Effects of pre- and post-veraison cluster thinning on Montepulciano and Cabernet Franc grape varieties in southern Brazil highlands

Authors

  • José Luiz Marcon Filho Federal University of Parana
  • Douglas André André Würz Santa Catarina State University
  • Alberto Fontanella Brighenti Empresa de Pesquisa Agropecuária e Extensão Rural de Santa Catarina
  • Ricardo Allebrandt Santa Catarina State University
  • Leonardo Cury Instituto Federal do Rio Grande do Sul
  • Betina Pereira de Bem Santa Catarina State University
  • Leo Rufato Santa Catarina State University
  • Aike Anneliese Kretzschmar Santa Catarina State University

DOI:

https://doi.org/10.5965/223811711732018444

Keywords:

Vitis vinifera L., management, ripening, total polyphenols, altitude wines

Abstract

The objective of this study was to evaluate the effects of pre- and post-veraison cluster thinning on the physicochemical characteristics of Montepulciano and Cabernet Franc grape varieties grown in regions 900 m above sea level (ASL) in Santa Catarina, southern region of Brazil. The experiment was conducted in two commercial vineyards, Montepulciano vineyard located at 28º12'58''S, 50º06'45''W, 1,185 m ASL during the 2007, 2008 and 2009 vintages; and Cabernet Franc vineyard located at 28°15'20"S, 49°56'60"W, 1,284 m ASL, during the 2010 and 2011 vintages. Treatments consisted on cluster thinning at three distinct moments for both varieties: during veraison, about 15 days pre-veraison and 15 days post-veraison. For Montepulciano, when cluster thinning is performed post-veraison, there is a reduction in cluster mass and a slight reduction on the acidity of grapes. For Cabernet Franc, when cluster thinning is performed during veraison, there is an increase in total soluble solids of grapes. In general, cluster thinning is recommended two weeks pre- or post-veraison for Montepulciano and Cabernet Franc wine grapes produced in southern Brazilian highlands.

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Author Biography

José Luiz Marcon Filho, Federal University of Parana

Engenheiro Agrônomo, Mestre em Produção Vegetal. Doutorado Sanduiche na Universidade de Auckland, Nova Zelândia. Atualmente está cursando o Doutorado em Produção Vegetal no Centro de Ciências Agroveterinárias -CAV/UDESC.

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Published

2018-09-26

How to Cite

MARCON FILHO, José Luiz; ANDRÉ WÜRZ, Douglas André; BRIGHENTI, Alberto Fontanella; ALLEBRANDT, Ricardo; CURY, Leonardo; DE BEM, Betina Pereira; RUFATO, Leo; KRETZSCHMAR, Aike Anneliese. Effects of pre- and post-veraison cluster thinning on Montepulciano and Cabernet Franc grape varieties in southern Brazil highlands. Revista de Ciências Agroveterinárias, Lages, v. 17, n. 3, p. 444–449, 2018. DOI: 10.5965/223811711732018444. Disponível em: https://periodicos.udesc.br/index.php/agroveterinaria/article/view/10331. Acesso em: 21 nov. 2024.

Issue

Vol. 17 No. 3 (2018)

Section

Research Note - Science of Plants and Derived Products

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