Grapevine phenology in France: from past observations to future evolutions in the context of climate change

Iñaki García de Cortázar-Atauri; Eric Duchêne; Agnes Destrac-Irvine; Gérard Barbeau; Laure de Rességuier; Thierry Lacombe; Amber Kaye Parker; Nicolas Saurin; Cornelis van Leeuwen

Grapevine phenology in France: from past observations to future evolutions in the context of climate change

2017

Aim: Phenology is a key factor in explaining the distribution and diversity of current vineyards in France. This work has the objective to summarize the different studies developed in France to analyze grapevine phenology. Methods and results: Several topics are presented: a general description of all historical databases and observatory networks developed in France during the last 70 years; an overview of the different models developed to calculate the main phenological stages; an analysis of the main results obtained using these models in the context of studies of climate change impacts on viticulture in France; and finally a general discussion about the main strategies to adapt the phenological cycle to future climate conditions. Conclusion: This review emphasizes that even if phenology is not the only trait to be considered for adapting grapevine to climate change, it plays a major role in the distribution of the current variety x vineyard associations. Significance and impact of the study: It is therefore critical to continue to study phenology in order to better understand its physiological and genetic basis and to define the best strategies to adapt to future climatic conditions.

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