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Supporting Information (SI) Appendix - Proceedings of the National ...

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Au<strong>the</strong>nticity <strong>of</strong> Vitis vinifera subsp. sylvestris<br />

References<br />

Supplementary Figures<br />

Figure S1: Description <strong>of</strong> thresholds used for defining pedigree relationships among<br />

vinifera cultivars. A) Identity-by-descent (IBD) distribution from pairwise comparisons among<br />

950 vinifera accessions. Note <strong>the</strong> break in <strong>the</strong> Y-axis: <strong>the</strong> large majority <strong>of</strong> pairs <strong>of</strong> accessions<br />

have IBD near zero as expected. The dashed line represents <strong>the</strong> lowest IBD value observed<br />

between a known parent-<strong>of</strong>fspring pair (IBD = 0.466; see Table S1 for known parent-<strong>of</strong>fspring<br />

pairs). The dotted line represents <strong>the</strong> threshold above which pairwise comparisons were<br />

considered clones (i.e. effectively genetically identical; IBD = 0.95). Comparisons between

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