Principal Component Analysis (PCA) of seventy five grape berry skins and leaves.

<p><a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0061642#pone-0061642-g003" target="_blank">Fig. 3A</a> and <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0061642#pone-0061642-g003" target="_blank">Fig. 3C</a>: Scores scatter plot of PCA in berry skins; <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0061642#pone-0061642-g003" target="_blank">Fig. 3E</a>: Loadings plot of PCA in berry skins; <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0061642#pone-0061642-g003" target="_blank">Fig. 3B</a> and <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0061642#pone-0061642-g003" target="_blank">Fig. 3D</a>: Scores scatter plot of PCA in leaves; <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0061642#pone-0061642-g003" target="_blank">Fig. 3F</a>: Loadings plot of PCA in leaves. Percentages in parentheses represent the variance of each component. The numbers in the figure represent the sample numbers, which correspond to those in <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0061642#pone-0061642-t001" target="_blank">Table 1</a>. Cultivars 1 to 34 are table grapes from hybrids between <i>V</i>. <i>labrusca</i> and <i>V. vinifera</i>; 35 to 49 are table grapes of <i>V. vinifera</i>; 50 to 64 are table grapes of <i>V. vinifera</i>; 65 to 68 are juice grapes; 69 and 70 are wine grapes of <i>V. vinifera</i> × <i>V. amurensis</i>; and, 71 to 75 are rootstock cultivars.