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On the Relationship Between Carbon Isotope Discrimination and the Intercellular Carbon Dioxide Concentration in Leaves
Abstract
Theory is developed to explain the carbon isotopic composition of plants. It is shown how diffusion of gaseous CO2 can significantly affect carbon isotopic discrimination. The effects on discrimination by diffusion and carboxylation are integrated, yielding a simple relationship between discrimination and the ratio of the intercellular and atmospheric partial pressures of CO2. The effects of dark respiration and photorespiration are also considered, and it is suggested that they have relatively little effect on discrimination other than via their effects on intercellular p(CO2). It is also suggested that various environmental factors such as light, temperature, salinity and drought will also have effects via changes in intercellular p(CO2). A simple method is suggested for assessing water use efficiencies in the field.
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Citations
Cited by
Carbon Isotope Discrimination and Photosynthesis
Farquhar, G. D., Ehleringer, J. R., & Hubick, K. T. (1989) · Annual Review of Plant Physiology and Plant Molecular Biology · doi:10.1146/annurev.pp.40.060189.002443 · Cited by 7,063
Self-citationUnderstanding plant responses to drought—from genes to the whole plant.
Chaves, M. M., Maroco, J. P., & Pereira, J. S. (2003) · Functional Plant Biology · doi:10.1071/fp02076 · Cited by 3,845
Carbon Isotopes in Photosynthesis
O'Leary, M. H. (1988) · BioScience · doi:10.2307/1310735 · Cited by 2,475
Self-citationMcCarroll, D., & Loader, N. J. (2004) · Quaternary Science Reviews · doi:10.1016/j.quascirev.2003.06.017 · Cited by 1,817
Breeding for high water-use efficiency
Condon, A. G. (2004) · Journal of Experimental Botany · doi:10.1093/jxb/erh277 · Cited by 1,208
Metadata
- Authors
- Farquhar, G., O'Leary, M., & Berry, J.
- Venue
- Australian Journal of Plant Physiology
- Publisher
- CSIRO Publishing
- Published
- 1982-04-01
- Volume
- 9
- Issue
- 2
- Pages
- 121-137
- ISSN
- 0310-7841 (ISSN-L)
- 1446-5655
- OpenAlex
- W2086361936
- Cited by
- 3,903
- References
- 0
- FWCI
- 34.18
- Type
- journal article
- Language
- en
- Open access
- closed
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- Farquhar, G., O'Leary, M., & Berry, J. (1982). On the Relationship Between Carbon Isotope Discrimination and the Intercellular Carbon Dioxide Concentration in Leaves. Australian Journal of Plant Physiology. https://doi.org/10.1071/pp9820121
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
