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. 2022 Feb 3;189(1):188–203. doi: 10.1093/plphys/kiac040

Figure 4.

Figure 4

Relationship between time constants for stomatal opening (kopen) or closure (kclose) and mean GLmean or mean SDmean in four C3 and five C4 species grown under HN or LN conditions. (A, B, E, and F) HN condition and (C, D, G, and H) LN condition. Green and orange symbols indicate C3 and C4 species, respectively, and filled and open symbols indicate plants grown under HN and LN conditions, respectively. Regression lines are shown for all C3 and C4 species. Values of R2 are (A) 0.79 (P < 0.01), (B) 0.86 (P < 0.01), (E) 0.68 (P < 0.01), (F) 0.87 (P < 0.01). Data are the mean ± se (n = 4).