Influence of deficit irrigation and warming on plant water status during the late winter and spring in young olive trees
Changes in rainfall patterns and increases in ambient air temperature (i.e., warming) are expected with climate change. Yet, little information is available on how plant water status will respond to the combination of water deficit and increased air temperature in fruit tree species. The objective o...
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| Format: | info:ar-repo/semantics/artículo |
| Language: | Inglés |
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Elsevier
2022
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| Subjects: | |
| Online Access: | http://hdl.handle.net/20.500.12123/13646 https://www.sciencedirect.com/science/article/pii/S0378377422005777 https://doi.org/10.1016/j.agwat.2022.108030 |
| _version_ | 1855036973971931136 |
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| author | Iglesias, Maria Agustina Rousseaux, María Cecilia Aguero Alcaras, Luis Martin Hamze, Leila Searles, Peter Stoughton |
| author_browse | Aguero Alcaras, Luis Martin Hamze, Leila Iglesias, Maria Agustina Rousseaux, María Cecilia Searles, Peter Stoughton |
| author_facet | Iglesias, Maria Agustina Rousseaux, María Cecilia Aguero Alcaras, Luis Martin Hamze, Leila Searles, Peter Stoughton |
| author_sort | Iglesias, Maria Agustina |
| collection | INTA Digital |
| description | Changes in rainfall patterns and increases in ambient air temperature (i.e., warming) are expected with climate change. Yet, little information is available on how plant water status will respond to the combination of water deficit and increased air temperature in fruit tree species. The objective of this study was to evaluate the individual responses of deficit irrigation and warming and their combination on plant water status during the late winter and spring in young olive trees. Two temperature and two irrigation levels were applied in open top chambers during the late winter and spring of 2018 and 2019 to two- or three-year-old, potted trees (cv. Arbequina in 2018; Coratina in 2019). The temperature levels were a near-ambient control and a warming treatment that was 4 °C above the control, while the two irrigation levels were 100% and 50% of irrigation needs. Midday stem water potential (Ψs), stomatal conductance, net leaf photosynthesis, transpiration, and leaf temperature were measured periodically, and the difference between leaf and air temperature (ΔT) was calculated. The Ψs generally decreased due to irrigation deficit and warming when applied individually. When both treatments were combined, an additive response was observed. In contrast, stomatal conductance and net photosynthesis were consistently decreased by deficit irrigation, but were less affected by warming. Irrigation deficit did not affect leaf temperature under our experimental conditions. As was expected, warming most often increased leaf temperature, but it also significantly decreased ΔT early in the season when leaf transpiration appeared to be greater due to warming. The results indicate that modifications in water management with global warming will likely be required given the mostly negative individual or additive effects of irrigation deficit and air temperature on Ψs and other variables. |
| format | info:ar-repo/semantics/artículo |
| id | INTA13646 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2022 |
| publishDateRange | 2022 |
| publishDateSort | 2022 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | INTA136462023-01-05T13:35:12Z Influence of deficit irrigation and warming on plant water status during the late winter and spring in young olive trees Iglesias, Maria Agustina Rousseaux, María Cecilia Aguero Alcaras, Luis Martin Hamze, Leila Searles, Peter Stoughton Olea Europaea Irrigación Deficitaria Relaciones Planta Agua Invierno Primavera Calentamiento Global Deficit Irrigation Plant Water Relations Winter Spring Global Warming Olivo Riego Deficitario Changes in rainfall patterns and increases in ambient air temperature (i.e., warming) are expected with climate change. Yet, little information is available on how plant water status will respond to the combination of water deficit and increased air temperature in fruit tree species. The objective of this study was to evaluate the individual responses of deficit irrigation and warming and their combination on plant water status during the late winter and spring in young olive trees. Two temperature and two irrigation levels were applied in open top chambers during the late winter and spring of 2018 and 2019 to two- or three-year-old, potted trees (cv. Arbequina in 2018; Coratina in 2019). The temperature levels were a near-ambient control and a warming treatment that was 4 °C above the control, while the two irrigation levels were 100% and 50% of irrigation needs. Midday stem water potential (Ψs), stomatal conductance, net leaf photosynthesis, transpiration, and leaf temperature were measured periodically, and the difference between leaf and air temperature (ΔT) was calculated. The Ψs generally decreased due to irrigation deficit and warming when applied individually. When both treatments were combined, an additive response was observed. In contrast, stomatal conductance and net photosynthesis were consistently decreased by deficit irrigation, but were less affected by warming. Irrigation deficit did not affect leaf temperature under our experimental conditions. As was expected, warming most often increased leaf temperature, but it also significantly decreased ΔT early in the season when leaf transpiration appeared to be greater due to warming. The results indicate that modifications in water management with global warming will likely be required given the mostly negative individual or additive effects of irrigation deficit and air temperature on Ψs and other variables. EEA Chilecito Fil: Iglesias, Maria Agustina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Iglesias, Maria Agustina. Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Iglesias, Maria Agustina. Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de la Rioja; Argentina Fil: Iglesias, Maria Agustina. Secretaria de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Iglesias, Maria Agustina. Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de la Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Secretaria de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Rousseaux, Maria Cecilia. Universidad Nacional de La Rioja. Departamento de Ciencias Exactas, Físicas y Naturales; Argentina Fil: Aguero Alcaras, Luis Martin. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Chilecito. Agencia de Extensión Rural Aimogasta; Argentina Fil: Hamze, Leila. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Hamze, Leila. Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Hamze, Leila. Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de la Rioja; Argentina Fil: Hamze, Leila. Secretaria de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Hamze, Leila. Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Searles, Peter Stoughton. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Searles, Peter Stoughton. Universidad Nacional de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Searles, Peter Stoughton. Universidad Nacional de Catamarca. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de la Rioja; Argentina Fil: Searles, Peter Stoughton. Secretaria de Industria y Minería. Servicio Geológico Minero Argentino. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina Fil: Searles, Peter Stoughton. Provincia de La Rioja. Centro Regional de Investigaciones Científicas y Transferencia Tecnológica de La Rioja; Argentina 2022-12-19T11:50:48Z 2022-12-19T11:50:48Z 2023-01 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/13646 https://www.sciencedirect.com/science/article/pii/S0378377422005777 0378-3774 1873-2283 https://doi.org/10.1016/j.agwat.2022.108030 eng info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by-nc-sa/4.0/ Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) application/pdf Elsevier Agricultural Water Management 275 : 108030 (January 2023) |
| spellingShingle | Olea Europaea Irrigación Deficitaria Relaciones Planta Agua Invierno Primavera Calentamiento Global Deficit Irrigation Plant Water Relations Winter Spring Global Warming Olivo Riego Deficitario Iglesias, Maria Agustina Rousseaux, María Cecilia Aguero Alcaras, Luis Martin Hamze, Leila Searles, Peter Stoughton Influence of deficit irrigation and warming on plant water status during the late winter and spring in young olive trees |
| title | Influence of deficit irrigation and warming on plant water status during the late winter and spring in young olive trees |
| title_full | Influence of deficit irrigation and warming on plant water status during the late winter and spring in young olive trees |
| title_fullStr | Influence of deficit irrigation and warming on plant water status during the late winter and spring in young olive trees |
| title_full_unstemmed | Influence of deficit irrigation and warming on plant water status during the late winter and spring in young olive trees |
| title_short | Influence of deficit irrigation and warming on plant water status during the late winter and spring in young olive trees |
| title_sort | influence of deficit irrigation and warming on plant water status during the late winter and spring in young olive trees |
| topic | Olea Europaea Irrigación Deficitaria Relaciones Planta Agua Invierno Primavera Calentamiento Global Deficit Irrigation Plant Water Relations Winter Spring Global Warming Olivo Riego Deficitario |
| url | http://hdl.handle.net/20.500.12123/13646 https://www.sciencedirect.com/science/article/pii/S0378377422005777 https://doi.org/10.1016/j.agwat.2022.108030 |
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