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Phenotype identification and root trait analysis of AtHMA2 homozygous in mutants: (A–D) phenotypic identification of Arabidopsis AtHMA2 homozygous mutants under different concentrations of Cd stress; (E,F) statistical plots of root length and fresh weight were measured under Cd stress; * means p ≤ 0.05; ** means p ≤ 0.01; Student’s t-test.
