Holm oak decline is determined by shifts in fine root phenotypic plasticity in response to belowground stress

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dc.contributor.authorEncinas-Valero, Manuel
dc.contributor.authorEsteban Terradillos, Raquel
dc.contributor.authorHereş, Ana-Maria
dc.contributor.authorVivas, María
dc.contributor.authorFakhet, Dorra
dc.contributor.authorAranjuelo Michelena, Iker
dc.contributor.authorSolla, Alejandro
dc.contributor.authorMoreno, Gerardo
dc.contributor.authorCuriel Yuste, Jorge
dc.contributor.departmentIdAB. Instituto de Agrobiotecnología / Agrobioteknologiako Institutuaes_ES
dc.date.accessioned2022-09-05T08:23:58Z
dc.date.available2022-09-05T08:23:58Z
dc.date.issued2022
dc.date.updated2022-09-05T08:14:25Z
dc.description.abstractClimate change and pathogen outbreaks are the two major causes of decline in Mediterranean holm oak trees (Quercus ilex L. subsp. ballota (Desf.) Samp.). Crown-level changes in response to these stressful conditions have been widely documented but the responses of the root systems remain unexplored. The effects of environmental stress over roots and its potential role during the declining process need to be evaluated. We aimed to study how key morphological and architectural root parameters and nonstructural carbohydrates of roots are affected along a holm oak health gradient (i.e. within healthy, susceptible and declining trees). Holm oaks with different health statuses had different soil resource-uptake strategies. While healthy and susceptible trees showed a conservative resource-uptake strategy independently of soil nutrient availability, declining trees optimized soil resource acquisition by increasing the phenotypic plasticity of their fine root system. This increase in fine root phenotypic plasticity in declining holm oaks represents an energy-consuming strategy promoted to cope with the stress and at the expense of foliage maintenance. Our study describes a potential feedback loop resulting from strong unprecedented belowground stress that ultimately may lead to poor adaptation and tree death in the Spanish dehesa.en
dc.description.sponsorshipThis research was mainly funded by the Spanish Government through the IBERYCA project (CGL2017-84723-P), its associated FPI scholarship BES-2014-067971 (ME-V) and SMARTSOIL (PID2020-113244GB-C21). It was further supported by the BC3 María de Maeztu excellence accreditation (MDM-2017-0714; the Spanish Government) and by the BERC 2018–2021 and the UPV/EHU-GV IT-1018-16 programme (Basque Government). Additionally, this research was further supported through the ‘Juan de la Cierva programme’ (MV; IJCI-2017-34640; the Spanish Government) and one project funded by the Romanian Ministry of Research, Innovation and Digitization through UEFISCDI (A-MH; REASONING, PN-III-P1-1.1-TE-2019-1099).en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationEncinas-Valero, M.; Esteban, R.; Here's, A. M.; Vivas, M.; Fakhet, D.; Aranjuelo, I.; Solla, A.; Moreno, G.; Curiel Yuste, J.. (2022). Holm oak decline is determined by shifts in fine root phenotypic plasticity in response to belowground stress. New Phytologist.en
dc.identifier.doi10.1111/nph.18182
dc.identifier.issn0028-646X
dc.identifier.urihttps://academica-e.unavarra.es/handle/2454/43971
dc.language.isoengen
dc.publisherWileyen
dc.relation.ispartofNew Phytologist, 2022en
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/CGL2017-84723-P/ES/
dc.relation.projectIDinfo:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-113244GB-C21/ES/
dc.relation.publisherversionhttps://doi.org/10.1111/nph.18182
dc.rights© 2022 The Authors. © 2022 New Phytologist Foundation. This is an open access article under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License http://creativecommons.org/licenses/by-nc-nd/4.0/en
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectDefoliationen
dc.subjectHolm oaken
dc.subjectNonstructural carbohydratesen
dc.subjectPhenotypic plasticityen
dc.subjectRoot architectureen
dc.subjectSoil nutrient availabilityen
dc.subjectTrade-offen
dc.titleHolm oak decline is determined by shifts in fine root phenotypic plasticity in response to belowground stressen
dc.typeinfo:eu-repo/semantics/article
dc.type.versioninfo:eu-repo/semantics/publishedVersion
dspace.entity.typePublication
relation.isAuthorOfPublicationb8dd84ae-83ed-4e3f-873e-b0023505b3df
relation.isAuthorOfPublication.latestForDiscoveryb8dd84ae-83ed-4e3f-873e-b0023505b3df

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