Figure 3

Graphical distribution of the proportions of membership of analyzed Vitis accessions. The accessions are organized in nine subgroups (i.e., local cultivars and certified cultivars of V. vinifera divided according to cultivation area, outgroups identified with non-V. vinifera species and interspecific hybrids) in each of the three inferred genetic clusters (see Additional file 2 for the specific values of membership).