The units on the y-axis of Fig. 3d are incorrect; the correct units are μmol mol^-1. Please see the corrected Fig. 3 here.

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Figure 3. Measurements of (a) photosynthesis rate (A), (b) stomatal conductance (g_s), (c) mesophyll conductance (g_m), and (d) intrinsic transpiration efficiency (A/g_s) in control and water-stressed leaves of the seven Oryza sativa genotypes.

The measurements were made on the flag leaf in saturating PPFD (1400 μmol m^-2s^-1), with relative humidity ranging between 45–55%, and a leaf temperature of 30°C. Data are means of 4 to 7 plants per treatment. Error bars as in Figure 1. Different letters denote significant differences among means derived using a factorial ANOVA and Tukey post-hoc test.

https://doi.org/10.1371/journal.pone.0117631.g001

The affiliation for Maria Cristina Monteverdi is incorrect. The correct affiliation is: Consiglio per la Ricerca e la Sperimentazione in Agricoltura, Centro di Ricerca per la Selvicoltura, Arezzo, Italy

There is an error in the funding statement. The correct statement is: This work was funded by: Ministero dell’Istruzione, dell’Università e della Ricerca of Italy: PRIN 2010–2011 PRO-ROOT, Progetto Premiale 2012 Aqua, CNR project Conoscenze Integrate per la Sostenibilità e l’Innovazione del Agroalimentare and a Marie Curie Intra European Fellowship (2010-275626)—HAWORTH—Evoutionary adaptation to atmospheric carbon dioxide, URL: http://ec.europa.eu/research/mariecurieactions/about-mca/actions/ief/index_en.htm. The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.