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. 2017 Oct 10;8:1739. doi: 10.3389/fpls.2017.01739

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Copyright © 2017 Chen, Zhang, Zhang and Tang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Effects of salinity and R. irregularis inoculation on maximum quantum efficiency of PSII photochemistry (Fv/Fm) (A), PSII operating efficiency (ΦPSII) (B), PSII maximum efficiency (Fv′/Fm′) (C), photochemical quenching coefficient (qP) (D) and non-photochemical quenching (NPQ) (E) in leaves of R. pseudoacacia. Different letters indicate significant differences (P < 0.05). NS not significant; ^∗P < 0.05; ^∗∗P < 0.01; ^∗∗∗P < 0.001. AM, arbuscular mycorrhizal; NM, non-mycorrhizal.