Fig. 3.

Altered expression of OsNPF7.2 functioned on rice seedling growth at different nitrate supply. a Phenotypic analysis of seedlings at 31 DAG among WT, OX lines, Ri lines and osnpf7.2 under the 8 mM NaNO₃ supply, respectively. Bar = 10 cm. b-e Statistical analysis of root length (b), root number (c), fresh weight (d) and dry weight (e), respectively, among WT, OX lines, Ri lines and osnpf7.2 under the 8 mM NaNO₃ supply. Values in b-e are shown as mean ± SD (n = 20) from three replicates; “*” and “**” indicated significant differences at P < 0.05 and P < 0.01, respectively