organic production of red wine grapes under plastic cover in subtropical region of brazil produção orgânica de uvas para vinho tinto sob cobertura plástica em região subtropical do brasil

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ID: 140996
2011
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Abstract
A trial was carried out aiming to evaluate the development and yield of red wine grapevines under plastic cover in an organic production system in Guarapuava, the Central-Southern region of Paraná State, Brazil. The experimental design was in a randomized blocks, in a 5x2 factorial arrangement (cultivars x rootstocks), with five red wine vine cultivars (Merlot, Malbec, Carbenet Sauvignon, Ives and Early Isabella) and two rootstocks (Paulsen 1103 e VR 043-43). The grafted grapevines were planted in September of 2005 and the evaluations carried out for the three first productive cycles (2006/2007, 2007/2008, 2008/2009). The following variables were evaluated: phenological growth stages, number of clusters, average cluster weight, total yield, total soluble solids content and fresh weight of pruning material. The cultivation of wine grapevines in an organic system under plastic cover demonstrated viability, inhibiting the incidence of diseases and reducing the needs of control. The most limiting factor was the damage caused by wasps and bees that decreased cluster harvest. Despite this problem, between tested grapevine cultivars, the Early Isabella was the most productive in all years, while Malbec was also outstanding in the first cycle. VR 043-43 hybrid could be a suitable rootstock for red wine production in areas infested by 'Perola da Terra' scale insects (Eurhizococcus brasiliensis).
Um experimento foi conduzido com o objetivo de avaliar o desenvolvimento e produtividade de uvas para vinho tinto sob cobertura plástica, em sistema orgânico, em Guarapuava, região centro-sul do estado do Paraná, Brasil. O delineamento experimental foi em blocos casualizados, em esquema fatorial 5x2 (cultivares x porta-enxertos), com cinco cultivares de vinho tinto (Merlot, Malbec, Cabernet Sauvignon, Bordô e Isabel Precoce) e dois porta-enxertos (Paulsen 1103e VR 043-43). As videiras enxertadas foram plantadas em setembro de 2005 e as avaliações foram conduzidas nos três primeiros ciclos produtivos (2006/2007, 2007/2008, 2009/2009). Foram avaliadas as seguintes variáveis: estádios fenológicos, número de cachos, massa média dos cachos, produtividade, teor de sólidos solúveis totais e massa fresca do material de poda. O cultivo de videiras para vinificação em sistema orgânico sob cobertura plástica demonstrou ser viável, inibindo a incidência de doenças e reduzindo a necessidade de controle. O fator mais limitante foi o ataque de vespas e abelhas que severamente reduziram a colheita de cachos. Apesar desse problema, entre as cultivares de videira testadas, a Isabel Precoce foi a mais produtiva em todos os anos, enquanto a 'Malbec' foi também superior no primeiro ciclo. O híbrido 'VR 043-43' poderia ser um porta-enxerto adequado para a produção de uvas para vinho tinto em áreas infestadas com pérola-da-terra (Eurhizococcus brasiliensis).
Reference Key
botelho2011cinciaorganic Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Renato Vasconcelos Botelho;Alexandre Pozzobom Pavanello;Erasmo José Paoli Pires;Maurilo Monteiro Terra;Marcelo Marques Lopes Müller
Journal information and software technology
Year 2011
DOI
10.1590/S1413-70542011000600020
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542011000600020
Keywords
grapevines

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