“皇冠”系多年生豆科牧草 ,轴根系十分发达 ,根颈入土深 ,主根深达 5～ 7米 ,侧根多根瘤 ;茎杆直立 ,分枝多 ,大多数植株上具有由 5～ 7片小叶组成的多叶叶片 ;是最新育成的高产 ,优质 ,高耐抗性的紫花苜蓿新品种之一。品种特性1.耐抗性强 ,适应性广。美国威斯康星州立大学编 “Crown” is a perennial legume forage, root shaft is well developed, the root neck deep into the soil, the main root depth of 5 to 7 meters, lateral root nodules; stem erect, more branches, most plants with 5 to 7 leaflets Composed of multi-leaf; is the latest breeding high yield, high quality, high tolerance of alfalfa, one of the new varieties. Variety of characteristics 1. Strong resistance, wide adaptability. Wisconsin State University, USA