Fig. 3

a Effect of salt stress on germination percentage (at day 6) of seeds germinated on MS medium supplemented with different concentrations of NaCl (0, 100, 150 or 200 mM) for two selected Arabidopsis T-DNA insertion knockout (KO) mutants and over-expression (OE) lines of genes encoding two TFs, namely ERF109 (atT14) and TFIID5 (atT24), as compared to the WT control (Col). Seeds of the four genotypes were germinated at 0 mM NaCl, left for 2 weeks on MS agar plates, then, transferred to the soil for two more weeks with different salt concentrations. Growth parameters included root length (mm) (b), no. leaves per plant (c) and rosette area (cm²) (d). Statistical analysis was performed following the procedure outlined by Gomez and Gomez [28] and multiple comparisons were performed following Duncan’s New Multiple Range test [29]. Standard error bars that do not overlap indicate that the difference between two means is statistically significant