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. 2021 Feb 4;11:3195. doi: 10.1038/s41598-021-82264-7

Figure 4.

Figure 4

Effect of soil water conditions and foliar treatments on hydrogen peroxide (H2O2) and superoxide anion (O2) contents. Every column in each graph represents the mean (± SE) of three replicates. Different letters above columns indicate that means are different at 95% confidence level. WW, well-watered; WD, water-deficient; CK, control (double distilled water); SA, salicylic acid; Zn, Zinc; GB, Glycine betaine.