Climate Change and Phenological Monitoring of the Indigenous Godello Variety in a Territory of Heroic Viticulture and Biosphere Reserve

An evaluation of the phenological behaviour of the indigenous Godello variety of vineyard was conducted within the Souto Chao plot in the year 2023. This plot is located in a wine-growing region holding a Designation of Origin (Ribeira Sacra DO) located in the North-West of the Iberian Peninsula. A similar study had been conducted in 2017 and 2018, focusing on the same Godello variety within the identical plot involving the same plant as the current study. The assessment utilized the BBCH scale, a system proposed by Biologische Bundesanstalt fur Land und Forstwirtschaft, Bundessortenamt und CHemische Industrie. The average duration of the vegetative cycle in the initial two years under examination was 167 days (161 and 174 days in 2017 and 2018, respectively), while in 2023 it was 164 days. In these three years studies during 2017, 2018 and 2023, the longest phenological phase was of 79 days when majority of the berries were touching). The primary objective of this study is to ascertain the nature and extent of changes in the crops phenology within the timeframe between the initial two years analysed (2017 and 2018) and the present year, 2023.