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. 2016 Jul 22;7:1092. doi: 10.3389/fpls.2016.01092

FIGURE 5.

FIGURE 5

Changes in the rate constant of the rapid relaxation of the electrochromic pigment absorbance shift (kECS), reflecting the proton conductivity of H+-ATP synthase, and the relative electrochromic shift, reflecting the proton motive force (relative ECSpmf) induced by VP at 360 ppm (A) and approximately 10 ppm (B) CO2 (n = 5–6). The mean ECSpmf magnitudes prior to VP or a decrease in the CO2 level were assumed to be 100%. Points were measured every 60 s (50 s light, 10 s dark). The VP was induced by burning the first mature leaf (arrow).