Qualidade Físico-Química Da Uva E Perfil Sensorial Vínico Para Diferentes Cultivares De Videira Submetidas À Poda Mecanizada

Abstract

1 ANTONIO ODAIR SANTOS 2, SÔNIA ELISABETE PEREIRA 3 , CLÁUDIO ALVES MOREIRA 4 RESUMO-Estudos ao longo do Globo têm mostrado que a mecanização da poda, dentre outros processos de manejo da videira, é adequada para a obtenção de vinhedos com "stands" bem formados e com qualidade de produção equivalente ou superior àqueles conduzidos sob manejo manual, sobretudo com economia de capital humano e financeiro. Informações sobre o padrão de poda que influencia diretamente a ecofisiologia do dossel, a composição do rendimento e a qualidade de derivados da uva são existentes para condições de manejo tradicional manual, mas incipientes para a uma condição mecanizada, no Brasil. Um experimento foi realizado com Vitis sp. e Vitis vinifera, visando a estudar os impactos da adoção inicial da poda mecanizada, sobre a composição do rendimento, qualidade da uva e perfil sensorial dos vinhos produzidos no experimento. Os resultados mostraram que a aplicação da poda mecanizada em vinhedos tradicionais causou pequenas flutuações na qualidade da uva, em duas safras analisadas. Termos para indexação: Viticultura, uva, mecanização. PHYSICO-CHEMICAL QUALITY OF GRAPES AND WINE SENSORY PROFILE FOR DIFFERENT VARIETIES OF VINE SUBJECTED TO MECHANICAL PRUNNINGABSTRACT -Studies over the globe have shown that mechanical pruning, among other management processes of the vine, are suitable for obtaining vineyards well trained and stands with grape quality equivalent or superior to those conducted under manual handling, specially, with the economy of man power and financial capital. Information about the pruning techniques that directly influence the canopy ecophysiology, grape composition and quality of grape and its by-products are available for traditional manual handling, but are scarce for a mechanized conditions, in Brazil. An experiment was conducted with Vitis sp. and Vitis vinifera aiming to study the impact of initial adoption of mechanical pruning, on the grape composition, quality and sensory profile of wines produced in the experiment. The results showed that the application of mechanical pruning in traditional vineyards caused small fluctuations in the quality of grapes, in two analyzed seasons.

Impact of trellis systems and rootstocks on global phenolic composition and antioxidant activity of ‘Isabel Precoce’ grapes produced during rainy seasons in semi-arid region of Brazil

“…Bunch weight is affected by several factors that were not evaluated in the present study, such as mineral nutrition, foliar area, and water status (Santos et al, 2015); however, some factors might explain the values observed in grapevine samples trained with lyre in season 2. As they have physiological self-regulation mechanisms, grapevines direct their reserves toward vigor or fruiting, depending on the needs (Bem et al, 2015).…”

Quality and antioxidant potential of ‘BRS Magna’ grapes harvested in the first half of the year under different training systems and rootstocks in a tropical region

“…Bunch mass depends on several factors, some of which were not evaluated in the present study, such as mineral uptake, Ravaz index, berry load per plant, leaf area, among others (Santos;Pereira;Moreira, 2015). Particularly factors that are not related to crop management, which was the same in all plants in this study, might have played a role in the lack of difference between bunch and berry mass in grapevines trained to VSP and lyre.…”

Vitiviniculture in the State of São Paulo (Brazil): Governance and technological strategies meeting market challenges

“…To the present day, the analysis of two harvests provided positive results, that is, the application of mechanized pruning in traditional vineyards cause minor oscillation in the quality of grapes [5].…”

“…When considering the benefits of adopting mechanized pruning on the cost of production and pace of operation, CEA/IAC/APTA invested in the assessment of the impact of this innovation on the behavior of the varieties and on the quality of the final product. Besides the development of a vine-tree pruner for application, researchers were concerned with the analysis of the parameters for a correct mechanization based on the local, the plant condition, the soil and the social profile of producers [5].…”

“…The varieties were established over four different rootstock trees: IAC 766-Campinas, IAC 572-Jales, Ripária do Traviú e SO4 and grown on espalier (2, 3 × 1,5 m) [5].…”