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. 2021 Jan 7;11:611170. doi: 10.3389/fpls.2020.611170

FIGURE 4.

FIGURE 4

ACD6 activity acts on mobilization of nitrogen and carbon depending on rosette leaf rank. Yellow and green colors indicate values for arHIH434-Ct and arHIF434-Col, respectively. (A) Nitrogen and (B) carbon percentages in the groups of leaves in the two arHIF434 genotypes. Leaves were gathered by groups of 10 leaves: old leaves (OL), ranks 1–10; mature leaves (ML), ranks 11–20; young leaves (YL), ranks 21–30; and new leaves (NL), ranks 31 to >40. Different letters indicate significant difference (Tukey’s test, 30 ≤ n ≤ 48, p ≤ 0.05). Kinetics of nitrogen (C) and carbon (D) percentages in the two arHIF434 genotypes for the four groups of leaves during plant development. Stars indicate significant difference between the two genotypes (Student’s test, 4 ≤ n ≤ 8, p < 0.05). Vertical dotted lines in panels (C,D) show the flower bud emergence at 52 days after sowing (DAS).