| In order to select suitable oat varieties for cultivation in saline-alkali land,17 oat varieties were used as materials in the saline-alkali soil cultivation experiment,and comparison of main agronomic traits,grain quality and yield traits were conducted. Through clustering analysis,17 oat varieties were clustered into five categories. The first category was G148 and G113,with higher crude protein content,β-glucan content and yield,but low crude fat and crude fiber content. The second category includes eleven varieties: G145,G125,G142,G141,G124,G149,Baiyan 2,Caoyou 1,Mengyan 1,Mengnongdayan 1,and Mengnongdayan 2,with high β-glucan content.The third category contains G144 and G140,with low crude protein content,but higher β-glucan,crude fiber and crude fat content and higher yield. The fourth category contains only G132,with higher crude protein,β-glucan,crude fat and crude fiber content. The fifth category includes G138,with lower crude protein content and lower yield,but higher β-glucan,crude fat and crude fiber content. Under the suitable conditions for cultivation in saline-alkali land,high-yielding varieties were G148 and Mengnongdayan 2,with the grain yield 2 240 kg·hm-2 and 2 040 kg·hm-2,respectively. Mengyan 1 has the highest forage yield. The varieties with high protein and low fat were G148 and G113 from Canada,and G113 has the best quality. |
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