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Revista Brasileira de Fruticultura

Print version ISSN 0100-2945On-line version ISSN 1806-9967


SATO, Alessandro Jefferson et al. Physico-chemical and productive characteristics of 'Isabel' and 'Brs-rúbea' grapes on different rootstocks in north of Paraná region. Rev. Bras. Frutic. [online]. 2008, vol.30, n.2, pp.553-556. ISSN 0100-2945.

The aim of this research was to evaluate the physical-chemical and productive characteristics of 'Isabel' (Vitis labrusca) and 'BRS-Rúbea' (V. labrusca) vines grafted on 'IAC 766 Campinas', 'IAC 572 Jales' and '420 A' rootstocks designated for the production of grape juice in the North of Paraná. After pruning, it was registered the average number of bud and spurs per tree, and at the moment of the harvest, it was evaluated the content of the total soluble solids (TSS), tritable acidity (TA), maturation rate TSS/TA and pH of berry must, besides the mass and the length of the bunches, the mass and the diameter of the berries and the number of bunches per tree and per ha. It was also estimated the production (kg/plant) and productivity (t/ha) of the combinations crown/rootstock. It was verified that the rootstocks had influenced the grapevines only in relation to the number of spurs and buds per tree and ha, with prominence to 'Isabel' over 'IAC 766 Campinas'. The 'Isabel' presented higher TSS content in relation to the 'BRS-Rúbea' however, for the AT and SST/AT there was no significant difference between the cultivars, and the 'Isabel' must pH was lower in relation to the 'BRS-Rúbea'. Concerning the physical and productive characteristics, the 'Isabel' presented higher values when comparing to the 'BRS Rubea'.

Keywords : Vitis labrusca; grape juice; total solid soluble; tritable acidity; pH.

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