Leaf O2 uptake in the dark is independent of coincident CO2 partial pressure

Jeffrey S. Amthor, George W. Koch, Jennifer R. Willms, David B. Layzell

Research output: Contribution to journalArticle

32 Scopus citations

Abstract

Elevated CO2, in the dark, is sometimes reported to inhibit leaf respiration, with respiration usually measured as CO2 efflux. Oxygen uptake may be a better gauge of respiration because non-respiratory processes can affect dark CO2 efflux in elevated CO2. Two methods of quantifying O2 uptake indicated that leaf respiration was unaffected by coincident CO2 level in the dark.

Original languageEnglish (US)
Pages (from-to)2235-2238
Number of pages4
JournalJournal of Experimental Botany
Volume52
Issue number364
DOIs
StatePublished - Jan 1 2001

Keywords

  • Carbon dioxide
  • Oxygen
  • Respiration
  • Rumex crispus

ASJC Scopus subject areas

  • Physiology
  • Plant Science

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