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dc.contributor.author
Ahumada, Gaston Emmanuel  
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Pirrone, Miguel  
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Segura, Diana María  
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Belmonte, Marcelo  
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Giordano, Carla Valeria  
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Gonzalez, Carina Veronica  
dc.date.available
2022-12-01T18:46:29Z  
dc.date.issued
2021  
dc.identifier.citation
Effect of shoot trimming on yield, fruit maturity, and reserves in Malbec vineyards under a single high-wire trellis system; 72° American Society for Enology and Viticulture National Conference; California; Estados Unidos; 2021; 27-28  
dc.identifier.uri
http://hdl.handle.net/11336/179901  
dc.description.abstract
Argentina is the world's fifth largest wine producer and Malbec is its most emblematic variety. Vineyards producing high-quality winegrapes are mainly trellised to vertical shoot-positioned systems. The single high-wire (SHW) system is a highly productive free canopy trellising/training system used in many world wine regions. We evaluated, for the first time in Argentina, the effect of different shoot-trimming levels on leaf area development, yield, grape maturity, and reserve levels of Malbec (clone 598) from SHW-trellised vineyards in Mendoza (Winkler = V). We imposed differenttotal leaf areas (TLA) by shoot-trimming, varying shoot length at full bloom (0.45 m, 0.80 m, or untrimmed) during three growing seasons (2017, 2018, and 2019). We measured yield and fruit composition at harvest and soluble and structural reserves in trunk and canes at leaf fall. Different shoot-trimming levels produced different total leaf area development. The 0.8 m treatment produced 30% less TLA than the untrimmed treatment, while the 0.45 m treatment produced 60% less TLA than the untrimmed treatment, consistently among seasons. The treatments affected yield differentially by season. Overall, the untrimmed treatment had the greatest yields. The 0.80 m treatment, while producing high yields in the second season, was not sustained in the third season and declined to similar yield values as the 0.45 m treatment. This drop in yield could be due to the decrease of starch in the trunk during the second season. On the other hand, grape maturity was greater in the 0.80 m and untrimmed treatments. Our results suggest that the untrimmed treatment produces greater sustained yields over time, with good levels of reserves and grape maturity.  
dc.format
application/pdf  
dc.language.iso
eng  
dc.publisher
American Society for Enology and Viticulture  
dc.rights
info:eu-repo/semantics/restrictedAccess  
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/  
dc.subject
MALBEC  
dc.subject
SINGLE HIGH WIRE  
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ARGENTINA  
dc.subject.classification
Horticultura, Viticultura  
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Agricultura, Silvicultura y Pesca  
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CIENCIAS AGRÍCOLAS  
dc.title
Effect of shoot trimming on yield, fruit maturity, and reserves in Malbec vineyards under a single high-wire trellis system  
dc.type
info:eu-repo/semantics/publishedVersion  
dc.type
info:eu-repo/semantics/conferenceObject  
dc.type
info:ar-repo/semantics/documento de conferencia  
dc.date.updated
2022-09-14T16:22:55Z  
dc.journal.pagination
27-28  
dc.journal.pais
Estados Unidos  
dc.journal.ciudad
California  
dc.description.fil
Fil: Ahumada, Gaston Emmanuel. Grupo Peñaflor S.A; Argentina  
dc.description.fil
Fil: Pirrone, Miguel. Grupo Peñaflor S.A; Argentina  
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Fil: Segura, Diana María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Biología Agrícola de Mendoza. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Biología Agrícola de Mendoza; Argentina  
dc.description.fil
Fil: Belmonte, Marcelo. Grupo Peñaflor S.A; Argentina  
dc.description.fil
Fil: Giordano, Carla Valeria. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas. Provincia de Mendoza. Instituto Argentino de Investigaciones de las Zonas Áridas. Universidad Nacional de Cuyo. Instituto Argentino de Investigaciones de las Zonas Áridas; Argentina  
dc.description.fil
Fil: Gonzalez, Carina Veronica. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Mendoza. Instituto de Biología Agrícola de Mendoza. Universidad Nacional de Cuyo. Facultad de Ciencias Agrarias. Instituto de Biología Agrícola de Mendoza; Argentina  
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dc.coverage
Internacional  
dc.type.subtype
Conferencia  
dc.description.nombreEvento
72° American Society for Enology and Viticulture National Conference  
dc.date.evento
2021-06-21  
dc.description.ciudadEvento
California  
dc.description.paisEvento
Estados Unidos  
dc.type.publicacion
Book  
dc.description.institucionOrganizadora
American Society for Enology and Viticulture  
dc.source.libro
72° American Society for Enology and Viticulture National Conference: Technical Abstracts  
dc.date.eventoHasta
2021-06-24  
dc.type
Conferencia