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Revista Brasileira de Fruticultura

versão impressa ISSN 0100-2945

Resumo

LEAO, Patrícia Coelho de Souza; BRANDAO, Elieth Oliveira  e  GONCALVES, Nadja Pollyanna da Silva. Agronomic and molecular traits of the 'Italia Muscat' clone in Sao Francisco River Valley. Rev. Bras. Frutic. [online]. 2011, vol.33, n.1, pp.297-302.  Epub 18-Mar-2011. ISSN 0100-2945.  https://doi.org/10.1590/S0100-29452011005000024.

The objective of this study was to evaluate agronomic and molecular traits of the 'Italia Muscat' clone and compare it with the cv. 'Italia', providing information to support the cultivation of 'Italia Muscat' this cultivar in the São Francisco River Valley. Agronomic characteristics of both clones were evaluated for two seasons in 2004. The characteristics were phenology, bud break (%), bud fertility (%), yield (kg) mass of bunches (g), length and width of bunches (cm), mass of berries (g), length and diameter of berries (mm), TSS (ºBrix), ATT (% titratable acidity) and TSS/TTA. Molecular analysis of seven SSR markers were carried out. The clone 'Italia Muscat' showed larger berries, mass of bunches and better TSS/TA ratio than 'Italia'. The molecular analysis resulted in the same allelic profile in both clones, highlighting the need to use a larger number of microsatellite markers or other molecular technique to allow their discrimination. Based on their morpho-agronomic characteristics, 'Italia Muscat' seems to be a good table grape cultivar alternative for grape growers of São Francisco River Valley.

Palavras-chave : table grape; 'Itália Muscat'; behavior; grapevine cultivars.

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