Abstract: This study compared the agronomic traits,production performance,nutritional quality and feed value of six naked oat (A. nuda) varieties,to select suitable oat varieties for production and utilization in the Tao river irrigation area of central Gansu province,The results showed that there were significant (P<0.05) differences in agronomic traits,group morphology,production performance,nutritional composition and feeding value of six naked oat varieties from different sources.The average plant height of Caoyou 1 was 125.5 cm,its actual lodging rate was highest,the fresh grass and hay yield were respectively of 36 835.1 kg·m^-2 and 6 733.6 kg·m^-2. The seed yield of ‘Yanke 2’ was 1 811.2 kg·m^-2,which was the lowest and lodging resistance. The neutral detergent fiber and acid detergent fiber of ‘Yuanza 2’ were the highest at 62.2%,35.5% respectively. The seed yield of the highest with 3 382.5 kg·m^-2,but the relative feed value was 91.60. The relative forage value and forage quality of ‘Caoyou 1’ are the highest,being 123.33 and 173.45 respectively. ‘Caoyou 1’ were suitable for producing forage grass in this area,‘Yuanza 2’ was suitable for producing seeds in this area,‘Dingyou 8’ was suitable for both grain and feeding. Through grey correlation analysis and comprehensive evaluation,it was found that the production performance and nutritional quality of ‘bayou 3’ performed best.

Key words: Nake oat, Tao river irrigation region, Production performance, Feed value, Evaluation

摘要： 本试验对6个裸燕麦（A.nuda）品种的农艺性状、生产性能、营养品质及饲用价值进行了比较，以期筛选适宜甘肃中部引洮灌区生产利用的燕麦品种。结果表明：6个裸燕麦农艺性状、群体形态、生产性能、营养品质及饲用价值之间存在显著差异（P<0.05）。‘草莜1号’平均株高125.5 cm，实际倒伏率最高，鲜草与干草产量分别为36 835.1 kg·m^-2，6 733.6 kg·m^-2；‘燕科2号’抗倒伏，种子产量最低，为1 811.2 kg·m^-2。‘远杂2号’种子产量、中性洗涤纤维和酸性洗涤纤维最高，分别为3 382.5 kg·m^-2，62.2%和35.5%，但相对饲用价值最低，为91.60。‘草莜1号’相对饲用价值和饲草品质最高，分别为123.33和173.45。灰色关联度分析综合评价得出‘草莜1号’适宜在该地区生产饲草，‘远杂2号’适宜在该地区生产种子，‘定莜8号’适宜粮饲兼用，生产性能和营养品质‘坝莜3号’表现最优。

关键词: 裸燕麦, 引洮灌区, 生产性能, 饲用价值, 评价