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Survey of Oomycetes Associated with Root and Crown Rot of Almond in Spain and Pathogenicity of Phytophthora niederhauserii and Phytopythium vexans to `Garnem¿ Rootstock

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Survey of Oomycetes Associated with Root and Crown Rot of Almond in Spain and Pathogenicity of Phytophthora niederhauserii and Phytopythium vexans to `Garnem¿ Rootstock

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dc.contributor.author Beluzán Flores, Francisco Javier es_ES
dc.contributor.author Miarnau, Xavier es_ES
dc.contributor.author Torguet, Laura es_ES
dc.contributor.author Armengol Fortí, Josep es_ES
dc.contributor.author Abad Campos, Paloma es_ES
dc.date.accessioned 2022-07-12T18:05:01Z
dc.date.available 2022-07-12T18:05:01Z
dc.date.issued 2022-02 es_ES
dc.identifier.uri http://hdl.handle.net/10251/184044
dc.description.abstract [EN] From 2018 to 2020, surveys of oomycetes associated with root and crown rot of almond (Prunus dulcis) were conducted on diseased young almond trees in commercial orchards and nurseries in six provinces of Spain. A total of 104 oomycete isolates were obtained from plant and soil samples, which h were identified by sequencing the internal transcribed spacer (ITS) region of the ribosomal DNA. Diverse species belonging to the genera Globisporangium, Phytophthora, Phytopythium and Pythium were found, Phytopythium vexans and Phytophthora niederhauserii being the most frequent. The pathogenicity of these two species to one-year-old almond seedlings of 'Garnem' (P. dulcis x P. persica) rootstock was studied. All seedlings inoculated with Pp. vexans and Ph. niederhauserii isolates showed severe symptoms at the late stage of the pathogenicity test (defoliation, wilting and dieback) and several plants died. Some isolates of Ph. niederhauserii significantly reduced the dry weight of the roots compared with the control, but this effect was not observed in seedlings inoculated with Pp. vexans. These results provide new information about the oomycete species present in almond crops in Spain and highlight the importance of carrying out frequent phytosanitary surveys for a better knowledge of potential risks posed by these soil-borne pathogens. es_ES
dc.description.sponsorship This research study was funded by INIA (Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria), Spain, through projects RTA2017-00009-C04-01 and RTA2017-00009-C04-04, and matching funds from the ERDF (European Regional Development Fund) and Grant PID2020-114648RR-C33 funded by MCIN/AEI/10.13039/501100011033. Francisco Beluzán was supported by Agencia Nacional de Investigación y Desarrollo/Subdirección de Capital Humano/Doctorado Becas Chile en el Extranjero/72200145. Xavier Miarnau was supported by the CERCA Program, Generalitat de Catalunya. es_ES
dc.language Inglés es_ES
dc.publisher MDPI AG es_ES
dc.relation.ispartof Agriculture es_ES
dc.rights Reconocimiento (by) es_ES
dc.subject Nut crops es_ES
dc.subject PCR es_ES
dc.subject Plant-pathogen interactions es_ES
dc.subject Prunus es_ES
dc.subject Soil-borne pathogens es_ES
dc.subject.classification PRODUCCION VEGETAL es_ES
dc.title Survey of Oomycetes Associated with Root and Crown Rot of Almond in Spain and Pathogenicity of Phytophthora niederhauserii and Phytopythium vexans to `Garnem¿ Rootstock es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.3390/agriculture12020294 es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2017-2020/PID2020-114648RR-C33/ES/BIOLOGIA, EPIDEMIOLOGIA Y CONTROL DE DIAPORTHE AMYGDALI Y OOMICETOS FITOPATOGENOS EN ALMENDRO / es_ES
dc.relation.projectID info:eu-repo/grantAgreement/ANID//72200145/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/INIA//RTA2017-00009-C04-01/ es_ES
dc.relation.projectID info:eu-repo/grantAgreement/AGENCIA ESTATAL DE INVESTIGACION//RTA2017-00009-C04-04//ESTUDIO INTEGRADO DE DIADEPORTE Y PHYTOPHTHORA EN ALMENDRO/ es_ES
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ecosistemas Agroforestales - Departament d'Ecosistemes Agroforestals es_ES
dc.description.bibliographicCitation Beluzán Flores, FJ.; Miarnau, X.; Torguet, L.; Armengol Fortí, J.; Abad Campos, P. (2022). Survey of Oomycetes Associated with Root and Crown Rot of Almond in Spain and Pathogenicity of Phytophthora niederhauserii and Phytopythium vexans to `Garnem¿ Rootstock. Agriculture. 12(2):1-15. https://doi.org/10.3390/agriculture12020294 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion https://doi.org/10.3390/agriculture12020294 es_ES
dc.description.upvformatpinicio 1 es_ES
dc.description.upvformatpfin 15 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 12 es_ES
dc.description.issue 2 es_ES
dc.identifier.eissn 2077-0472 es_ES
dc.relation.pasarela S\455543 es_ES
dc.contributor.funder AGENCIA ESTATAL DE INVESTIGACION es_ES
dc.contributor.funder European Regional Development Fund es_ES
dc.contributor.funder Agencia Nacional de Investigación y Desarrollo de Chile es_ES
dc.contributor.funder Instituto Nacional de Investigación y Tecnología Agraria y Alimentaria es_ES


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