Table 1

Composition of the cultivar groups used in the analysis
Group Name Group Code Subgroup Name Subgroup Code Countriesa Number of cultivars Number of cultivars for testing sampling effectb
Maghreb MAGH Maghreb MAGH DZA, MAR, TUN 83 83
Iberian Peninsula IBER Iberian Peninsula IBER ESP, PRT 226 100
Western & Central Europe WCEUR Western Europe WEUR BEL, FRA, GBR, NLD 567 100
Central Europe CEUR AUT, DEU, CHE, CZE, SVK, TCH 111 100
Italian Peninsula ITAP Italian Peninsula ITAP ITA 304 100
Balkans BALK Eastern Europe EEUR BGR, HUN, ROU 205 100
Balkan Peninsula BALP BIH, CYP, GRC, HRV, SCG, YUG 149 100
Russia & Ukrain RUUK Russia & Ukrain RUUK MDA, RUS, UKR, URS 94 94
Eastern Mediteranean & Caucasus EMCA Caucasus & Turkey CAUC ARM, AZE, GEO, TUR 89 89
Near East NEAS EGY, ISR, LBN, SYR, 51 51
Middle & Far East MFEAS Middle East MEAS IRN, YEM 29 29
Central Asia & Far East FEAS AFG, CHN, IND, JPN, KAZ, TJK, TKM, UZB 53 53
New World Vineyard NEWO New World Vineyard NEWO ARG, AUS, CHL, MEX, PER, USA, ZAF 106 100
Non determined ND Non determined ND 29 29

a According to the ISO 3166–1 alpha 3 codes ( webcite). b Sub-sample build with the aim to study a possible effect of differences in sample size among geographic regions, on STRUCTURE analysis.

Countries of origin were grouped into larger regional groups, for easiness of representation and statistical tests.

Bacilieri et al.

Bacilieri et al. BMC Plant Biology 2013 13:25   doi:10.1186/1471-2229-13-25

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