Sheshshayee, Madavalam Sreeman ; Bindumadhava, Hanumantha Rao ; Ramesh, Rengaswamy ; Prasad, Trichy Ganesh ; Udayakumar, Makarla (2010) Relationship between 18O enrichment in leaf biomass and stomatal conductance Isotopes in Environmental and Health Studies, 46 (1). pp. 122-129. ISSN 1025-6016
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Official URL: http://www.tandfonline.com/doi/abs/10.1080/1025601...
Related URL: http://dx.doi.org/10.1080/10256011003661334
Abstract
Models that explain the oxygen isotope enrichment in leaf water (and biomass) treat the relationship between the kinetic fractionation that occurs during evapotranspiration and the stomatal conductance in an empirical way. Consequently, the isotopic enrichment is always predicted to decrease with increasing stomatal conductance, regardless of the experimental evidence to the contrary. We explain why and suggest an alternative method to reconcile theory and experiment. We support this with our experimental data on rice and groundnut plants.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to Taylor and Francis Group. |
| Keywords: | Biomass; Craig-Gordon Model; Isotope Fractionation; Oxygen-18; Plants; Rice; Stomatal Conductance |
| ID Code: | 70259 |
| Deposited On: | 23 Nov 2011 06:27 |
| Last Modified: | 23 Nov 2011 06:27 |
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