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Root growth and etiolated hypocotyl elongation of Col-0 seedlings upon elevated metal ion concentrations. (A) Root length 5 days after germination, (B) hypocotyl length after 5 days of germination in the dark, (C) growth inhibition relative to control medium, (D) root growth between days 3 and 5 after germination, (E) seedlings on control and Pb 11 days after germination. Shown are mean and SE of at least three biological replicates with 20 seedlings each.
