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Assessing essential oils from Macaronesia: a study on their efficacy against phytopathogenic and obligate biotrophic fungi

2025-09-18Artigo científico Acesso aberto
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datacite.subject.fosCiências Médicas::Biotecnologia Médica
datacite.subject.fosCiências Naturais::Ciências Químicas
datacite.subject.fosEngenharia e Tecnologia::Outras Engenharias e Tecnologias
dc.contributor.authorFerreira, Rui Miguel
dc.contributor.authorPereira, Verónica Sousa
dc.contributor.authorSardinha, Duarte Fernandes
dc.contributor.authorRodríguez Sabina, Samuel
dc.contributor.authorCabrera Pérez, Raimundo
dc.contributor.authorCastilho, Paula Machado
dc.contributor.authorCastilho, Paula C
dc.date.accessioned2026-08-11T14:52:56Z
dc.date.available2026-08-11T14:52:56Z
dc.date.issued2025-09-18
dc.description.abstractBACKGROUND: Essential oils (EOs) extracted from eight culinary herbs and spices, some endemic to Macaronesia flora (Cedro nella canariensis, Clinopodium ascendens and Laurus novocanariensis) and others common in Mediterranean cuisine (Cinnamo mum burmannii, Ocimum gratissimum, Origanum vulgare subsp. virens, Syzygium aromaticum and Thymus vulgaris) were evaluated via direct-contact bioassays, both in vitro and in vivo, against three species of phytopathogenic fungi (Alternaria alternata, Botrytis cinerea, and Fusarium oxysporum) and the obligatory biotrophic fungus Oidium farinosum. Carvacrol-rich Origanum vulgare was selected to study the influence of isomerism on bioactivity, because Thymus vulgaris is rich in thymol, a structural isomer of carvacrol. RESULTS:FiveEOsexhibitedstrongtomoderateantifungalactivityandwerefurtherscreenedatlowerconcentrationstoassess their toxicity and growth inhibition thresholds. Cedronella canariensis showed no antifungal activity, whereas Laurus novoca nariensis demonstrated only weak activity against Botrytis cinerea. This fungus was more susceptible to the tested EO than the other phytopathogenic fungi. Origanum vulgare was slightly more effective than Thymus vulgaris, for all three phytopath ogenic fungi. Ocimum gratissimum, Syzygium aromaticum, and Cinnamomum burmannii significantly reduced powdery mildew severity, whereas Origanum vulgare and Thymus vulgaris showed moderate activity. CONCLUSION:Phenylpropanoid-rich EOs, such as Cinnamomum burmannii, Ocimum gratissimum, and S. aromaticum, exhibited the strongest antifungal activity in both bioassays with phytopathogenic and obligate biotrophicfungi.Ourresults confirmthe higher antifungal activity of the phenylpropanoid class of EOs.eng
dc.identifier.citationFerreira, R. M., Pereira, V. S., Sardinha, D. F., Rodríguez Sabina, S., Pérez, R. C., & Castilho, P. M. (2026). Assessing essential oils from Macaronesia: a study on their efficacy against phytopathogenic and obligate biotrophic fungi. Pest Management Science, 82(1), 421-432.
dc.identifier.doi10.1002/ps.70205
dc.identifier.issn1526-498X
dc.identifier.issn1526-4998
dc.identifier.urihttp://hdl.handle.net/10400.13/7928
dc.language.isoeng
dc.peerreviewedyes
dc.publisherWiley
dc.relationMadeira Chemistry Research Centre
dc.relationMadeira Chemistry Research Centre
dc.relationValorization of biomass byproducts as sources of biopesticides through development and application of eco-friendly processes
dc.relation.ispartofPest Management Science
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectEssential oils
dc.subjectPhytopathogenic fungi
dc.subjectObligate fungi
dc.subjectAntifungal activity
dc.subject.
dc.subjectCentro de Química da Madeira
dc.subjectFaculdade de Ciências Exatas e da Engenharia
dc.titleAssessing essential oils from Macaronesia: a study on their efficacy against phytopathogenic and obligate biotrophic fungieng
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberUIDB/00674/2020
oaire.awardNumberUIDP/00674/2020
oaire.awardNumber2020.07711.BD
oaire.awardTitleMadeira Chemistry Research Centre
oaire.awardTitleMadeira Chemistry Research Centre
oaire.awardTitleValorization of biomass byproducts as sources of biopesticides through development and application of eco-friendly processes
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00674%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDP%2F00674%2F2020/PT
oaire.awardURIhttp://hdl.handle.net/10400.13/7927
oaire.citation.endPage432
oaire.citation.issue1
oaire.citation.startPage421
oaire.citation.titlePest Management Science
oaire.citation.volume82
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameCastilho
person.givenNamePaula C
person.identifierA-4412-2013
person.identifier.ciencia-id6D15-8C69-A2E0
person.identifier.orcid0000-0002-8303-4286
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
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relation.isAuthorOfPublication.latestForDiscoveryd84fd917-438e-43bf-ac6f-256562481c05
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