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Glutathione (GSH) content in shoots of A. pinifolia aerial parts after 60 days of (A) Cd (3, 4.5, and 6 mg L−1) or (B) Hg (0.8, 1.2, and 1.6 mg L−1) treatment. All values are means ± SD (n = 3). Significant differences at *** p < 0.001 and ** p < 0.01 as compared to the control (Tukey’s post hoc test); ns: not significant.
