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

Figure 4.

Figure 4

Evaluation of skin appearance of the early variety Arizona (white skin), and the late varieties Mozart (red skin), Sifra, and Panamera (both white skin) (experiment 2). Potato plants were fertilized with polyhalite 2 days after haulm desiccation (PolyH"); control plants (C) were not fertilized. Tubers were examined after 1 month in storage. Visual index and assessment were as described in Figure 2 . Values are averages of five replicates. Data were analyzed for statistical significance by Student’s t-test for each cultivar separately. Different letters between the cultivar’s C and PolyH" samples indicate significantly different values (P < 0.05).