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Influence of sustained deficit irrigation and foliar kaolin application on almond kernel composition

2023Artigo científico Acesso aberto
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dc.contributor.authorBarreales, David
dc.contributor.authorPereira, J.A.
dc.contributor.authorCasal, Susana
dc.contributor.authorRibeiro, A.C.
dc.date.accessioned2023-12-18T09:55:28Z
dc.date.available2023-12-18T09:55:28Z
dc.date.issued2023
dc.description.abstractDeficit irrigation and kaolin foliar application are agronomic practices that have been demonstrated to improve productivity and physiological response in almond trees but there is no consistent information on the effects on the kernel composition. The objective of this study was to evaluate the effect of different Sustainable Deficit Irrigation (SDI) strategies and kaolin application on some physicochemical composition of the cv Ferragn`es almond (Prunus dulcis (Mill.) D.A. Webb). A randomized block design with five treatments was developed: nonirrigation (NI), non-irrigation with foliar kaolin application (NI+K), full irrigation (FI), and two levels of SDI receiving 70% and 35% of evapotranspiration (SDI75 and SDI35). Pomological parameters, volatile profile and oil composition were analyzed. SDI effect on kernel weight was reduced against full irrigation (FI) but substantially improved in comparison with the rainfed treatments (NI and NI+K). Irrigation treatments showed a lower volatile compounds concentration in comparison with rainfed treatment. The fatty acid composition of the oil was significantly affected, with all the irrigated treatments having higher oleic acid contents than the rainfed treatments, and therefore an expected increased shelf life. Kaolin application had no positive effects on the nonirrigated trees, other than an apparent increase in the total volatiles, a tendency also observed in the NI. Moderate water stress levels (SDI35) improved the synthesis of tocopherols compared to NI, FI and SDI70, which could be related to the adaptation of the almond tree to drought. SDI35 is therefore regarded as a very interesting approach, with significant improvements in comparison with non-irrigated trees, and a clear saving on water against full irrigation without significant pomological and chemical alterations.pt_PT
dc.description.sponsorshipThe authors acknowledge the financial support of Foundation for Science and Technology (FCT, Portugal) for financial support through national funds FCT/MCTES (PIDDAC) to CIMO (UIDB/00690/2020 and UIDP/00690/2020), SusTEC (LA/P/0007/2021) and LAQV (UIDB/ 50006/2020 and UIDP/50006/2020). David Barreales thanks FCT for the Ph.D. grant SFRH/BD/139393/2018. This manuscript is part of David Barreales’s Ph.D. thesis. The authors thank to the Cooperativa Agrícola de Alfandega da F´e, Crl. for allowing this research activity in its almond orchards.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationBarreales, David; Pereira, J.A.; Casal, Susana; Ribeiro, A.C. (2023). Influence of sustained deficit irrigation and foliar kaolin application on almond kernel composition. Scientia Horticulturae. ISSN 0304-4238. 321, p. 1-11pt_PT
dc.identifier.doi10.1016/j.scienta.2023.112262pt_PT
dc.identifier.issn0304-4238
dc.identifier.urihttp://hdl.handle.net/10198/28961
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.relationLA/P/0007/2021pt_PT
dc.relationMountain Research Center
dc.relationMountain Research Center
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relationAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
dc.relationInfluência do regime hídrico no comportamento fisiológico, agronómico e qualidade da produção em culturas mediterrânicas.
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPrunus dulcis (Mill.) D.A. Webbpt_PT
dc.subjectWater stresspt_PT
dc.subjectVolatile compoundspt_PT
dc.subjectFatty acidspt_PT
dc.subjectTocopherolspt_PT
dc.titleInfluence of sustained deficit irrigation and foliar kaolin application on almond kernel compositionpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/00690/2020
oaire.awardNumberUIDP/00690/2020
oaire.awardNumberUIDB/50006/2020
oaire.awardNumberUIDP/50006/2020
oaire.awardNumberSFRH/BD/139393/2018
oaire.awardTitleMountain Research Center
oaire.awardTitleMountain Research Center
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardTitleAssociated Laboratory for Green Chemistry - Clean Technologies and Processes
oaire.awardTitleInfluência do regime hídrico no comportamento fisiológico, agronómico e qualidade da produção em culturas mediterrânicas.
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50006%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F50006%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//SFRH%2FBD%2F139393%2F2018/PT
oaire.citation.endPage11pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleScientia Horticulturaept_PT
oaire.citation.volume321pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBarreales
person.familyNamePereira
person.familyNameRibeiro
person.givenNameDavid
person.givenNameJosé Alberto
person.givenNameAntónio C.
person.identifier.ciencia-idFA16-8DE7-6968
person.identifier.ciencia-id611F-80B2-A7C1
person.identifier.ciencia-id9D19-E833-BE97
person.identifier.orcid0000-0002-8425-0167
person.identifier.orcid0000-0002-2260-0600
person.identifier.orcid0000-0002-8280-9027
person.identifier.ridL-6798-2014
person.identifier.scopus-author-id57202136257
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project.funder.identifierhttp://doi.org/10.13039/501100001871
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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