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Effects of foliar and soil boron fertilization on yield, leaf physiological traits and fruit attributes in rainfed almond orchards

dc.contributor.authorSilva, A.P.
dc.contributor.authorAires, Alfredo
dc.contributor.authorBarreales, David
dc.contributor.authorRodrigues, M.A.
dc.contributor.authorRibeiro, A.C.
dc.contributor.authorGonçalves, Berta M.
dc.contributor.authorMorais, Maria C.
dc.date.accessioned2023-02-07T16:30:47Z
dc.date.available2023-02-07T16:30:47Z
dc.date.issued2022
dc.description.abstractBoron (B) fertilizers are recognized as essential for ensuring yield and fruit quality. However, the importance of soil and foliar B fertilization in almond orchards under rainfed conditions is presently unclear. To address this literature gap, in the present study, the impact of soil and foliar application of B on leaf gas exchange, leaf photosynthetic pigments, yield, and fruit quality in almonds was investigated across three consecutive growing seasons. Boron fertilizer was applied to the soil at four rates (0, 1, 2, and 3 kg ha−1) in the presence or absence of foliar application (0.36 g L−1) of the same micronutrient. Borax pentahydrate was used as the B source. When compared to foliar B fertilization, the soil application of B positively affected the gas exchange parameters, mainly the net CO2 assimilation rate, stomatal conductance, and transpiration rate (percentage of gain between 15% and 80%), but did not influence the chlorophyll content. The almond yield and fruit characteristics were also enhanced (about 25–72%) in response to lower soil B fertilization rates. In the 3 kg ha−1 dose, B had an adverse effect on the yield and resulted in lighter fruits. On the other hand, foliar B fertilization did not benefit any of the evaluated parameters. Overall, these results suggest that, under the studied conditions, almond orchards do not respond to higher B rates in soil or foliar B fertilization.pt_PT
dc.description.sponsorshipThis research work was funded by the project “Estratégias integradas para o aumento da produtividade da amendoeira em Trás-os-Montes”, no. 54611, funded by the EAFRD (European Agricultural Fund for Rural Development), and by the Portuguese State through the “Medida 4.1. Cooperação para a Inovação do programa PRODER-Programa de Desenvolvimento Rural”. The authors also acknowledge to the Foundation for Science and Technology (FCT, Portugal) and FEDER under Programme PT2020 for financial support to CIMO (UIDB/00690/2020) and CITAB (UIDB/04033/2020).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSilva, A. P.; Aires, Alfredo; Barreales, David; Rodrigues, M.A.; Ribeiro, A.C.; Gonçalves, Berta; Morais, Maria C. (2022). Effects of foliar and soil boron fertilization on yield, leaf physiological traits and fruit attributes in rainfed almond orchards. Agronomy. eISSN 2073-4395. 12:9, p. 1-14pt_PT
dc.identifier.doi10.3390/agronomy12092005pt_PT
dc.identifier.eissn2073-4395
dc.identifier.urihttp://hdl.handle.net/10198/26787
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationMountain Research Center
dc.relationCentre for the Research and Technology of Agro-Environmental and Biological Sciences
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectPrunus dulcispt_PT
dc.subjectBoronpt_PT
dc.subjectPhotosynthesispt_PT
dc.subjectLeaf chlorophyllpt_PT
dc.subjectFruit qualitypt_PT
dc.titleEffects of foliar and soil boron fertilization on yield, leaf physiological traits and fruit attributes in rainfed almond orchardspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleCentre for the Research and Technology of Agro-Environmental and Biological Sciences
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04033%2F2020/PT
oaire.citation.issue9pt_PT
oaire.citation.titleAgronomypt_PT
oaire.citation.volume12pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameBarreales
person.familyNameRodrigues
person.familyNameRibeiro
person.givenNameDavid
person.givenNameManuel Ângelo
person.givenNameAntónio C.
person.identifier.ciencia-idFA16-8DE7-6968
person.identifier.ciencia-id371D-DF0D-8D68
person.identifier.ciencia-id9D19-E833-BE97
person.identifier.orcid0000-0002-8425-0167
person.identifier.orcid0000-0002-5367-1129
person.identifier.orcid0000-0002-8280-9027
person.identifier.ridO-1721-2016
person.identifier.scopus-author-id57202136257
person.identifier.scopus-author-id35270106800
project.funder.identifierhttp://doi.org/10.13039/501100001871
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
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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relation.isAuthorOfPublication.latestForDiscoveryb7ecf809-561e-40ce-86b0-603a60433710
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