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. 2018 Apr 9;13(4):e0195512. doi: 10.1371/journal.pone.0195512

Fig 4. Class III peroxidases activity and reactive oxygen species detection.

Fig 4

Class III peroxidases activity was detected seeds by using guaiacol as substrate (A and B). Superoxide ion O2.- was observed y with NBT (C and D). Control seeds (A and C) and seeds treated with air plasma (B and D). The intensity of the coloration appeared to be identical at the same level of germination for both cases (control or plasma treated seeds). Each scale bar corresponds to 100 μm.