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Effects of wild plants essential oils on the growth of Phytophthra cinnamomi and Castanea sativa

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dc.contributor.authorSousa, Maria João
dc.contributor.authorMartins, Fátima
dc.contributor.authorBelo, Hélio
dc.contributor.authorChoupina, Altino
dc.contributor.authorMartins, Anabela
dc.date.accessioned2011-06-08T10:55:43Z
dc.date.available2011-06-08T10:55:43Z
dc.date.issued2010
dc.description.abstractWild plant essential oil effects on the growth control of Phytophthora cinnamomi and Castanea sativa M. João Sousa1, Fátima Martins1, Hélio Belo1, Altino Choupina1, 2 and Anabela Martins1 1Instituto Politécnico de Bragança, Escola Superior Agrária, Campus de Santa Apolónia, Apartado 1172, 5301-854 Bragança, Portugal 2CIMO- Centro de Investigação de Montanha, Campus de Santa Apolónia, Apartado 1172, 5301-854 Bragança, Portugal Corresponding author: joaos@ipb.pt In regions that have chestnut as the main economic resource such as in Bragança, a region in the North of Portugal, plant diseases caused by Phytophthora cinnamomi namely the chestnut ink disease are the reason for major economic losses. The prospect of an active natural product agent has a great importance, especially if this product comes from a spontaneous plant, common in this region. The essential oils are natural compounds with bactericide, fungicide and allelopathic effects, and these characteristics can be a very interesting tool to control the development of the pathogenic agents and prevent infections cause by P. cinnamomi. The essential oils were tested in different concentrations from 100% to 2% dilutions (in 70% ethanol), on P. cinnamomi mycelium after 1, 2, 3, and 4 weeks of pure culture. Since the pathogen can be found in water and can be transmitted through water, their growth was simultaneously tested in the presence of imbibed paper filter with the same essential oils and concentrations, in liquid medium, in order to understand if the essential oil can affect their development in these conditions. The essential oils from Mentha pulegioides wild plants, growing in the Northeast region of Portugal were tested also in vitro for their effect on the growth of C. sativa, to see if the oils are not toxic to this plant. Preliminary results show that essential oils of Mentha species at concentrations of less than 80% can reduce and even stop the growth of P. cinnamomi, and in concentrations of less than 90% do not affect drastically the development of C. sativa in vitro.por
dc.identifier.citationSousa, M João; Martins, Fátima; Belo, Hélio; Choupina, Altino; Martins, Anabela (2010). Effects of wild plants essential oils on the growth of Phytophthra cinnamomi and Castanea sativa. In 9th Conference of the European Fundation for Plant Pathology. Évorapor
dc.identifier.urihttp://hdl.handle.net/10198/5049
dc.language.isoengpor
dc.peerreviewedyespor
dc.publisherSociedade Portuguesa de Fitopatologiapor
dc.subjectPhytophthora cinnamomipor
dc.subjectIn vitro culturepor
dc.subjectMenthapor
dc.subjectEssential oilspor
dc.titleEffects of wild plants essential oils on the growth of Phytophthra cinnamomi and Castanea sativapor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceÉvora - Portugalpor
oaire.citation.endPage77por
oaire.citation.startPage77por
oaire.citation.title9th Conference of the European Fundation for Plant Pathologypor
person.familyNameSousa
person.familyNameChoupina
person.familyNameMartins
person.givenNameMaria João
person.givenNameAltino
person.givenNameAnabela
person.identifier587972
person.identifier.ciencia-idD91E-3571-3979
person.identifier.ciencia-id1A14-77FC-9656
person.identifier.ciencia-id7B18-A810-6B93
person.identifier.orcid0000-0002-9946-4926
person.identifier.orcid0000-0002-3956-9398
person.identifier.orcid0000-0001-6218-4413
person.identifier.ridL-5382-2014
person.identifier.ridG-5488-2013
person.identifier.scopus-author-id55230282700
person.identifier.scopus-author-id14051602500
person.identifier.scopus-author-id7203013518
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
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relation.isAuthorOfPublication314b895b-a5e2-4a92-9bc6-dd708c819be4
relation.isAuthorOfPublication383370dd-10e5-40e6-9a15-f2201fe95581
relation.isAuthorOfPublication.latestForDiscoveryda5c7615-9844-4fdf-b4d4-64d0c8e72de0

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