Impact of agro-climatic factors on the formation of grape quality indicators during the ripening process
DOI:
https://doi.org/10.31279/ABNC-2026-16-3-126Keywords:
grapes, variety, agro-climatic indicators, grape quality indicators, mass concentration of sugars, mass concentration of titrated acids, pair correlation coefficientsAbstract
Introduction. Improving the efficiency of viticulture remains a priority for the industry. Achieving high grape quality, and consequently high‑quality wine products, is possible only when optimal growing conditions are provided for specific cultivars, taking into account agroecological factors. Determining the intensity of impact of individual environmental factors and the nature of their interactions is of fundamental importance from both theoretical and applied perspectives.
Aim. To obtain analytical data on the degree to which agroclimatic factors affect the formation of grape quality parameters during ripening.
Materials and methods. The work studied climatic data from the Yalta weather station (2022–2024) and quality parameters of grapes from various varieties grown in the vineyards of the test site located in the southern coastal zone of Crimea. The research was carried out at the Department of Agroecology of the National Research Centre “Kurchatov Institute”. The study employed the indices recommended by the MOBB (RESOLUTION OIV‑VITI 423‑2012 Rev1) for the terroir‑based specialization of the viticulture and winemaking sector.
Results. The agroclimatic indicators that exert the most significant influence on the mass concentration of sugars and titratable acids in grapes were identified within the southern coastal zone.
Conclusion. The analytical data obtained will enable the optimization of the placement of commercial vineyards and enhance production efficiency through the most rational utilization of natural resources.
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Copyright (c) 2026 Е.А. Рыбалко , Н.В. Баранова , А.С. Ерхова
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