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Título: | Control of water consumption by the olive tree |
Autor: | Fernández Luque, José Enrique CSIC ORCID ; Moreno Lucas, Félix CSIC ORCID; Girón Moreno, Ignacio F. CSIC ORCID; Blázquez, O. M. | Palabras clave: | Olea europaea Irrigation Stomata Leaf water relations |
Fecha de publicación: | ago-1997 | Editor: | International Society for Horticultural Science | Citación: | Acta Horticulturae 449 (1): 83-89 (1997) | Resumen: | Measurements of leaf water potential (psi) and stomatal conductance to H2O (g) were made in 26-year-old Manzanillo olive trees under irrigation and dry-farming conditions. On days of high water demand, the olive trees reduced water losses by closing the stomata, so preventing excessive water stress. The analysis of g values versus photosynthetically active radiation (IPAR) and vapour pressure deficit (VPD), showed that stomata were fully opened at relatively low IPARlevels, from about 500 μmol m-2 s-1. Also, g decreased with increasing VPD, for values of up to approximately 4 kPa. After plotting the relative extractable soil water (REW) values against their counterparts of pre-dawn leaf water potential (psipd), it was observed that psipd remained constant for values of REW higher than 0.4, with a mean value of -0.46 MPa. | Descripción: | 7 páginas, 5 figuras, 17 referencias.-- II International Symposium on Irrigation of Horticultural Crops, celebrado del 9-13 de septiembre 1996, en Chania, Crete, Greece. | URI: | http://hdl.handle.net/10261/86846 | ISBN: | 978-90-66058-69-9 | ISSN: | 0567-7572 |
Aparece en las colecciones: | (IRNAS) Artículos |
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Control of water.pdf | 260,26 kB | Adobe PDF | Visualizar/Abrir |
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