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. 2013 Jul 22;4:264. doi: 10.3389/fpls.2013.00264

FIGURE 1.

FIGURE 1

(A) Light- and CO2-saturated rate of photosynthetic oxygen evolution, (B) minor loading vein phloem tissue cross-sectional area, and (C) minor vein xylem tissue cross-sectional area of A. thaliana Italian, Swedish, and wild-type Col-0 ecotypes grown under controlled temperature (mean leaf temperature in °C) and PFD (ML = 400 and HL = 1000 μmol photons m-2 s-1) conditions. Actual daytime leaf temperatures varied between 24 and 26°C or between 12 and 16°C. Mean ± standard deviation shown for light- and CO2-saturated rate of photosynthetic oxygen evolution (A) and mean ± standard error of the mean shown for leaf vascular features (B,C) (n = 4 plants); statistically significant differences indicated with lower case letters (P < 0.05).