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Resumen
Background and Aims: Regulated deficit irrigation (RDI) and bunch thinning are two viticultural practices applied worldwide. There is limited knowledge, however, about their combined effects on carbohydrate dynamics and accumulation. We evaluated during year 3 and 4 of the experiment the effect of 4 consecutive years of RDI and bunch thinning on carbohydrate status, vegetative and reproductive variables. Methods and Results: From 2006/07 to 2009/10, we [ver mas...]
dc.contributor.authorDayer, Silvina
dc.contributor.authorPrieto, Jorge Alejandro
dc.contributor.authorGalat Giorgi, Mirta Eugenia
dc.contributor.authorPerez Peña, Jorge Esteban
dc.date.accessioned2019-03-19T11:24:08Z
dc.date.available2019-03-19T11:24:08Z
dc.date.issued2013-10
dc.identifier.issn1322-7130
dc.identifier.issn1755-0238
dc.identifier.otherhttps://doi.org/10.1111/ajgw.12044
dc.identifier.urihttps://onlinelibrary.wiley.com/doi/full/10.1111/ajgw.12044
dc.identifier.urihttp://hdl.handle.net/20.500.12123/4645
dc.description.abstractBackground and Aims: Regulated deficit irrigation (RDI) and bunch thinning are two viticultural practices applied worldwide. There is limited knowledge, however, about their combined effects on carbohydrate dynamics and accumulation. We evaluated during year 3 and 4 of the experiment the effect of 4 consecutive years of RDI and bunch thinning on carbohydrate status, vegetative and reproductive variables. Methods and Results: From 2006/07 to 2009/10, we imposed four levels of water supply [100, 60, 38 and 25% of reference evapotranspiration (ETo)] and two crop loads (100 and 50% of the bunches). We compared shoot length, flowers per inflorescence and yield in 2009/10. We also measured pruning mass and the concentration of non‐structural carbohydrates in dormant wood in the winters of 2009 and 2010. Starch concentration in the trunk was reduced by severe water deficit (25 and 38% ETo) and improved by bunch thinning. Pruning mass, shoot length, flowers per inflorescence and yield were affected in vines with water applied at 25 and 38% of ETo. Conclusions: Severe water stress and high crop load reduced trunk starch concentration with no interaction between both factors, whereas the concentration of total non‐structural carbohydrate was not affected. Vegetative growth and yield were reduced after 4 years of severe water stress.eng
dc.formatapplication/pdfes_AR
dc.language.isoenges_AR
dc.publisherWileyes_AR
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_AR
dc.sourceAustralian Journal of Grape and Wine Research 19 (3) : 422-430. (October 2013)es_AR
dc.subjectVides_AR
dc.subjectGrapevineseng
dc.subjectVariedadeses_AR
dc.subjectVarietieseng
dc.subjectCarbohidratoses_AR
dc.subjectCarbohydrateseng
dc.subjectRiegoes_AR
dc.subjectIrrigationeng
dc.subject.otherVariedad Malbeces_AR
dc.subject.otherRiego Deficitarioes_AR
dc.titleCarbohydrate reserve status of Malbec grapevines after several years of regulated deficit irrigation and crop load regulationes_AR
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articlees_AR
dc.typeinfo:eu-repo/semantics/publishedVersiones_AR
dc.description.origenEEA Mendozaes_AR
dc.description.filFil: Dayer, Silvina. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentinaes_AR
dc.description.filFil: Prieto, Jorge Alejandro. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentinaes_AR
dc.description.filFil: Galat Giorgi, Mirta Eugenia. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentinaes_AR
dc.description.filFil: Perez Peña, Jorge Esteban. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Mendoza; Argentinaes_AR
dc.subtypecientifico


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