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Resumen
The effect of the combination of salinity and waterlogging may be additive, or alternatively, more or less detrimental than effects of them separately. Our objective was to evaluate the effects of waterlogging, salinity and the combination of both on seedlings of Panicum coloratum, a subtropical forage grass. Seedlings of cultivars Kapivera-INTA (KA) and Klein (KL) were exposed to treatments in a controlled hydroponic experiment and several morphological
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dc.contributor.author | Lifschitz, Mauro Ezequiel | |
dc.contributor.author | Tommasino, Exequiel Arturo | |
dc.contributor.author | Zabala, Juan Marcelo | |
dc.contributor.author | Grunberg, Karina | |
dc.contributor.author | Ramos, Julio Cesar | |
dc.contributor.author | Tomas, Maria Andrea | |
dc.date | info:eu-repo/date/embargoEnd/2022-10-18 | |
dc.date.accessioned | 2021-10-18T13:29:44Z | |
dc.date.available | 2021-10-18T13:29:44Z | |
dc.date.issued | 2021-09 | |
dc.identifier.issn | 0003-4746 | |
dc.identifier.issn | 1744-7348 | |
dc.identifier.other | https://doi.org/10.1111/aab.12733 | |
dc.identifier.uri | http://hdl.handle.net/20.500.12123/10512 | |
dc.identifier.uri | https://onlinelibrary.wiley.com/doi/abs/10.1111/aab.12733 | |
dc.description.abstract | The effect of the combination of salinity and waterlogging may be additive, or alternatively, more or less detrimental than effects of them separately. Our objective was to evaluate the effects of waterlogging, salinity and the combination of both on seedlings of Panicum coloratum, a subtropical forage grass. Seedlings of cultivars Kapivera-INTA (KA) and Klein (KL) were exposed to treatments in a controlled hydroponic experiment and several morphological and physiological variables evaluated. The effect of hypoxia was almost null when the plants were already in salinity. KA showed lower reduction than KL in shoot biomass. Both varieties showed synergistic effect of stresses, indicating that biomass production was less affected under the combined treatment than predicted from them separately. Root length, tips, forks and volume were reduced by saline exposure, while no differences in root architecture was noticeable between cultivars. Plants of KA increased leaf temperature in salinity. Non-enzymatic oxidative response and the activity of antioxidant enzymes increased in saline conditions and were lower in KA than in KL. Oxidative damage was equivalent between cultivars and among stress conditions. Proline content was comparable to control in hypoxia but increased significantly in saline conditions, with a higher response in KL than in KA. Increases in Na+ (over 900%) and decreases in K+ (50%) tissue concentration in salinity occurred only in KA. In general, P. coloratum proved more tolerant to hypoxia than to salinity or their combination, Kapivera-INTA being more tolerant than Klein. Findings provide basis to deepen research into tolerance mechanisms. | eng |
dc.format | application/pdf | es_AR |
dc.language.iso | eng | es_AR |
dc.publisher | Wiley | es_AR |
dc.rights | info:eu-repo/semantics/embargoedAccess | es_AR |
dc.source | Annals of Applied Biology (First published: 28 September 2021) | es_AR |
dc.subject | Panicum coloratum | es_AR |
dc.subject | Variedades | es_AR |
dc.subject | Varieties | eng |
dc.subject | Salinidad | es_AR |
dc.subject | Salinity | eng |
dc.subject | Anoxia | es_AR |
dc.subject | Estrés Oxidativo | es_AR |
dc.subject | Oxidative Stress | eng |
dc.subject.other | Hipoxia | es_AR |
dc.subject.other | Hypoxia | eng |
dc.title | Combined effect of salinity and hypoxia in seedlings of two varieties of Panicum coloratum: morphology, root system architecture, oxidative damage and antioxidant response | es_AR |
dc.type | info:ar-repo/semantics/artículo | es_AR |
dc.type | info:eu-repo/semantics/article | es_AR |
dc.type | info:eu-repo/semantics/acceptedVersion | es_AR |
dc.description.origen | EEA Rafaela | es_AR |
dc.description.fil | Fil: Lifschitz, Mauro Ezequiel. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea; Argentina | es_AR |
dc.description.fil | Fil: Lifschitz, Mauro Ezequiel. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea; Argentina | es_AR |
dc.description.fil | Fil: Tommasino, Exequiel Arturo. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Fisiología y Recursos Genéticos Vegetales; Argentina. | es_AR |
dc.description.fil | Fil: Zabala, Juan Marcelo. Universidad Nacional del Litoral. Facultad de Ciencias Agrarias. Instituto de Ciencias Agropecuarias del Litoral; Argentina | es_AR |
dc.description.fil | Fil: Zabala, Juan Marcelo. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias Agropecuarias del Litoral; Argentina | es_AR |
dc.description.fil | Fil: Grunberg, Karina. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Fisiología y Recursos Genéticos Vegetales; Argentina. | es_AR |
dc.description.fil | Fil: Grunberg, Karina. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Estudios Agropecuarios (UDEA); Argentina | es_AR |
dc.description.fil | Fil: Grunberg, Karina. Universidad Nacional del Litoral. Facultad de Ciencias Agrarias. Instituto de Ciencias Agropecuarias del Litoral; Argentina | es_AR |
dc.description.fil | Fil: Grunberg, Karina. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias Agropecuarias del Litoral; Argentina | es_AR |
dc.description.fil | Fil: Ramos, Julio Cesar. Universidad Nacional del Litoral. Facultad de Ciencias Agrarias. Instituto de Ciencias Agropecuarias del Litoral; Argentina | es_AR |
dc.description.fil | Fil: Ramos, Julio Cesar. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Ciencias Agropecuarias del Litoral; Argentina | es_AR |
dc.description.fil | Fil: Tomas, Maria Andrea. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Instituto de Investigación de la Cadena Láctea; Argentina; Argentina | es_AR |
dc.description.fil | Fil: Tomas, Maria Andrea. Consejo Nacional de Investigaciones Científicas y Técnicas. Instituto de Investigación de la Cadena Láctea; Argentina | es_AR |
dc.subtype | cientifico |
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