Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and f...

Autores: Pierantozzi, Pierluigi; Torres, Myriam Mariela; Bodoira, Romina Mariana; Maestri, Damian
Año de publicación: 2013
Idioma: inglés
Tipo de recurso: artículo
Estado: versión publicada
Descripción: In arid and semiarid regions from Argentina, where the main olive production areas are located, evapotranspiration is high and rainfall is minimal during winter and spring months, as compared with the Mediterranean region where winter rainfall precludes the need of irrigation in such period. The aim of the work was to study water relations, biochemical–physiological and yield responses of olive trees (Olea europaea L., Arbequina and Manzanilla cultivars) under different drought stress levels applied during the pre-flowering–flowering period. Increasing levels of water deficit affected plant water relations as measured by pronounced drops of stem water potentials (near −4.0 MPa) in treatments with severe water deprivation at the end of the flowering period. Deficit irrigation was associated with some leaf-level biochemical-physiological responses (accumulation of osmotically active substances, increased concentration of high molecular weight hydrocarbons and cuticle thickening), which can be interpreted as adaptation mechanisms of olive to water deficit. Water stress was also associated with increased lipid peroxidation and decreased levels of photosynthetic pigments, stomatal conductance and photosynthetic rate. During the first crop year analyzed, a significant decrease in fruit set and fruit yield was observed in treatments under water deprivation. Also, all treatments evaluated showed strong drops in fruiting and yield parameters during the second crop year suggesting a marked bearing pattern for both olive cultivars. From a practical standpoint, little irrigation (50% ETc) may be sufficient to maintain adequate plant water potentials for the coldest winter months, but high (75% ETc) or full (100% ETc) irrigation rates could be needed by mid-August (approximately 2 months before flowering) to avoid detrimental effects of water stress on biochemical–physiological and yield parameters of olive trees cultivated in areas with dry winter-spring season. Previous article in issue Next article in issue Abbreviations CarCarotenoidsChl-aChlorophyll aChl-bChlorophyll bDWDry weightETcEstimated crop evapotranspirationEToReference evapotranspirationEVEnding valueGCGas chromatographyGC - MSGas chromatography–mass spectrometrygsStomatal conductanceIVInitial valueIWPIrrigation water productivityMDAMalondialdehydePhaePhaeophytinPnPhotosynthetic ratePROProlineRDIRegulated deficit irrigationROSReactive oxygen substancesTLCThin layer chromatographyΨstemStem water potential
EEA San Juan
Fil: Pierantozzi, Pierluigi. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Torres, Myriam Mariela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fil: Bodoira, Romina Mariana. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fil: Maestri, Damian. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal; Argentina
Fuente: Agricultural water management 125 : 13-25. (July 2013)
Materia: Olea Europaea
Estrés de Sequia
Floración
Rendimiento
Drought Stress
Flowering
Yields
Olivo
Déficit de Agua
Water Deficit
Leaf-level Responses
Nivel de accesibilidad: acceso restringido
Condiciones de uso
Repositorio
Institución: Instituto Nacional de Tecnología Agropecuaria
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spelling	Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and flowering periodPierantozzi, PierluigiTorres, Myriam MarielaBodoira, Romina MarianaMaestri, DamianOlea EuropaeaEstrés de SequiaFloraciónRendimientoDrought StressFloweringYieldsOlivoDéficit de AguaWater DeficitLeaf-level ResponsesIn arid and semiarid regions from Argentina, where the main olive production areas are located, evapotranspiration is high and rainfall is minimal during winter and spring months, as compared with the Mediterranean region where winter rainfall precludes the need of irrigation in such period. The aim of the work was to study water relations, biochemical–physiological and yield responses of olive trees (Olea europaea L., Arbequina and Manzanilla cultivars) under different drought stress levels applied during the pre-flowering–flowering period. Increasing levels of water deficit affected plant water relations as measured by pronounced drops of stem water potentials (near −4.0 MPa) in treatments with severe water deprivation at the end of the flowering period. Deficit irrigation was associated with some leaf-level biochemical-physiological responses (accumulation of osmotically active substances, increased concentration of high molecular weight hydrocarbons and cuticle thickening), which can be interpreted as adaptation mechanisms of olive to water deficit. Water stress was also associated with increased lipid peroxidation and decreased levels of photosynthetic pigments, stomatal conductance and photosynthetic rate. During the first crop year analyzed, a significant decrease in fruit set and fruit yield was observed in treatments under water deprivation. Also, all treatments evaluated showed strong drops in fruiting and yield parameters during the second crop year suggesting a marked bearing pattern for both olive cultivars. From a practical standpoint, little irrigation (50% ETc) may be sufficient to maintain adequate plant water potentials for the coldest winter months, but high (75% ETc) or full (100% ETc) irrigation rates could be needed by mid-August (approximately 2 months before flowering) to avoid detrimental effects of water stress on biochemical–physiological and yield parameters of olive trees cultivated in areas with dry winter-spring season. Previous article in issue Next article in issue Abbreviations CarCarotenoidsChl-aChlorophyll aChl-bChlorophyll bDWDry weightETcEstimated crop evapotranspirationEToReference evapotranspirationEVEnding valueGCGas chromatographyGC - MSGas chromatography–mass spectrometrygsStomatal conductanceIVInitial valueIWPIrrigation water productivityMDAMalondialdehydePhaePhaeophytinPnPhotosynthetic ratePROProlineRDIRegulated deficit irrigationROSReactive oxygen substancesTLCThin layer chromatographyΨstemStem water potentialEEA San JuanFil: Pierantozzi, Pierluigi. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Torres, Myriam Mariela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaFil: Bodoira, Romina Mariana. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal; ArgentinaFil: Maestri, Damian. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal; ArgentinaElsevier2018-11-06T16:57:01Z2018-11-06T16:57:01Z2013-07info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/3801https://www.sciencedirect.com/science/article/pii/S0378377413000942?via%3Dihub0378-3774https://doi.org/10.1016/j.agwat.2013.04.003Agricultural water management 125 : 13-25. 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dc.title.none.fl_str_mv	Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and flowering period
title	Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and flowering period
spellingShingle	Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and flowering period Pierantozzi, Pierluigi Olea Europaea Estrés de Sequia Floración Rendimiento Drought Stress Flowering Yields Olivo Déficit de Agua Water Deficit Leaf-level Responses
title_short	Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and flowering period
title_full	Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and flowering period
title_fullStr	Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and flowering period
title_full_unstemmed	Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and flowering period
title_sort	Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and flowering period
dc.creator.none.fl_str_mv	Pierantozzi, Pierluigi Torres, Myriam Mariela Bodoira, Romina Mariana Maestri, Damian
author	Pierantozzi, Pierluigi
author_facet	Pierantozzi, Pierluigi Torres, Myriam Mariela Bodoira, Romina Mariana Maestri, Damian
author_role	author
author2	Torres, Myriam Mariela Bodoira, Romina Mariana Maestri, Damian
author2_role	author author author
dc.subject.none.fl_str_mv	Olea Europaea Estrés de Sequia Floración Rendimiento Drought Stress Flowering Yields Olivo Déficit de Agua Water Deficit Leaf-level Responses
topic	Olea Europaea Estrés de Sequia Floración Rendimiento Drought Stress Flowering Yields Olivo Déficit de Agua Water Deficit Leaf-level Responses
dc.description.none.fl_txt_mv	In arid and semiarid regions from Argentina, where the main olive production areas are located, evapotranspiration is high and rainfall is minimal during winter and spring months, as compared with the Mediterranean region where winter rainfall precludes the need of irrigation in such period. The aim of the work was to study water relations, biochemical–physiological and yield responses of olive trees (Olea europaea L., Arbequina and Manzanilla cultivars) under different drought stress levels applied during the pre-flowering–flowering period. Increasing levels of water deficit affected plant water relations as measured by pronounced drops of stem water potentials (near −4.0 MPa) in treatments with severe water deprivation at the end of the flowering period. Deficit irrigation was associated with some leaf-level biochemical-physiological responses (accumulation of osmotically active substances, increased concentration of high molecular weight hydrocarbons and cuticle thickening), which can be interpreted as adaptation mechanisms of olive to water deficit. Water stress was also associated with increased lipid peroxidation and decreased levels of photosynthetic pigments, stomatal conductance and photosynthetic rate. During the first crop year analyzed, a significant decrease in fruit set and fruit yield was observed in treatments under water deprivation. Also, all treatments evaluated showed strong drops in fruiting and yield parameters during the second crop year suggesting a marked bearing pattern for both olive cultivars. From a practical standpoint, little irrigation (50% ETc) may be sufficient to maintain adequate plant water potentials for the coldest winter months, but high (75% ETc) or full (100% ETc) irrigation rates could be needed by mid-August (approximately 2 months before flowering) to avoid detrimental effects of water stress on biochemical–physiological and yield parameters of olive trees cultivated in areas with dry winter-spring season. Previous article in issue Next article in issue Abbreviations CarCarotenoidsChl-aChlorophyll aChl-bChlorophyll bDWDry weightETcEstimated crop evapotranspirationEToReference evapotranspirationEVEnding valueGCGas chromatographyGC - MSGas chromatography–mass spectrometrygsStomatal conductanceIVInitial valueIWPIrrigation water productivityMDAMalondialdehydePhaePhaeophytinPnPhotosynthetic ratePROProlineRDIRegulated deficit irrigationROSReactive oxygen substancesTLCThin layer chromatographyΨstemStem water potential EEA San Juan Fil: Pierantozzi, Pierluigi. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Torres, Myriam Mariela. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria San Juan; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Bodoira, Romina Mariana. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal; Argentina Fil: Maestri, Damian. Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Córdoba. Instituto Multidisciplinario de Biología Vegetal; Argentina
description	In arid and semiarid regions from Argentina, where the main olive production areas are located, evapotranspiration is high and rainfall is minimal during winter and spring months, as compared with the Mediterranean region where winter rainfall precludes the need of irrigation in such period. The aim of the work was to study water relations, biochemical–physiological and yield responses of olive trees (Olea europaea L., Arbequina and Manzanilla cultivars) under different drought stress levels applied during the pre-flowering–flowering period. Increasing levels of water deficit affected plant water relations as measured by pronounced drops of stem water potentials (near −4.0 MPa) in treatments with severe water deprivation at the end of the flowering period. Deficit irrigation was associated with some leaf-level biochemical-physiological responses (accumulation of osmotically active substances, increased concentration of high molecular weight hydrocarbons and cuticle thickening), which can be interpreted as adaptation mechanisms of olive to water deficit. Water stress was also associated with increased lipid peroxidation and decreased levels of photosynthetic pigments, stomatal conductance and photosynthetic rate. During the first crop year analyzed, a significant decrease in fruit set and fruit yield was observed in treatments under water deprivation. Also, all treatments evaluated showed strong drops in fruiting and yield parameters during the second crop year suggesting a marked bearing pattern for both olive cultivars. From a practical standpoint, little irrigation (50% ETc) may be sufficient to maintain adequate plant water potentials for the coldest winter months, but high (75% ETc) or full (100% ETc) irrigation rates could be needed by mid-August (approximately 2 months before flowering) to avoid detrimental effects of water stress on biochemical–physiological and yield parameters of olive trees cultivated in areas with dry winter-spring season. Previous article in issue Next article in issue Abbreviations CarCarotenoidsChl-aChlorophyll aChl-bChlorophyll bDWDry weightETcEstimated crop evapotranspirationEToReference evapotranspirationEVEnding valueGCGas chromatographyGC - MSGas chromatography–mass spectrometrygsStomatal conductanceIVInitial valueIWPIrrigation water productivityMDAMalondialdehydePhaePhaeophytinPnPhotosynthetic ratePROProlineRDIRegulated deficit irrigationROSReactive oxygen substancesTLCThin layer chromatographyΨstemStem water potential
publishDate	2013
dc.date.none.fl_str_mv	2013-07 2018-11-06T16:57:01Z 2018-11-06T16:57:01Z
dc.type.none.fl_str_mv	info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo
format	article
status_str	publishedVersion
dc.identifier.none.fl_str_mv	http://hdl.handle.net/20.500.12123/3801 https://www.sciencedirect.com/science/article/pii/S0378377413000942?via%3Dihub 0378-3774 https://doi.org/10.1016/j.agwat.2013.04.003
url	http://hdl.handle.net/20.500.12123/3801 https://www.sciencedirect.com/science/article/pii/S0378377413000942?via%3Dihub https://doi.org/10.1016/j.agwat.2013.04.003
identifier_str_mv	0378-3774
dc.language.none.fl_str_mv	eng
language	eng
dc.rights.none.fl_str_mv	info:eu-repo/semantics/restrictedAccess
eu_rights_str_mv	restrictedAccess
dc.format.none.fl_str_mv	application/pdf
dc.publisher.none.fl_str_mv	Elsevier
publisher.none.fl_str_mv	Elsevier
dc.source.none.fl_str_mv	Agricultural water management 125 : 13-25. (July 2013) reponame:INTA Digital (INTA) instname:Instituto Nacional de Tecnología Agropecuaria
reponame_str	INTA Digital (INTA)
collection	INTA Digital (INTA)
instname_str	Instituto Nacional de Tecnología Agropecuaria
repository.name.fl_str_mv	INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuaria
repository.mail.fl_str_mv	tripaldi.nicolas@inta.gob.ar
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Water relations, biochemical – physiological and yield responses of olive trees (Olea europaea L. cvs. Arbequina and Manzanilla) under drought stress during the pre-flowering and f...

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