紫花苜蓿(Medicago sativa L.)是多年生优良豆科牧草之一,它的产草量高,再生性强;但在我区锡盟、乌盟后山广大牧区其越冬率低、种子不能及时成熟,难以就地留种,是大面积推广种植上存在的主要问题。我国东北、西北各省(区)广大牧区也存在类似的问题。我区各地广泛分布着生长茂盛,越冬性能强,生长年限长,种子成熟良好,唯产草量低,再生性弱,植株葡匐的野生黄花苜蓿(Medicago falcata L.)。黄花苜蓿与紫花苜蓿的杂 Alfalfa (Medicago sativa L.) is one of the perennial fine legume forages, which has high yield of grass and strong regenerability. However, in the pastoral areas of Ximeng and Houmen hilly areas in our region, the overwintering rate is low and the seeds can not mature in time , It is difficult to stay on the spot, which is the main problem existing in large-scale popularization and cultivation. Similar problems exist in the vast pastures of northeastern and northwestern provinces (regions) in our country. The Medicago falcata L., with flourishing growth, strong winter winters, long-term growth, good seed maturity, low yield and weak regeneration, plant prostrate, is widely distributed in our region. Miscellaneous of Medicago falcata and Alfalfa