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Distinctive diel growth cycles in leaves and cladodes of CAM plants: differences from C3 plants and putative interations with substrate availability, turgor and cytoplasmic pH

Gouws, Liezel; Osmond, C Barry; Schurr, Ulrich; Walter, Achim

Description

Distinct diel rhythms of leaf and cladode expansion growth were obtained in crassulacean acid metabolism (CAM) plants under water-limited conditions, with maxima at mid-day during phase III of CO2 assimilation. This pattern coincided with the availability of CO2 for photosynthesis and growth during the decarboxylation of malic acid, with maximum cell turgor due to the nocturnally accumulated malic acid, and with the period of low cytoplasmic pH associated with malic acid movement from vacuole...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Journal article
URI: http://hdl.handle.net/1885/80232
Source: Functional Plant Biology
DOI: 10.1071/FP05074

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