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Biochemical changes induced by P. indica may protect plant from arsenic-induced toxicity. (A) Normalized chlorophyll a, b, and carotenoids content; (B) Proline content; and (C) H2O2 content in the plants alternate and simultaneously treated with P. indica and arsenic. All experimental conditions were the same as described for Figure 1. Asterisks show values significantly different from those of the controls (P < 0.05).
