Abstract
Abstract The increase of rural tourism activities has led growers to use different grape cultivars for the production of wine and/or juice. Thus, the aim of this study was to evaluate the phytotechnical characteristics of grapevines and physicochemical characteristics of grape must obtained for Bordô, Isabel Precoce, BRS Violeta, Isabel and Concord cultivars in different training systems: vertical shoot position; Y-shaped trellis and V-shaped trellis with double spur cordon. The experimental design was randomized blocks for comparison of cultivars within each training system and analysis of the main components for productivity variables was carried out. BRS Violeta cultivar showed higher bunch weight values regardless of training system. Bordô cultivar showed lower yield values and soluble solids content in comparison to other cultivars. Isabel and Isabel Precoce cultivars in the evaluated training systems showed higher soluble solids content. Principal component analysis allowed verifying that in Y-shaped trellis and V-shaped trellis with double spur cordon training systems, cultivars were related to higher yield.
Highlights
The development of rural tourism has allowed wine growers in the region of Jundiaí additional source of income from the sale of fresh grapes and / or handcrafted with juice / wine production (Verdi et al, 2011)
Due to the high cost of hand and increasing difficulty in labor availability, winegrowers need to adjust by intensifying the search for cultivars and more productive training systems for grapevines
Regarding cultivars and hybrids most used in juice / wine production, it is possible to observe that in the region of Jundiaí (SP), ‘Niagara’ and ‘Bordô’ stand out because they are adapted to the climatic conditions of the region while Isabel cultivar is more commonly found in Southern Brazil (CAMARGO et al, 2011)
Summary
The development of rural tourism has allowed wine growers in the region of Jundiaí additional source of income from the sale of fresh grapes and / or handcrafted with juice / wine production (Verdi et al, 2011). Regarding cultivars and hybrids most used in juice / wine production, it is possible to observe that in the region of Jundiaí (SP), ‘Niagara’ and ‘Bordô’ stand out because they are adapted to the climatic conditions of the region while Isabel cultivar is more commonly found in Southern Brazil (CAMARGO et al, 2011). Its precocity contributes to the enlargement of the grape harvest and processing period in the Southern region and in tropical regions, with production of up to two harvests (CAMARGO et al, 2010)
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