Leaf removal timing and its influence on wine grape performance ‘Sauvignon Blanc’ in high altitude region

Authors

  • Douglas André Würz Santa Catarina State University image/svg+xml
  • Ricardo Allebrandt Santa Catarina State University image/svg+xml
  • José Luiz Marcon Filho Vinícola Legado
  • Betina Pereira de Bem Santa Catarina State University image/svg+xml
  • Alberto Fontanella Brighenti Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina image/svg+xml
  • Leo Rufato Santa Catarina State University image/svg+xml
  • Aike Anneliese Kretzschmar Santa Catarina State University image/svg+xml

DOI:

https://doi.org/10.5965/223811711712018091

Keywords:

Vitis vinifera L., canopy management, early leaf removal, vitis, wine

Abstract

The winegrape is characterized as a demanding species in cultural dealings and in order to reach optimal conditions at the time of harvest it is fundamental that the management techniques are adequate the characteristics of each region, being the leaf removal has been an important management of the vegetative canopy, which can improve the chemical composition of the bunches and increase the productive efficiency of the vine. The objective of this study was to evaluate the leaf removal effect on the agronomic performance and maturation ad the productive efficiency of the Sauvignon Blanc grape in high altitude regions of Santa Catarina. The experiment was conducted in 2015 and 2016 vintages, in a commercial vineyard, located in São Joaquim, Santa Catarina State (28°17’39”S; 49°55’56”W, altitude 1,230m a.s.l.). The leaf removal was carried out in cluster zone in the following phenological stages: full bloom, buckshot berries, pea-sized berries, veraison, 15 days after veraison and control without leaf removal. The results were submitted to analysis of variance and Scott-Knott test (5% probability). It was observed that the leaf removal carried before veraison increase the fertility index. The leaf removal carried out in the phenological pea-sized berries and veraison presented the highest yields in relation to the other phenological stages and plants not submitted to the management of leaf removal. In addition, the leaf removal improved the technological and phenolic maturation of the Sauvignon Blanc grape when it was carried out in the phenological stages buckshot berries and pea-sized berries in the two harvests evaluated. The results of this study evidenced the importance the leaf removal to obtain a must with potential for the elaboration of quality fine wines, especially when carried out between the phenological stages of buckshot berries and pea-sized berries. Therefore, the leaf removal of the Sauvignon Blanc grapevine in high altitude regions should be considered an indispensable management practice for the vitivinicultor.

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Author Biographies

Douglas André Würz, Santa Catarina State University

Engenheiro Agrônomo e Sommelier Internacional, com experiência na área de Viticultura, Enologia e Análise Sensorial de Vinhos. Especialista em Proteção de Plantas pela Universidade Federal de Viçosa (UFV) e especialista em Agronegócio (Unicesumar). Atualmente é Mestrando em Produção Vegetal da Universidade do Estado de Santa Catarina - UDESC, atuando na área de Viticultura e Enologia.

Ricardo Allebrandt, Santa Catarina State University

Engenheiro Agrônomo formado na Universidade Federal de Santa Catarina (UFSC). Mestre em Produção Vegetal pela Universidade do Estado de Santa Catarina (UDESC). Atualmente é aluno de Doutorado do Programa de Pós-Graduação em Produção Vegetal, da Universidade do Estado de Santa Catarina (UDESC).

José Luiz Marcon Filho, Vinícola Legado

Possui graduação em Agronomia pela Universidade do Estado de Santa Catarina (2009), mestrado em Produção Vegetal pela Universidade do Estado de Santa Catarina (2012) e doutorado em Produção Vegetal pela Universidade do Estado de Santa Catarina (2016), com período de doutorado Sanduíche na Universidade de Auckland, Nova Zelândia.

 

Betina Pereira de Bem, Santa Catarina State University

Engenheira Agrônoma formada pela Universidade Federal de Santa Catarina (UFSC). Mestre no curso de Produção Vegetal pela Universidade do Estado de Santa Catarina (UDESC), na área de fruticultura com ênfase em fitopatologia e técnicas de manejo em fruteiras de clima temperado. Atualmente é doutoranda do Programa de Pós-Graduação em Produção Vegetal da Universidade do Estado de Santa Catarina - Centro de Ciências Agroveterinárias (CAV- UDESC).

Alberto Fontanella Brighenti, Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina

Engenheiro Agrônomo formado pela Universidade do Estado de Santa Catarina (2007). Mestre em Produção Vegetal pela Universidade do Estado de Santa Catarina (2010). Doutor pelo programa de pós-graduação em Recursos Genéticos Vegetais pela Universidade Federal de Santa Catarina (2014). Atualmente é pesquisador da Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina (Epagri). E-mail para contato: albertobrighenti@epagri.sc.gov.br

 

Leo Rufato, Santa Catarina State University

Leo Rufato possui graduação em Agronomia pela Universidade Tecnológica Federal do Paraná (1996), mestrado em Fruticultura de Clima Temperado pela Faculdade de Agronomia Eliseu Maciel (1999), doutorado em Fruticultura de Clima Temperado pela Faculdade de Agronomia Eliseu Maciel (2004), com estágio doutorado sanduiche - Universita di Bologna (2002), Pós doutorado por Cornell University (2014), Atualmente é professor da Universidade do Estado de Santa Catarina no curso de Agronomia e Pós Graduação em Produção Vegeta da mesma Universidade.

Aike Anneliese Kretzschmar, Santa Catarina State University

Possui graduação em Agronomia pela Universidade Federal de Santa Catarina (1987), mestrado em Fruticultura de Clima Temperado pela Universidade Federal de Pelotas (1991) e doutorado em Fitotecnia pela Universidade Federal do Rio Grande do Sul (2004). Atualmente é professora efetiva da Universidade do Estado de Santa Catarina.

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Published

2018-03-16

How to Cite

WÜRZ, Douglas André; ALLEBRANDT, Ricardo; MARCON FILHO, José Luiz; BEM, Betina Pereira de; BRIGHENTI, Alberto Fontanella; RUFATO, Leo; KRETZSCHMAR, Aike Anneliese. Leaf removal timing and its influence on wine grape performance ‘Sauvignon Blanc’ in high altitude region. Revista de Ciências Agroveterinárias, Lages, v. 17, n. 1, p. 91–99, 2018. DOI: 10.5965/223811711712018091. Disponível em: https://revistas.udesc.br/index.php/agroveterinaria/article/view/9641. Acesso em: 22 nov. 2024.

Issue

Vol. 17 No. 1 (2018)

Section

Research Article - Science of Plants and Derived Products

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