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NFX1-LIKE2 (NFXL2) Suppresses Abscisic Acid Accumulation and Stomatal Closure in Arabidopsis thaliana

Figure 5

Stomatal aperture and stomatal conductance of well-watered plants grown under long day growth conditions.

A. Stomatal aperture was determined from images of silicone rubber imprints of the abaxial surfaces of rosette leaves of five-week-old plants. Plants were grown in a greenhouse under standard conditions (see Methods for details) or in a controlled growth chamber (16 h light, 21°C, 120 µmol m−2 s−1, 60% humidity; 8 h dark, 19°C, 75% humidity). Data are given as mean±SE of at least 60 stomata per genotype and condition. Values denoted with an asterisk are significantly different from those of their wild type (t test, P<0.001). B. Stomatal conductance of rosette leaves of five-week-old plants was determined with a Decagon SC-1 porometer. Plants were grown in a greenhouse under standard greenhouse conditions. Data are given as mean±SE (n = 10 to 15 leaves per genotype). Mutant values denoted with a positive sign are significantly different from their wild type (t test, P<0.05).

Figure 5

doi: https://doi.org/10.1371/journal.pone.0026982.g005