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The Relationship Between the Relative Quantum Efficiencies of Photosystems in Leaves. Efficiency of PS2 in Relation to Non-Photochemical Fluorescence Quenching

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Current Research in Photosynthesis

Abstract

Recently the development of techniques capable of measuring in vivo simultaneously the photochemical (qQ) and non-photochemical (qNP) components of chlorophyll fluorescence quenching, absorbance changes at 820 nm and photosynthetic gas exchange of leaves have allowed quantitative estimation of the quantum efficiencies of photosystems 2 (ϕPS2) and 1 (ϕPSl)and non-cyclic electron transport in leaves (1–6). These studies have provided evidence that non-photochemical processes associated with qNP could explain the observed reduction of quantum yield of open PS2 reaction centres as light intensity is increased (1–3,5,6).

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References

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Authors and Affiliations

  1. Dept of Biology, Univ. of Essex, Colchester, CO4 3SQ, UK

    B. Genty & N. R. Baker

  2. John Innes Inst., Norwich, NR4 7UH, UK

    J. Harbinson

  3. Lab. Ecologie Végétale, Univ. Paris Sud, Orsay, Cedex, 91405, France

    J. M. Briantais

Authors
  1. B. Genty
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  2. J. Harbinson
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  3. J. M. Briantais
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  4. N. R. Baker
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Editor information

Editors and Affiliations

  1. Department of Biochemistry, University of Stockholm, Stockholm, Sweden

    M. Baltscheffsky

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© 1990 Springer Science+Business Media New York

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Genty, B., Harbinson, J., Briantais, J.M., Baker, N.R. (1990). The Relationship Between the Relative Quantum Efficiencies of Photosystems in Leaves. Efficiency of PS2 in Relation to Non-Photochemical Fluorescence Quenching. In: Baltscheffsky, M. (eds) Current Research in Photosynthesis. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-0511-5_712

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  • DOI: https://doi.org/10.1007/978-94-009-0511-5_712

  • Publisher Name: Springer, Dordrecht

  • Print ISBN: 978-94-010-6716-4

  • Online ISBN: 978-94-009-0511-5

  • eBook Packages: Springer Book Archive

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