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. 2019 Apr 1;14(4):e0214509. doi: 10.1371/journal.pone.0214509

Fig 3. Total chlorophyll (a and b) and Cd concentration in wheat seedlings cultivated from seeds treated with Ar/O2 and Ar/Air plasmas in the absence or presence of Cd.

Fig 3

Different letters indicate significant differences between mean ± SD of treatments (n = 3) at P < 0.05 significance level.