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Sensitivity of Arabidopsis plants to salt during the vegetative stage. Two-week-old seedlings (ecotype Columbia) growing in the soil were irrigated with 0, 50, 75, and 100 mM NaCl, respectively. Pictures were taken three weeks (upper panel) and four weeks (low panel) after the treatment. Note anthancyanin accumulation in leaves, the bleaching of leaves, and retarded growth and delayed development of seedlings treated with higher concentrations of the salt.
