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Fig. 5 | BMC Plant Biology

Fig. 5

From: OsPHR3 affects the traits governing nitrogen homeostasis in rice

Fig. 5

Mutation in OsPHR3 affects concentration and redistribution of NO3 in young and old leaf blades. Seeds of the WT and mutants (osphr3–1 and 3–2) were grown hydroponically in IRRI solution for 3 weeks and then deprived of N for 3 d. a Seedlings were then transferred to H NO3 and L NO3 for 7 d. Young leaf blade (YLB) and old leaf blade (OLB) were harvested and assayed for NO3 concentration. b For determining 15NO3 redistribution ratio, the oldest leaf blade of the WT and mutant seedlings were incubated in a solution containing 15N-NO3 (5 mM) for 5 h. values are means ±SE (n = 5) and different letters on the histograms indicate that the values differ significantly (P < 0.05, one-way ANOVA). FW, fresh weight

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