Additional file 5.

Neighbour-joining tree and inferred population structure of the grape germplasm collection, calculated from the dataset of 22 SSR markers and 353 SNPs across 1146 individuals using structure analysis (K=5). Each individual is represented by a line partitioned in five coloured segments (the individual’s estimated membership fractions to each one of the five clusters). Threshold of the membership coefficient Q was 0.80 for the SSR dataset and 0.65 for the SNP dataset.

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Emanuelli et al. BMC Plant Biology 2013 13:39   doi:10.1186/1471-2229-13-39