四个紫花苜蓿品种草产量、营养品质及越冬率的综合评价

Comprehensive Evaluation on Forage Yield,Nutrition Quality and Winter Surviving Rate of Different Alfalfa Varieties

在哈尔滨地区对不同的紫花苜蓿品种进行田间试验,比较了两年间各品种在产量、品质及越冬率方面的差异并通过灰色关联分析进行了综合评价。结果表明,阿尔冈金苜蓿干草产量极显著高于其他参试品种;和平苜蓿在粗蛋白质含量、中性洗涤纤维含量等品质方面表现较好;肇东苜蓿越冬率显著高于其他品种。综合评价最优的参试品种是肇东苜蓿,其更适于在哈尔滨地区种植。

Field experiment with different alfalfa varieties was performed in Harbin area,difference in yield,quality and winter surviving rate among all treatments were compared in two years,and were comprehensively evaluated with gray correlation analysis.The results indicated that hay yield of Medicago sativa L.cv.Algonquin was significantly higher than that of the other varieties,CP and NDF of Medicago sativa L.cv.Peace were better,winter surviving rate of Medicago sativa L.cv.Zhaodong was significantly higher than that of the other varieties.Zhaodong was comprehensively evaluated as the best variety and was more suitable to be extended and planted in Harbin area.