Table and wine grape: Vineyard assessment to vineyard management

Table and wine grapes are highly differentiated products. They are influenced by numerous factors including variety, growing region, vineyard characteristics, vineyard management practices and seasonal vintage. Vineyard assessment is a form of quality assurance in the vineyard and has become a critical step in the grapevine value chain. Data collection through vineyard assessments throughout the growing season and especially during ripening, allows us to follow and monitor the grapes’ phenological development and determine the time of harvesting that will result in the best combination and expression of grapes and wine attributes. Although the main focus is on berry development, the vineyard and vine characteristics are also very important to be monitored and assessed.

Vineyard characteristics can also be correlated with various canopy and berry characteristics. Some of the characteristics to be assessed in order to determine the quality potential of the grapes produced in the vineyard are the following: leaf condition, bunch exposure, berry size, sugar/acid balance, phenolic compound, tannin intensity, and antioxidant capacity.  During the summer of 2019, aerial and ground data have been collected from the Palivos, Kontogiannis and Fasoulis estates in the regional unit of Corinthia, in Greece, under the supervision of the Table and Wines Grapes Pilot, until the harvest of the grapes for this year, that took place on 15th September 2019. At the moment, extensive laboratory analyses are underway in the premises of the Agricultural University of Athens, for the qualitative and quantitative evaluation of this year’s harvested grapes.

Deriving meaningful knowledge from many relevant, yet heterogeneous data sources are very important and act as the basis for future decision-making processes. The ultimate output is to be able to produce metrics, which growers can easily use to make decisions about growing conditions, as well as clear visualizations for differential vineyard management.

For more information please contact Aikaterini Kasimati – aKasimati@aua.gr and Maritina Stavrakaki – maritina@aua.gr