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. 2019 Oct 30;10:1379. doi: 10.3389/fpls.2019.01379

Figure 7.

Figure 7

Evaluation of skin appearance of Rosanna (A) and Vivaldi (B) tubers from experiment 3. Sample labeling and treatments are as described in Figures 5 and 6 . Visual evaluation of tuber appearance was performed after 2 months of storage (left panels). Values are averages of five replicates with SE. Visual index and assessment were as described in Figure 2 . Data were not significant by Student’s t-test. Right panels demonstrate the problem of low skin quality and poor tuber appearance, irrespective of the polyhalite treatments. Rosanna tubers exhibited russeted skin with gray or faint pink color instead of the desired shiny appearance with dark-pink pigmentation. Tubers of Vivaldi exhibited russeted skin with brownish tint instead of the desired shiny yellow appearance.