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. 2013 Dec 6;8(12):e82712. doi: 10.1371/journal.pone.0082712

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© 2013 Ramalho et al

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Changes in photosynthetic capacity (A_max) in the leaves of C. arabica (Icatu and IPR 108) and C. canephora (Conilon CL 153) grown under 380 (white bar) and 700 (black bar) μL CO₂ L^-1. The mean values + SE (n = 6) followed by different letters express significant differences between cultivars for the same CO₂ treatment (a, b) or between CO₂ treatments within the same cultivar (r, s). The ANOVA for A_max showed significant differences between cultivars for the same growth CO₂ treatment.