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. 2017 Sep 13;8:1561. doi: 10.3389/fpls.2017.01561

FIGURE 2.

FIGURE 2

Changes in superoxide anion (O2⋅-, A), hydrogen peroxide (H2O2,, B), and lipid peroxidation (MDA, C) for fertilized (+P) and non-fertilized (–P) treatments with and without water. Means followed by different letters indicate significant differences (P ≤ 0.05) among the four treatments according to Duncan’s test. Vertical bars show ± SE.