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. 2017 Jul 19;8:1284. doi: 10.3389/fpls.2017.01284

FIGURE 4.

FIGURE 4

Requirement of NO in wounding-induced activities of antioxidant enzymes and the expression of their corresponding genes as well as RBOH. The systemic (fifth) leaf was pre-treated with distilled water, 200 μM SNP, 200 μM L-NAME, 200 μM tungstate or 200 μM c-PTIO prior to mechanical wounding. The local and systemic leaves were harvested 3 h after wounding for analysis the activities of antioxidant enzymes and the expression levels. Data are means ± SD of three different replicates. Means denoted by the same letter did not significantly differ at P < 0.05 for each leaf according to Tukey’s test.