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Effects of Zn or Cu on FA elicited ROS and cell membrane injury mitigation in leaf and root. The root (A) and leaf (B) H2O2, MDA and antioxidant enzyme activity levels were determined after treatment with FA for 72 h. (C) Relative membrane injury in the root and leaf. Bars represent standard deviation with four replications each. Different letters above bars indicate significant differences (p < 0.05, Duncan’s multiple range test) among different treatments.
