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Revista Brasileira de Fruticultura
versão impressa ISSN 0100-2945
MOTA, Renata Vieira da et al. Fruit composition of 'Niágara Rosada' and 'Folha-de-Figo' grapevines under different training systems. Rev. Bras. Frutic. [online]. 2010, vol.32, n.4, pp. 1116-1126. Epub 14-Jan-2011. ISSN 0100-2945. http://dx.doi.org/10.1590/S0100-29452011005000010.
ABSTRACT This work aimed on evaluating the influence of training systems in berries composition of 'Niágara Rosada' and 'Folha-de-Figo' grapevines grown in Caldas, MG. Yield per plant; diameter, weight, temperature and potassium content of the berries; pH, soluble solids, reducing sugars, total acidity and organic acids of the must; anthocyanins and phenolic compounds of the skins and phenolic compounds of the seeds were evaluated in grapevines training in vertical shoot position, lyre trellis, pergola Veronese or simple string in 2006 and 2007 seasons. 'Niágara Rosada' and 'Folha-de-Figo' grapevines training in pergola Veronese and lyre trellis, respectively, showed higher yield than the other training systems under study. Berries grown under the four different training systems were cooler than ambient temperature, resulting from partial or deep shade clusters. Berries harvested from pergola Veronese trellis system showed lower soluble solids and reducing sugars levels in both cultivars. These preliminary data show that training systems exerted little influence on berries composition.
Palavras-chave : Vitis labrusca; phenolic compounds; sugars; anthocyanins; management; quality.