-arid and semi-humid chilling area in the south-east of Gansu and other ecological areas.

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甘肃省科技支撑计划项目“陇东南强冬性优质甘蓝型油菜新品种选育及示范”(1604NKCA066)。