Impact of climate variability on grapevine cultivation and grape quality
DOI:
https://doi.org/10.59463/gb77zq75Keywords:
acidity, anthocyanins, color, grape varieties, sugar, vineyardAbstract
The study evaluates the impact of climate variability on grapevine cultivation and grape quality in Cabernet Sauvignon and Merlot varieties grown in the vineyard of the University of Life Sciences “King Mihai I” from Timisoara between 2015 and 2024. The research investigates the influence of temperature and precipitation on key parameters such as sugar accumulation, acidity, and overall wine quality. Data collection included continuous meteorological monitoring, berry sampling, and laboratory analyses of grape juice and wine. Results indicated considerable heterogeneity in the climate, with extreme temperatures and changing rainfall patterns influencing vine phenology, yield, and berry composition. Warmer years, like 2024, led to increased sugar concentrations and reduced acidity, so influencing the balance and sensory profile of wines. Statistical analyses, including ANOVA and principal component analysis (PCA), revealed strong correlations between climate variables and grape composition. These findings offer valuable insights for viticulturists and winemakers seeking to optimize grape quality and production under changing climatic conditions.
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