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Exogenous Application of Cys Promotes Stomatal Closure in Cys-Synthesis–Limited Mutants.
(A) to (C) Impact of sulfate (white, 2 mM MgSO4), Cys (yellow, 0.5 mM), and Gly (dark gray, 0.5 mM) on the stomatal apertures of wild-type (A), sir1-1 (B), and serat tko (C) plants. Data represent mean ± sd in (n ≥ 50, derived from ≥5 individual plants).
Letters indicate statistically significant differences between groups determined with one-way ANOVA (P < 0.05).
