Perspectives on the adaptation of Japanese plum-type cultivars to reduced winter chilling in two regions of Spain

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dc.bibliographicCitation.titleFrontiers in Plant Scienceen
dc.bibliographicCitation.volume15es_ES
dc.contributor.authorGuerrero Camacho, Brenda Ivettees_ES
dc.contributor.authorFadón Adrián, Ericaes_ES
dc.contributor.authorGuerra Velo, Mª Engraciaes_ES
dc.contributor.authorRodrigo García, Francisco Javieres_ES
dc.coverage.spatialBadajozes_ES
dc.coverage.spatialZaragozaes_ES
dc.date.accessioned2024-04-17T08:59:20Z
dc.date.available2024-04-17T08:59:20Z
dc.date.issued2024es_ES
dc.date.updated2024-04-17T08:19:19Z
dc.description.abstractJapanese plum, like other temperate fruit tree species, has cultivar-specific temperature requirements during dormancy for proper flowering. Knowing the temperature requirements of this species is of increasing interest due to the great genetic variability that exists among the available Japanese plum-type cultivars, since most of them are interspecific hybrids. The reduction of winter chilling caused by climate change is threatening their cultivation in many regions. In this work, the adaptation perspectives of 21 Japanese plum-type cultivars were analyzed in two of the main plum-growing regions in Spain, Badajoz and Zaragoza, to future climate conditions. Endodormancy release for subsequent estimation of chilling and heat requirements was determined through empirical experiments conducted during dormancy at least over two years. Chill requirements were calculated using three models [chilling hours (CH), chilling units (CU) and chilling portions (CP)] and heat requirements using growing degree hours (GDH). Chilling requirements ranged 277-851 CH, 412-1,030 CU and 26-51 CP, and heat requirements ranged from 4,343 to 9,525 GDH. The potential adaption of the cultivars to future warmer conditions in both regions was assessed using climate projections under two Representative Concentration Pathways (RCP), RCP4.5 (effective reduction of greenhouse gas emissions) and RCP8.5 (continuous increase in greenhouse gas emissions), in two time horizons, from the middle to the end of 21st century, with temperature projections from 15 Global Climate Models. The probability of satisfying the estimated cultivar-specific chilling requirements in Badajoz was lower than in Zaragoza, because of the lower chill availability predicted. In this region, the cultivars analyzed herein may have limited cultivation because the predicted reduction in winter chill may result in the chilling requirements not being successfully fulfilled.en
dc.description.sponsorshipEsta investigación fue financiada por los proyectos PCI2020-111966 y PID2020-115473RR-I00 financiados por MCIN/AEI/10.13039/501100011033, Gobierno de Aragón-Fondo Social Europeo, Unión Europea (Grupo Consolidado A12_23R), y Junta de Extremadura-Fondo Europeo de Desarrollo Regional (FEDER), Grupo de Investigación (AGA021, GR21198). BG recibió una beca del Consejo Nacional de Ciencia y Tecnología de México (CONACYT, 471839).es_ES
dc.description.statusPublishedes_ES
dc.identifier.citationGuerrero, B. I., Fadón, E., Guerra, M. E., & Rodrigo, J. (2024). Perspectives on the adaptation of Japanese plum-type cultivars to reduced winter chilling in two regions of Spain. Frontiers in Plant Science, 15. https://doi.org/10.3389/fpls.2024.1343593
dc.identifier.issn1664462X
dc.identifier.urihttp://hdl.handle.net/10532/6956
dc.language.isoeses_ES
dc.relation.doihttps://doi.org/10.3389/fpls.2024.1343593es_ES
dc.relation.urihttps://doi.org/10.3389/fpls.2024.1343593es_ES
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivs 3.0 Spaines_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.agrovocTolerancia al fríoes
dc.subject.agrovocCalores
dc.subject.agrovocPrunus salicinaes
dc.subject.agrovocSalida de la latenciaes
dc.subject.agrovocModelos dinámicoses
dc.subject.agrovocBotones de flores
dc.subject.agrovocFactores climáticoses
dc.subject.otherBotones de flor
dc.subject.otherCalor
dc.subject.otherFactores Climáticos
dc.subject.otherFrío
dc.subject.otherModelos Dinámicos
dc.subject.otherPrunus salicina
dc.subject.otherSalida De La Latencia
dc.titlePerspectives on the adaptation of Japanese plum-type cultivars to reduced winter chilling in two regions of Spainen
dc.typearticle*
dc.type.refereedRefereedes_ES
dc.type.specifiedArticlees_ES

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