According to cluster analysis on 15 alfalfa cultivars,WL-323,Emperor, WL-323UF,Victoria,Clover King,Pegasus,and Feima have good root system development ability.

• 通过聚类分析,可把15个紫花苜蓿品种分为3类。 其中,皇冠、WL-323、苜蓿王、飞马、顶点、WL-323UF和维多利亚有较强的根系发育能力。