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Assessing the Effect of Plant Biostimulants and Nutrient-Rich Foliar Sprays on Walnut Nucleolar Activity and Protein Content (Juglans regia L.)

2024Artigo científico Acesso aberto
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dc.contributor.authorRoque, João
dc.contributor.authorCarvalho, Ana
dc.contributor.authorRodrigues, M.A.
dc.contributor.authorCorreia, Carlos M.
dc.contributor.authorLima-Brito, José
dc.date.accessioned2024-05-31T08:41:43Z
dc.date.available2024-05-31T08:41:43Z
dc.date.issued2024
dc.description.abstractThe cultivation of walnuts (Juglans regia L.) has become increasingly popular worldwide due to the nutritional value of the nuts. Plant biostimulants (PBs) and nutrient-rich products have been increasingly used in agriculture to improve yield, quality, and abiotic stress tolerance. However, farmers need fast laboratory studies to determine the most suitable treatment per crop or ecosystem to take full advantage of these products. Evaluating nucleolar activity and protein content can provide clues about the most appropriate treatment. This study aimed to determine how five commercial products, four PBs based on seaweed extract and/or free amino acids and one boron-enriched fertiliser used as foliar sprays, affect walnut cv's nucleolar activity and protein content. "Franquette" from an orchard located in NE Portugal was compared to untreated (control) plants. All treatments brought a low leaf mitotic index. The control showed the smallest nucleolar area, highest protein content, and highest frequency of nucleolar irregularities. Fitoalgas Green (R), Sprint Plus (R), and Tradebor (R) showed the highest nucleolar area and lowest frequencies of nucleolar irregularities. The recruitment of proteins/enzymes for response against abiotic stresses may explain the high protein content in the control. Hence, the enhanced abiotic stress tolerance of the treated trees explains their lower protein content and frequency of nucleolar anomalies. Globally, the Fitoalgas Green (R), Sprint Plus (R), and Tradebor (R) seem better suited for "Franquette" walnut trees under the edaphoclimatic conditions where trials were conducted.pt_PT
dc.description.sponsorshipThis research was funded by national funds provided by the Fundação para a Ciência e a Tecnologia (FCT) to CITAB (UIDB/04033/2020) and CIMO (UIDB/00690/2020). This research was integrated in the Operational Group EGIS: Estratégias para uma gestão integrada do solo e da água em espécies produtoras de frutos secos activities funded by Portugal 2020 and the European Agricultural Fund for Rural Development (EAFRD). The author Ana Carvalho thanks the funding attributed by the Fundação para a Ciência e a Tecnologia (FCT) with the reference DL 57/2016/CP1378/CT0003 (doi10.54499/DL57/ 2016/CP1378/CT0003), which allowed her to be hired by UTAD as a doctorate researcher through the D.L. no. 57/2016 and Law no. 57/2017.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationRoque, João; Carvalho, Ana, Rodrigues, M.A.; Correia, Carlos; Lima-Brito, José (2024). Assessing the Effect of Plant Biostimulants and Nutrient-Rich Foliar Sprays on Walnut Nucleolar Activity and Protein Content (Juglans regia L.). Horticulturae. eISSN 2311-7524. 10:4, p. 1-13pt_PT
dc.identifier.doi10.3390/horticulturae10040314pt_PT
dc.identifier.eissn2311-7524
dc.identifier.urihttp://hdl.handle.net/10198/29847
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationCentre for the Research and Technology of Agro-Environmental and Biological Sciences
dc.relationMountain Research Center
dc.relationNot Available
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectCytogeneticspt_PT
dc.subjectFertiliserspt_PT
dc.subjectNucleoluspt_PT
dc.subjectPlant biostimulantspt_PT
dc.subjectProtein contentpt_PT
dc.subjectWalnutpt_PT
dc.titleAssessing the Effect of Plant Biostimulants and Nutrient-Rich Foliar Sprays on Walnut Nucleolar Activity and Protein Content (Juglans regia L.)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/04033/2020
oaire.awardNumberUIDB/00690/2020
oaire.awardNumberDL 57/2016/CP1378/CT0003
oaire.awardTitleCentre for the Research and Technology of Agro-Environmental and Biological Sciences
oaire.awardTitleMountain Research Center
oaire.awardTitleNot Available
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04033%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/DL 57%2F2016/DL 57%2F2016%2FCP1378%2FCT0003/PT
oaire.citation.endPage13pt_PT
oaire.citation.issue4pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleHorticulturaept_PT
oaire.citation.volume10pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStreamDL 57/2016
person.familyNameRodrigues
person.givenNameManuel Ângelo
person.identifier.ciencia-id371D-DF0D-8D68
person.identifier.orcid0000-0002-5367-1129
person.identifier.ridO-1721-2016
person.identifier.scopus-author-id35270106800
project.funder.identifierhttp://doi.org/10.13039/501100001871
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
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication43621353-fa11-4559-9b24-27eba5ad3de0
relation.isAuthorOfPublication.latestForDiscovery43621353-fa11-4559-9b24-27eba5ad3de0
relation.isProjectOfPublicationac4fb709-719a-450b-8c96-17592d46f5e9
relation.isProjectOfPublication29718e93-4989-42bb-bcbc-4daff3870b25
relation.isProjectOfPublicationd3c7ed26-784a-4b8d-8d68-88bec8441d1d
relation.isProjectOfPublication.latestForDiscoveryd3c7ed26-784a-4b8d-8d68-88bec8441d1d

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