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紫花苜蓿是一种多年生豆科草本植物,其营养丰富、产量高、适应性好,在世界各地广泛种植,是重要的优良饲草品种之一[1]。苜蓿育种工作长期以来一直被国内外育种者所重视,选育叶量丰富、多叶率高、适口性好的多叶型苜蓿品种一度成为国内外育种工作的热点。由于苜蓿属异花授粉植物,自交率低[2],这种特性给依靠种子繁殖选育多叶型苜蓿带来了极大困难,而采用扦插技术进行无性繁殖可以克服这一困难,该方法对多叶型苜蓿扩繁优良个体、
Alfalfa is a perennial leguminous herb, which is rich in nutrition, high in yield and good in adaptability. It is widely planted around the world and is one of the important fine forage varieties [1]. Alfalfa breeding has long been valued by breeders both at home and abroad. The selection of multi-leaf alfalfa varieties with abundant leaf amount, high leafy rate and good palatability has become a hot topic both at home and abroad. Because alfalfa cross-pollination plants, selfing rate is low [2], this feature relies on seed breeding selection of leafy alfalfa brought great difficulties, and the use of cutting technology for cloning can overcome this difficulty, the Methods Multi-leaf alfalfa propagation of fine individuals,