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. 2013 Jun 24;8(9):e25479. doi: 10.4161/psb.25479

graphic file with name psb-8-e25479-g5.jpg

Figure 5. Effect of SNP application on nitrite-derived nitric oxide content and NR enzymatic activity. (A) NO measurements made with mature (40 d) and senescing (65 d) plants after lower (100 μΜ) and higher (2.5 mM) SNP application. (B) Measurements of NR enzymatic activity in mature (40 d) and senescing (65 d) plants after lower (100 μΜ) and higher (2.5 mM) SNP application (Upper and lower rows represent measurements made with 40 d and 65 d plants respectively). Asterisks denote statistically different values according to the Tukey pairwise comparison test (p < 0.05). Values are means ± SE (n = 3).