Na : observed number of alleles,Ne : effective number of alleles, H : Nei’s gene diversity, I : Shannon’s diversity index.
Figure legends Fig. 1. The rich phenotypic characters of yam germplasm resources. A . Different leaf morphology, B . Different stem morphology, C . Different tuber morphology, Bar= 1 cm.
Fig. 2. Cluster dendrogram based on the phenotypic traits. The letter ”G” stands for different groups. The letter ”G” is an abbreviation for Group.
Fig. 3. The UPGMA Cluster dendrogram (A) and PCoA analysis (B) of 112 yam accessions based on the combined SSR-SRAP data. The letter ”G” is an abbreviation for Group, and G1-G6 stands for different groups respectively.
Fig. 4. Population structure analysis of 112 yam accessions (A ) ΔK values for different numbers of populations assumed (K), (B ) Population genetic structure at K = 2, 3, 4.