Fig. 3

Salt stress tolerance of wild type (WT) and NtWRKY65 overexpression seedlings. (a) Growth status of wild type (WT) and NtWRKY65 overexpression seedlings treated with 0 mM NaCl and 150 mM NaCl for 14 d. Scale bars are 15 cm. (b) Fresh weight, (c) maximum leaf area, (d) SPAD value, (e) root phenotype, and (f) root length of WT and NtWRKY65 overexpression seedlings treated with 0 mM and 150 mM NaCl for 14 d. Columns and bars represent the means and standard errors of three seedlings, respectively. Significant differences between the WT and overexpression lines were determined using Student’s t-test, * P < 0.05, ** P < 0.01