中文摘要：

对23个不同燕麦（Avena sative）品种（系）在江苏扬州地区的适应性进行评价比较,测定并分析了与适应性相关的物候期、生长速度、叶茎比、草产量等相关性状。结果表明：供试品种的农艺性状对当地的适应性均较好,生育期为199～210d。对9个性状进行主成分分析,得到累积贡献率为84.706%的5个主成分因子;对各个品种（系）综合得分分析表明,杂叶307的综合得分最高,其干草产量和干鲜比最高,单株分蘖数和株高方面也表现较好,为供试品种（系）中最适合在扬州地区种植的品种。

英文摘要：

Selected agronomic characters related to the adaptability of 23 different oat varieties in Yangzhou,Jiangsu Province including phenological phases,growth rate,leaf/stem ratio and yield were investigated.Results show that all tested varieties had good adaptability to local environment after a 199 to 210-day breeding period.Principal component analysis of nine characters related to adaptability indicated that the contribution rate of five principal component factors reached 84.706%.Accession Zaye 307 was the most suitable variety in the region of Yangzhou,Jiangsu Province with the highest integrated score compared to other tested varieties.It had the highest hay yield and hay/fresh grass ratio with more tiller numbers per plant and higher plant height.