Data supplements
Supplemental Table 1 Phenology by date and accumulation growing degree days (GDD). GDD are accumulated from 1 April.
Supplemental Table 2 Treatment and year effects on secondary fruit composition per unit fresh weight at harvest for the rootstocks 3309 Couderc (3309C) and Riparia Gloire (RG). Data are means ± 1 standard error (n = 4). CON, control irrigation and no thinning; SUPP, 2x control irrigation; THIN, one cluster per shoot; ANOVA, analysis of variance; FW, fresh weight; IRP, iron-reactive phenolics.