Fig. 3

The effects of IFQA on phenotypes of root hairs, RAA, and root activity. The root-hair phenotypes (a and d), densities (b and e), and lengths (c and f) of 8-d-old Arabidopsis plantlets, which were planted on MS, MS + 20 mg/L IFQA, MS + 0.3 mM H₂O₂ + 20 mg/L IFQA, MS + 0.3 mM H₂O₂, MS + 3 µM ATZ, and MS + 3 µM ATZ + 20 mg/L IFQA for 8 days; The root-hair phenotypes of maize seedlings (g), which were cultured in water at two days after germination and then transferred into H₂O, 50 mg/L IFQA, 5 mM H₂O₂, 5 mM H₂O₂ + 50 mg/L IFQA, 1 mM ATZ, and 1 mM ATZ + 50 mg/L IFQA for 8–12 h; The RAA (h) and TTC staining (i) of 5-d-old maize seedlings, which were cultured in water at two days after germination and then transferred into H₂O, 50 mg/L IFQA, 1 mM H₂O₂, 1 mM H₂O₂ + 50 mg/L IFQA, 5 mM H₂O₂, and 5 mM H₂O₂ + 50 mg/L for three days. Letters above the boxes indicate statistically significant differences between samples (P < 0.05)