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PMR4 contributes to shoot Pi accumulation under phosphate deficiency.
(A, B) Pi contents per root or shoot fresh weight (FW) of 6‐days‐old Arabidopsis seedlings exposed to low Pi (150 μM) or normal Pi (625 μM) for 9 days. Data show means ± SD (n = 3 ~ 4) in (A, B). Statistical significance was assessed by one‐way ANOVA and Tukey HSD test for each medium dataset (A, B). Different letters indicate significant differences (P < 0.05). NS, not significant.
