Warming winters and cultivar resilience in sweet cherry: agroclimatic requirements and future suitability under Mediterranean-continental conditions

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dc.contributor.authorSantolaria Llacer, Nestor Ibón
dc.contributor.authorCastel Duaso, Lourdes
dc.contributor.authorRodrigo García, Francisco Javier
dc.contributor.authorFadón Adrián, Erica
dc.contributor.funderAgencia Estatal de Investigación
dc.contributor.funderEuropean Social Fund Plus
dc.contributor.orcidSantolaria Llacer, Nestor Ibón [0009-0007-1393-3984]
dc.contributor.orcidCastel Duaso, Lourdes [0009-0005-8847-8061]
dc.contributor.orcidRodrigo García, Francisco Javier [0000-0002-8321-1764]
dc.contributor.orcidFadón Adrián, Erica [0000-0002-1170-0681]
dc.date.accessioned2025-12-02T08:34:44Z
dc.date.available2025-12-02T08:34:44Z
dc.date.issued2025-11-27
dc.date.updated2025-12-01T08:58:52Z
dc.description.abstractWarming winters are increasingly altering the dormancy and flowering dynamics of temperate fruit trees. In this study, we assess the adaptation potential of 22 North American sweet cherry (Prunus avium L.) cultivars to future climate conditions in Zaragoza (Ebro Valley, Spain), a representative Mediterranean-continental site. Endodormancy release and flowering were characterized over two contrasting seasons (2022–2023 and 2023–2024) to determine cultivar-specific agroclimatic requirements. Chill and heat accumulation were quantified using the Dynamic, Chilling Hours, and Utah Models for chill, and the Growing Degree Hours Model for heat. Historical trends (1974–2024) and future projections from 18 Global Climate Models (GCMs) under two Shared Socioeconomic Pathways (SSP2-4.5 and SSP5-8.5) were analyzed to assess the probability of chilling fulfillment. Historical analysis revealed a 6–8 CP decline since 1980, confirming progressive warming. The exceptionally warm 2023–2024 winter recorded the lowest chill accumulation in 50 years and was associated with flowering delays across all cultivars. Cultivar-specific analyses indicated a broad range of chilling requirements (37.6–66.6 CP), with high-chill cultivars showing increased risk of incomplete dormancy release under warmer winters. Projections suggest that while most cultivars may remain viable by mid-century (2050), by 2085 adaptation challenges will intensify, particularly under SSP5, where all cultivars show risk of insufficient chill for at least one GCM. These findings provide empirical evidence that warming winters are reshaping sweet cherry dormancy and offer a probabilistic framework to guide cultivar selection and adaptation strategies under ongoing climate change.
dc.description.peerreviewedSi
dc.description.sponsorshipEste trabajo fue financiado por la ayuda PRE2021-099164, financiada por MCIN/AEI/10.13039/501100011033 y el FSE “El FSE invierte en tu futuro”, así como por el Gobierno de Aragón—Fondo Social Europeo, Unión Europea (Grupo Consolidado A12_17R).
dc.identifier.citationSantolaria, N., Castel, L., Rodrigo, J., & Fadón, E. (2025). Warming winters and cultivar resilience in sweet cherry: Agroclimatic requirements and future suitability under Mediterranean-continental conditions (SSRN Scholarly Paper No. 5817123). Social Science Research Network. https://doi.org/10.2139/ssrn.5817123
dc.identifier.doi10.2139/ssrn.5817123
dc.identifier.urihttps://hdl.handle.net/10532/7986
dc.language.isoen
dc.publisherElsevier B.V.
dc.relation.citaSi
dc.relation.publisherversionhttps://doi.org/10.2139/ssrn.5817123
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spainen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.agrovocPrunus avium
dc.subject.agrovocRest (dormancy)
dc.subject.agrovocNecesidad de las plantas
dc.subject.agrovocCambio climático
dc.subject.agrovocFloración inducida
dc.subject.sdgHambre cero
dc.subject.sdgAcción por el clima
dc.titleWarming winters and cultivar resilience in sweet cherry: agroclimatic requirements and future suitability under Mediterranean-continental conditions
dc.typetexto
dc.typeartículo preliminar
dc.type.hasVersionversión sometida a revisión

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