Fig. 3
Antioxidant enzyme activities and the contents of O2− in WT and PpSnRK1α overexpression lines. a Comparison of the O2− content between the WT and PpSnRK1α overexpression lines, b NBT staining for superoxide in the leaves c Comparison of the CAT activity between the WT and PpSnRK1α overexpression lines d DAB staining for H2O2 in the leaves e, f Comparison of the SOD (e) and POD (f) activity between the WT and PpSnRK1α overexpression lines. Note: in a, c, e and f, each sample has three biological replicates. The data are shown as means ± S.E. of three technical repeats