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. 2017 Oct 12;8:1501. doi: 10.3389/fpls.2017.01501

FIGURE 4.

FIGURE 4

Effect of different concentrations of AgNPs and AgNO3 on photosynthetic parameters such as (A) Fv/Fm, (B) qP: photochemical quenching, and (C) NPQ, non-photochemical quenching. Data are average ± standard errors of experiments performed in triplicate. Bars followed by different letter(s) show significant difference at P < 0.05 significance level according to the DMRT.