Cultivar plasticity in temperate fruit trees across the Mediterranean region: Different combinations of chill and heat lead to dormancy release

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dc.contributor.authorDelgado, Álvaro
dc.contributor.authorRuiz, David
dc.contributor.authorRodrigo García, Francisco Javier
dc.contributor.authorLuedeling, Eike
dc.contributor.authorFernández, Eduardo
dc.contributor.authorMojahid, Hajar
dc.contributor.authorGuerrero Camacho, Brenda Ivette
dc.contributor.authorGuerra Velo, Mª Engracia
dc.contributor.authorSantolaria Llacer, Nestor Ibón
dc.contributor.authorIrisarri Sarto, Patricia
dc.contributor.authorEgea, José A.
dc.contributor.authorCaspersen, Lars
dc.contributor.authorBen Mimoun, Mehdi
dc.contributor.authorHajjioui, Halima
dc.contributor.authorErami, Meryem
dc.contributor.authorKodad, Ossama
dc.contributor.authorEl Yaacoubi, Adnane
dc.contributor.authorGhrab, Mohamed
dc.contributor.authorBenmoussa, Haïfa
dc.contributor.authorBorgini, Nadia
dc.contributor.authorElloumi, Olfa
dc.contributor.authorFadón Adrián, Erica
dc.contributor.funderPartnership for Research and Innovation in the Mediterranean Area
dc.contributor.funderAgencia Estatal de Investigación
dc.contributor.orcidRodrigo García, Francisco Javier [0000-0002-8321-1764]
dc.contributor.orcidSantolaria Llacer, Nestor Ibón [0009-0007-1393-3984]
dc.contributor.orcidIrisarri Sarto, Patricia [0000-0003-0773-5133]
dc.contributor.orcidFadón Adrián, Erica [0000-0002-1170-0681]
dc.date.accessioned2025-11-06T11:24:36Z
dc.date.available2025-11-06T11:24:36Z
dc.date.issued2025-10-28
dc.date.updated2025-11-04T08:29:54Z
dc.description.abstractThe Mediterranean Basin, a key region for temperate fruit and nut production, faces significant challenges due to global warming, which disrupts the synchronization of tree phenological cycles with seasonal changes. This study examines the agroclimatic requirements for flowering in four temperate fruit species (almond, apricot, Japanese plum, and sweet cherry) across multiple Mediterranean locations in Spain, Morocco and Tunisia. Using a standardized experimental protocol and the same chill and heat accumulation models (Dynamic and Growing Degree Hours models, respectively), we characterized the dormancy phases and flowering patterns of 17 cultivars, including six that were evaluated for the first time. The results revealed significant variability in chill and heat accumulation across sites, reflecting differences in climatic conditions. While flowering dates were generally consistent across regions, notable differences were observed in the length of the endo-dormancy phase, with longer endo-dormancy periods not always corresponding to higher chill requirements (CR). We found that the climatic region was more important than the year-to-year temperature variability in determining agroclimatic requirements. A compensatory relationship between chill and heat accumulation was observed, indicating cultivar plasticity to adapt and respond to varying environmental conditions. This adaptive capacity in response to fluctuating levels of chill and heat appears to vary among Prunus species. The findings highlight the importance of considering agroclimatic characteristics of cultivars in orchard design to ensure the resilience of temperate fruit crops to climate change. This study provides critical data for improving chill and heat models and underscores the need for further research into phenological plasticity and adaptation traits. The insights gained are intended to support the sustainability of Mediterranean orchards under current and projected climate scenarios.
dc.description.peerreviewedSi
dc.description.sponsorshipAgradecemos a la Asociación para la Investigación y la Innovación en el Área Mediterránea (PRIMA), un programa respaldado por H2020, el programa marco de la Unión Europea para la investigación y la innovación, por financiar esta investigación dentro del proyecto AdaMedOr. También agradecemos a los donantes nacionales de los países socios: el Ministerio de Ciencia e Innovación de España (Agencia Estatal de Investigación 10.13039/501100011033) y NextGeneration EU/PRTR (subvenciones PCI2020-111966 y PID2020-115473RR-I00 en el caso de CITA; subvención PCI2020–112113 en el caso del CEBAS); el Ministerio Federal de Educación e Investigación de Alemania (subvención número 01DH20012), el Ministerio de Educación Superior, Investigación Científica e Innovación, Dirección de Investigación Científica e Innovación (MENF-PESRS/DRSI-Marruecos) en el caso de Marruecos; y el Ministerio de Educación Superior e Investigación Científica de Túnez en el caso de Túnez.
dc.identifier.citationDelgado, A., Ruiz, D., Rodrigo, J., Luedeling, E., Fernandez, E., Mojahid, H., Guerrero, B. I., Guerra, M. E., Santolaria, N., Irisarri, P., Egea, J. A., Caspersen, L., Ben Mimoun, M., Hajjioui, H., Erami, M., Kodad, O., El Yaacoubi, A., Ghrab, M., Benmoussa, H., … Fadón, E. (2026). Cultivar plasticity in temperate fruit trees across the Mediterranean region: Different combinations of chill and heat lead to dormancy release. European Journal of Agronomy, 172, 127884. https://doi.org/10.1016/j.eja.2025.127884
dc.identifier.doi10.1016/j.eja.2025.127884
dc.identifier.issn1161-0301
dc.identifier.urihttps://hdl.handle.net/10532/7944
dc.language.isoen
dc.publisherElsevier B.V.
dc.relationinfo:eu-repo/grantAgreement/Agreement/EC/PRIMA//ES/Adapting Mediterranean Orchards – science-based design of resilient fruit tree portfolios for the Mediterranean region/ADAMEDOR
dc.relationinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-115473RR-I00/ES/REPOSO Y DESARROLLO DE LA FLOR EN FRUTALES DE CLIMA TEMPLADO/REPFRUT
dc.relation.citaNo
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spainen
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.agrovocPrunus
dc.subject.agrovocCambio climático
dc.subject.agrovocAgro climatología
dc.subject.agrovocEtapa de desarrollo de la planta
dc.subject.agrovocZona mediterránea
dc.subject.sdgHambre cero
dc.subject.sdgAcción por el clima
dc.subject.sdgVida de ecosistemas terrestres
dc.titleCultivar plasticity in temperate fruit trees across the Mediterranean region: Different combinations of chill and heat lead to dormancy release
dc.typetexto
dc.typerevista
dc.typeartículo
dc.typeartículo original
dc.type.hasVersionversión publicada

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