Fig. 2.

PCA biplot of consumer taste liking with phytochemical and AHC analysis (in bold italic; refer to Table 2) data regressed as supplementary variables. ^∗ = Significant differences observed with ANOVA (P < 0.05). ^{^} = AHC cluster with < 20 individuals. PC1 vs. PC4 (a) represents 41.5% of variation within the data, and PC1 vs. PC5 (b) represents 37.1% of variation within the data. Red circles = individual consumer responses; blue squares = supplementary variables; dark blue circles = rocket accession factor scores. VOC compound abbreviations (C#) are summarised in Supplementary Table S1, but can also be found in Bell et al. (2016).