Welsh onion(Allium L.) is one important condiment vegetable, Interspecific hybrids concerned of Welsh onion germplasms are constructive and significant not only for germplash protection and breeding, but for cultivating practices to gain high yields and reduce breeding time. Phylogenetic relationships and Genetic diversity in Allium L.accessions from home and abroad were assessed based on ITS sequence and SSR markers.And a quickness and accuracy method for interspecific hybridization identification between ...