Differences in water-use-efficiency between two Vitis vinifera cultivars (Grenache and Tempranillo) explained by the combined response of stomata to hydraulic and chemical signals during water stress
9 páginas.-- 7 figuras.-- 2 tablas.-- 55 referencias
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| Format: | artículo biblioteca |
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Elsevier
2015
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| Subjects: | Grapevine, Hydraulic conductance, Abscisic acid, Water use efficiency, Osmotic adjustment, |
| Online Access: | http://hdl.handle.net/10261/115424 |
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dig-irnas-es-10261-1154242022-05-03T10:18:43Z Differences in water-use-efficiency between two Vitis vinifera cultivars (Grenache and Tempranillo) explained by the combined response of stomata to hydraulic and chemical signals during water stress Martorell, Sebastià Díaz-Espejo, Antonio Tomàs, Magdalena Pou, Alicia El Aououad, H. Escalona, José Mariano Vadell, Jaume Ribas-Carbó, Miquel Flexas, Jaume Medrano Gil, Hipólito Grapevine Hydraulic conductance Abscisic acid Water use efficiency Osmotic adjustment 9 páginas.-- 7 figuras.-- 2 tablas.-- 55 referencias © 2015 Elsevier B.V. Knowledge about regulation of stomatal conductance is necessary to improve grapevine water use efficiency. The vast range of grapevine cultivars may allow choosing the best-performing ones to global changing conditions provided the understanding and characterization of their physiological responses. In this study, a comparison between two cultivars (Tempranillo and Grenache) with different reputation in water use efficiency was performed during two experimental years in field-conditions. Water relations, leaf gas exchange and abscisic acid (ABA) dynamics were measured at different phenological stages along the growing seasons. A clear difference in the regulation of leaf water relations was observed between cultivars under water stress conditions. Specifically, results showed that there is a clear relationship between hydraulic conductance (K<inf>h</inf>) and stomatal regulation. However, ABA can exert a differentiating role on stomatal control during different stages within the grapevine growth period. Furthermore, this study showed that differences in osmotic adjustment could lead to substantial differentiation in the stomatal regulation and the leaf water use efficiency. This work was funded by the Spanish Ministry of Science and innovation (research projects AGL2008-04525-C02-01, AGL2009-11310/AGR and AGL2011-30408-C04-01). S.M. benefited from a FPI grant BES-2009-016906 from the Spanish Ministry of Science and Innovation. We thank Dr. Sigfredo Fuentes for valuable comments on the manuscript and assistance with English editing. Also we are very grateful to the facilitation in the use of the UHPLC-MS-MS for ABA analysis at CITIUS, University of Seville. Peer Reviewed 2015-05-19T12:41:26Z 2015-05-19T12:41:26Z 2015 2015-05-19T12:41:27Z artículo http://purl.org/coar/resource_type/c_6501 doi: 10.1016/j.agwat.2015.03.011 issn: 1873-2283 Agricultural Water Management 156: 1- 9 (2015) http://hdl.handle.net/10261/115424 10.1016/j.agwat.2015.03.011 http://dx.doi.org/10.1016/j.agwat.2015.03.011 Sí none Elsevier |
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Grapevine Hydraulic conductance Abscisic acid Water use efficiency Osmotic adjustment Grapevine Hydraulic conductance Abscisic acid Water use efficiency Osmotic adjustment |
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Grapevine Hydraulic conductance Abscisic acid Water use efficiency Osmotic adjustment Grapevine Hydraulic conductance Abscisic acid Water use efficiency Osmotic adjustment Martorell, Sebastià Díaz-Espejo, Antonio Tomàs, Magdalena Pou, Alicia El Aououad, H. Escalona, José Mariano Vadell, Jaume Ribas-Carbó, Miquel Flexas, Jaume Medrano Gil, Hipólito Differences in water-use-efficiency between two Vitis vinifera cultivars (Grenache and Tempranillo) explained by the combined response of stomata to hydraulic and chemical signals during water stress |
| description |
9 páginas.-- 7 figuras.-- 2 tablas.-- 55 referencias |
| format |
artículo |
| topic_facet |
Grapevine Hydraulic conductance Abscisic acid Water use efficiency Osmotic adjustment |
| author |
Martorell, Sebastià Díaz-Espejo, Antonio Tomàs, Magdalena Pou, Alicia El Aououad, H. Escalona, José Mariano Vadell, Jaume Ribas-Carbó, Miquel Flexas, Jaume Medrano Gil, Hipólito |
| author_facet |
Martorell, Sebastià Díaz-Espejo, Antonio Tomàs, Magdalena Pou, Alicia El Aououad, H. Escalona, José Mariano Vadell, Jaume Ribas-Carbó, Miquel Flexas, Jaume Medrano Gil, Hipólito |
| author_sort |
Martorell, Sebastià |
| title |
Differences in water-use-efficiency between two Vitis vinifera cultivars (Grenache and Tempranillo) explained by the combined response of stomata to hydraulic and chemical signals during water stress |
| title_short |
Differences in water-use-efficiency between two Vitis vinifera cultivars (Grenache and Tempranillo) explained by the combined response of stomata to hydraulic and chemical signals during water stress |
| title_full |
Differences in water-use-efficiency between two Vitis vinifera cultivars (Grenache and Tempranillo) explained by the combined response of stomata to hydraulic and chemical signals during water stress |
| title_fullStr |
Differences in water-use-efficiency between two Vitis vinifera cultivars (Grenache and Tempranillo) explained by the combined response of stomata to hydraulic and chemical signals during water stress |
| title_full_unstemmed |
Differences in water-use-efficiency between two Vitis vinifera cultivars (Grenache and Tempranillo) explained by the combined response of stomata to hydraulic and chemical signals during water stress |
| title_sort |
differences in water-use-efficiency between two vitis vinifera cultivars (grenache and tempranillo) explained by the combined response of stomata to hydraulic and chemical signals during water stress |
| publisher |
Elsevier |
| publishDate |
2015 |
| url |
http://hdl.handle.net/10261/115424 |
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| _version_ |
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