Stefano Puccio’s scientific contributions

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Publications (1)

Figure 2. Photograph taken 10 days from the start of the veraison of Syrah grape bunches in 2022.
Figure 3. Photographs of grape clusters from Grillo cultivar for treatments UC, N26, and N40, taken near harvest. These images provide a visual representation of the percentage of berries af-
Figure 4. Mean berry weight with standard error for each treatment. Subplot (A) illustrates the berry weight for the Grillo variety in 2021, subplot (B) for Grillo in 2022, subplot (C) for Syrah in 2021, and subplot (D) for Syrah in 2022. Significance levels are indicated as follows: * p < 0.05, ** p < 0.01, *** p < 0.001. "n.s." indicates non-significant differences.
Figure 5. Total soluble solids content (Brix) for the three treatments (UC, N26, N40) across different time points. Subplot (A) shows the Brix content for Grillo and subplot (B) shows the Brix content for Syrah. Values are presented as means with standard errors. Significance levels are indicated as follows: ** p < 0.01, *** p < 0.001.
Figure 6. Total acidity (TA) measured for each treatment, presented as means with standard errors. Subplot (A) shows the TA for the Grillo variety in 2021, subplot (B) for Grillo in 2022, subplot (C) for Syrah in 2021, and subplot (D) for Syrah in 2022. Significance levels are indicated as follows: * p < 0.05, ** p < 0.01, *** p < 0.001. "n.s." indicates non-significant differences.

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Adapting Viticulture to Climate Change: Impact of Shading in Sicily
  • Article
  • Full-text available

February 2025

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110 Reads

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Stefano Puccio

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Climate change significantly affects viticulture, with noticeable impacts on yield and quality. The increase in average temperatures, often coupled with decreased precipitation, accelerates the phenological development of grapevines, leading to rapid sugar accumulation and concentration and decreased acidity. This study aimed to evaluate the impact of black shading nets with two levels (26% and 40%) on vine phenology, vegetative growth, yield, and grape ripening, as a potential strategy to mitigate the adverse effects of rising temperatures and reduced precipitation. The research was conducted in southwestern Sicily, in the Menfi (AG) area, using Grillo and Syrah grapevines. Black shading nets were applied during the pea-sized berry stage (BBCH 75). The results demonstrated that shading effectively delayed vine phenology and altered grape ripening, with significant reductions in sugar content (up to 10%) and increases in total acidity (up to 10%) at harvest compared to non-shaded vines. However, shading also reduced berry size, resulting in lower cluster weight and yield per plant (up to 15%). These findings highlight the potential of shading nets as a tool for adapting viticulture to climate change, while emphasizing the need to carefully assess their large-scale applicability, considering economic and operational factors.

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