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Figure S1. Principal coordinate analysis of grapevine-cultivated accessions belonging at more than 80% to a given subpopulation based on a dissimilarity matrix obtained with 20 short sequence repeats (SSR). The accession from western wine, eastern wine and easter table subpopulation identified using STRUCTURE software are, respectively, represented by black, blue and green dots.

Figure S2. A. Correlation between the average berry flesh weight at ripeness collected in 2008 in our study and that present in the database of the French National Grapevine Germplasm Collection. B. Correlation between the average berry flesh weight at veraison collected in 2008 and 2009 in our study. (A) Plot of the average berry flesh weight at ripeness collected in 2008 and available in the database of the French National Grapevine Germplasm Collection. (B) Plot of the average berry flesh weight at veraison collected in 2008 and 2009.

Table S1. Plant material. Name of the cultivars, accession number, subpopulation and bunch Group belonging and year(s) of phenotyping of the sample used in this study. The genetic structure in three subpopulations was based on microsatellite genotyping (WW: wine grapes from Western Europe, WE: wine grapes from Eastern Europe and TE: table grapes from Eastern Europe; Laucou et al. 2011). The clustering into four Groups (A, B, C, D) was based on phenotypic data (berry flesh weight, berry length and berry width at veraison stage).

Table S2. Intragenotypic average and standard deviation for the parameters measured on three to ten ovaries or berries in 26 genotypes.

Table S3. ANOVA test of the difference in berry weight, seed weight, berry cell density and ovary cell density between the four Groups of genotypes, taking into account the intragenotypic variation. Table cells are in grey when the P-value is < 0.05 after the Bonferroni correction.

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