科尔沁沙地4个燕麦品种的饲草产量特性比较

4 Oat Varieties in Horqin Sandy Land:Comparison of Forage Yield Characteristics

对科尔沁沙地4个饲用燕麦(Avena satiua)品种产量特性研究,以期筛选出适合科尔沁沙地种植的优良饲用燕麦品种。结果表明:乳熟期收获的饲草产量显著高于抽穗期(P<0.05);抽穗期饲用燕麦干草产量排序‘梦龙’>‘甜燕1号’>‘贝勒’>‘牧马人’;乳熟期饲用燕麦干草产量排序‘甜燕1号’>‘梦龙’>‘贝勒’>‘牧马人’;抽穗期‘梦龙’品种的株高显著高于其他3个品种(P<0.05);‘甜燕1号’茎叶比与其他3个品种比较最低,且差异显著(P<0.05)。综合评估‘甜燕1号’和‘梦龙’可作为科尔沁沙地推广种植的饲用燕麦品种。

The paper aims to screen good forage oat varieties which are suitable for planting in Horqin sandyland, the authors studied yield characteristics of 4 oat varieties. The results showed that： the forage yieldharvested at milk stage was significantly higher than that at heading stage（P〈0.05）; at heading stage, the hayyield order of forage oat was：‘Magnum＇〉‘Sweet Yan No.1＇〉‘Beller＇〉‘Wrangler＇; at milk stage, the hayyield order of forage oat was：‘Sweet Yan No.1＇〉‘Magnum＇〉‘Beller＇〉‘Wrangler＇; the height of‘Magnum＇was significantly higher than that of the other 3 varieties at heading stage（P〈0.05）; the stem-leaf ratio of ‘Sweet Yan No.1＇ was the lowest compared with that of the other 3 varieties at heading stage, which hadsignificant differences（P〈0.05）. The conclusion is‘Sweet Yan No.1＇ and‘Magnum＇can be forage oatvarieties for planting and promoting in Horqin Sandy land.