Tracking the origins of the Kok effect, 70 years after its discovery

Guillaume Tcherkez, Paul Gauthier, Thomas N. Buckley, Florian A. Busch, Margaret M. Barbour, Dan Bruhn, Mary A. Heskel, Xiao Ying Gong, Kristine Crous, Kevin L. Griffin, Danielle A. Way, Matthew H. Turnbull, Mark A. Adams, Owen K. Atkin, Michael Bender, Graham D. Farquhar, Gabriel Cornic

Research output: Contribution to journalArticlepeer-review

37 Citations (Scopus)

Abstract

The 18th New Phytologist Workshop was dedicated to possible causes of the Kok effect, the typical break in the light response curve of net photosynthesis. Available data obtained since its discovery in 1948 show that the effect is not purely caused by a down-regulation of respiration, contrary to the commonly accepted view. However, estimates of leaf respiratory rates obtained in various ecosystems with techniques including the Kok method appear to be widely consistent across different studies, suggesting that Kok-derived values can be used as a surrogate for actual day respiration values.
Original languageEnglish
Pages (from-to)506-510
Number of pages5
JournalNew Phytologist
Volume214
Issue number2
DOIs
Publication statusPublished - 2017

Keywords

  • carbon dioxide
  • leaf respiration
  • photochemistry
  • photosynthesis

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