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. 2014 Jan 27;9(1):e87582. doi: 10.1371/journal.pone.0087582

Figure 2. Activities of antioxidative enzymes in leaves and roots of adult tobacco plants.

Figure 2

(A) SOD, (B) PPX, (C) APX, (D) CAT and (E) GR. For explanation of treatments see Fig. 1. Vertical bars represent standard errors (n = 6). Columns marked with different lowercase letters indicate significantly different treatments (P<0.05) within leaf data set, while columns marked with different capital letters indicate significantly different treatments (P<0.05) within root data set (LSD multiple test).