Genetic relationships among bermudagrass accessions were further studied using Principalcoordinate analysis. A two- dimensional scatter plot has shown that the first two PCoA axesaccounted for 26.00% and 23.29% of the genetic variation, respectively (Fig 4). The PCoA plotrevealed a similar grouping of accessions to the UPGMA dendrogram and STRUCTUE analysis. The subpopulations C1, C2 and C3 could be clear discriminated and the accessions frommixed subpopulation were placed in the middle of the three subpopulations