An operational model for capturing grape ripening dynamics to support harvest decisions

• Published in: OENO one Vol. 57; no. 2; pp. 505 - 522
• Main Authors: van Leeuwen, Cornelis, Destrac-Irvine, Agnès, Gowdy, Mark, Farris, Laura, Pieri, Philippe, Marolleau, Laura, Gambetta, Gregory A
• Format: Journal Article
• Language: English
• Published: International Viticulture and Enology Society (IVES) 01.01.2023; International Viticulture and Enology Society
• Subjects: climate change; grape ripening; harvest date; Life Sciences; sugar; total acidity; vine; total acidity; harvest date; grape ripening; vine; sugar; climate change

Grape ripening is a critical phenological phase during which many metabolites that impact wine quality accumulate in the berries. Major changes in berry composition include a rapid increase in sugar and a decrease in malic acid content and concentration. Its duration is highly variable depending on...