Fig 2. HRW post-treatment alleviated Cd stress-induced Brassica campestris seedlings growth inhibition.

The germinated seeds were grown in nutrient solution for one day and then shifted to solutions with 0 or 50 μM CdCl₂ for another 12 h. After the removal of Cd stresses, the seedlings were then incubated in solution with H₂O or 50% saturation of HRW for 5 days. Bar = 3 cm (A). Changes in root length (B) and fresh weight (C) during the 5 days post-treated with H₂O or 50% saturation of HRW. Data are means ± SE from three independent experiments. Bars with different letters are significantly different at P<0.05 according to Duncan’s multiple range test.