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. 2011 May 6;6(5):e19451. doi: 10.1371/journal.pone.0019451

Figure 3. The superoxide anion accumulation after 4 weeks of IM-enantiomer treatment.

Figure 3

A. A plantlet stained with NBT; B. A leaf stained with NBT; C. The colorimetric quantification of NBT-formazan production in plant extracts. ** indicates that the numbers are significantly higher than those of the control plants (p<0.01). # indicates that the numbers are significantly higher than those of S-IM-exposed plant (p<0.05). FW, fresh weight.