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. 2015 Dec 23;10(12):e0145475. doi: 10.1371/journal.pone.0145475

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© 2015 Parra 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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Fig 5 — Light response curves of fluorescence derived quenching parameters NPQ, qL, and 1-qL, expressing non-photochemical quenching, the proportion of PSII open reaction centers (P680-Qa+) and the redox state of Qa, the primary acceptors of PSII for H. cruentum (a) and H. dentatum (b), respectively. Values correspond to the average of n = 3 ± SE. The xanthophyll cycle pool pigments and de-epoxidation state at three light points 0, 50 and 200 μmol photons m^-2s^-1 are shown for H. cruentum (c) and H. dentatum (d). Pigment determination was performed by HPLC. Values correspond to the average n = 3 ± SE, the numbers on top of each bar correspond to DEPS.