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. 2017 Sep 7;8:1554. doi: 10.3389/fpls.2017.01554

FIGURE 3.

FIGURE 3

Root growth and etiolated hypocotyl elongation of herk1 and herk2 alleles upon elevated metal ion concentrations at 5 days after germination. (A) Absolute root lengths, (B) relative root lengths of herk2 alleles, (C) absolute hypocotyl lengths, (D) relative hypocotyl lengths. Shown are mean and SE of at least three biological replicates with 20 seedlings each. Stars indicate significant differences according to Student’s t-tests with p < 0.05 to wild type (A,C), wild type and control medium (B,D).