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dc.contributor.authorDíez-Palet, Isabel
dc.contributor.authorFunes, Inmaculada
dc.contributor.authorSavé, Robert
dc.contributor.authorBiel, Carmen
dc.contributor.authorde Herralde, Felicidad
dc.contributor.authorMiarnau, Xavier
dc.contributor.authorVargas, Francisco
dc.contributor.authorÀvila, Glòria
dc.contributor.authorCarbó, Joaquim
dc.contributor.authorAranda, Xavier
dc.contributor.otherProducció Vegetalca
dc.date.accessioned2020-04-22T11:10:57Z
dc.date.available2020-04-22T11:10:57Z
dc.date.issued2019-11-15
dc.identifier.citationDíez-Palet, Isabel, Inmaculada Funes, Robert Savé, Carmen Biel, Felicidad de Herralde, Xavier Miarnau, Francisco Vargas, Glòria Àvila, Joaquim Carbó, and Xavier Aranda. 2019. "Blooming Under Mediterranean Climate: Estimating Cultivar-Specific Chill And Heat Requirements Of Almond And Apple Trees Using A Statistical Approach". Agronomy 9 (11): 760. doi:10.3390/agronomy9110760.ca
dc.identifier.issn2073-4395ca
dc.identifier.urihttp://hdl.handle.net/20.500.12327/736
dc.description.abstractClimate change, and specifically global temperature increase, is expected to alter plant phenology. Temperate deciduous fruit trees have cultivar-specific chill and heat requirements to break dormancy and bloom. In this study, we aimed to estimate chill and heat requirements (in chill portions, CP, and growing degree hours, GDH, respectively) of 25 almond (30–36 years) and 12 apple (14–26 years) cultivars grown under a Mediterranean climate. The set included early and late blooming genotypes. Long-term phenological and temperature records were analyzed by means of partial least squares (PLS) regression. The main difference between early and late genotypes was chill requirement, ranging from 8.40 CP of early genotypes to 55.41 CP of extra-late genotypes. However, as chill requirements are quite easily attained by all almond cultivars in this study, year-to-year variations in actual blooming dates for each genotype are governed by variability of mean forcing temperatures. In contrast, different chill and heat combinations resulted in similar mean blooming dates for the studied apple cultivars. Mean temperature in both chilling and forcing phases determined their blooming time in the location studied. Overlaps and gaps between both phases were obtained. Despite some limitations, the PLS analysis has proven to be a useful tool to define both chilling and forcing phases. Nevertheless, since the delineation of these phases determine the total amount of CP and GDH, further efforts are needed to investigate the transition of these phases.ca
dc.format.extent21ca
dc.language.isoengca
dc.publisherMDPIca
dc.relation.ispartofAgronomyca
dc.rightsAttribution 4.0 Internationalca
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.titleBlooming under Mediterranean Climate: Estimating Cultivar-Specific Chill and Heat Requirements of Almond and Apple Trees Using a Statistical Approachca
dc.typeinfo:eu-repo/semantics/articleca
dc.description.versioninfo:eu-repo/semantics/publishedVersionca
dc.rights.accessLevelinfo:eu-repo/semantics/openAccess
dc.embargo.termscapca
dc.relation.projectIDEC/LIFE/LIFE12 ENV-ES-000536/EU/Demonstration and validation of innovative methodology for regional climate change adaptation in the Mediterranean area/LIFE MEDACCca
dc.subject.udc633ca
dc.identifier.doihttps://doi.org/10.3390/agronomy9110760ca
dc.contributor.groupFructiculturaca
dc.contributor.groupProtecció Vegetal Sostenibleca


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Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by/4.0/