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Concentrations of Cd in roots (A) and shoots (B), total Cd content (C), and translocation factor (D) of Carpobrotus rossii grown in solutions with the same Cd2+ activity (10.9 µm) for 6, 12 and 24 h. Cd, 15 μm Cd; Cd + LS (low salt), 50 μm Cd + 25 mm NaCl; Cd + HS (high salt), 85 μm Cd + 50 mm NaCl. Error bars represent ± s.e.m. of three replicates. Means with the same letter did not differ significantly at each harvest time (Duncan’s test, P < 0.05) (Experiment 2). DW, dry weight.
