Effects of rapidly imposed water deficit on photosynthetic parameters of three C4 grasses

Soares-Cordeiro, A. S. and Carmo-Silva, A. E. and da Silva, A. Bernardes and da Silva, J. Marques and Keys, A. J. and Arrabaça, M. C. (2009) Effects of rapidly imposed water deficit on photosynthetic parameters of three C4 grasses. Photosynthetica, 47 (2). pp. 304-308. ISSN 0300-3604

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Abstract

Water deficit, when rapidly imposed on three C4 grasses of the different metabolic subtypes, Paspalum dilatatum Poiret (NADP-malic enzyme), Cynodon dactylon (L.) Pers (NAD-malic enzyme) and Zoysia japonica Steudel (phosphoenolpyruvate carboxykinase), caused decreases in photosynthetic rates, in the quantum yield of PS II and photochemical quenching, and in the activities of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) and phosphoenolpyruvate carboxylase (PEPC). The results provide evidence for non-stomatal limitations of photosynthesis differing in nature between the three species.

Item Type:
Journal Article
Journal or Publication Title:
Photosynthetica
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1300/1314
Subjects:
ID Code:
75868
Deposited By:
Deposited On:
21 Oct 2015 05:01
Refereed?:
Yes
Published?:
Published
Last Modified:
11 Feb 2020 08:39