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Diversity of Phytophthora species in Valdivian rainforests and association with severe dieback symptoms

2018-05Journal article Restricted access
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dc.contributor.authorJung, Thomas
dc.contributor.authorDurán, Alvaro
dc.contributor.authorStowasser, Eugenio Sanfuentes von
dc.contributor.authorSchena, Leonardo
dc.contributor.authorMosca, Saveria
dc.contributor.authorFajardo, Sebastian
dc.contributor.authorGonzález, Mariela
dc.contributor.authorNavarro Ortega, Angella D.
dc.contributor.authorBakonyi, Jozsef
dc.contributor.authorSeress, Diana
dc.contributor.authorMichal Tomšovský
dc.contributor.authorCravador, Alfredo
dc.contributor.authorMaia, Cristiana
dc.contributor.authorMarilia Horta Jung
dc.contributor.authorHorta Jung, Marília
dc.contributor.authorJung, Thomas
dc.contributor.authorCravador, Alfredo
dc.date.accessioned2024-07-10T10:34:57Z
dc.date.available2024-07-10T10:34:57Z
dc.date.issued2018-05en_US
dc.date.updated2024-07-07T13:23:43Z
dc.description.abstractThe Valdivian rainforest, one of the global hotspots of biodiversity, is a temperate rainforest originating as a Tertiary relic from the supercontinent Gondwana. In November 2014, a survey of Phytophthora diversity was performed in 13 natural forest stands and 20 forest streams and rivers in two protected areas near Valdivia and in a temperate montane forest in the Concepción area. One planted stand each of the introduced tree species Castanea sativa and Fagus sylvatica were also included. Using baiting assays, eight described species and four previously unknown taxa of Phytophthora were isolated from 86% of the 50 rhizosphere soil samples from seven of the eight tree species sampled in 12 forest stands, and from 20 streams: P. chlamydospora, P. cinnamomi, P. kernoviae, P. lacustris, P. plurivora, P. pseudosyringae, P. ×cambivora, P. ×stagnum, P. valdiviana nom. prov. from Clade 2b, P. madida nom. prov. from Clade 8a, and P. chilensis nom. prov. and P. pseudokernoviae nom. prov. The latter two species are the closest relatives of P. kernoviae from Clade 10. Phytophthora pseudokernoviae nom. prov. was also isolated from necrotic leaves of Drimys winteri. From the Valdivia river, a swarm of three Clade 6 hybrids was recovered. Each hybrid isolate resulted from multiple reticulation events with P. thermophila as maternal and both P. amnicola and P. chlamydospora as paternal parents. In addition, three previously unknown and recently described Nothophytophthora species, N. caduca, N. chlamydospora and N. valdiviana, were isolated from several forest streams. Phytophthora cinnamomi, the most common and widespread species in soils of native forests, was associated with severe dieback of Valdivian rainforest trees, in particular D. winteri, Luma apiculata, Nothofagus dombeyi and the endangered Saxegothaea conspicua. A first pathogenicity test demonstrated high aggressiveness of P. cinnamomi to several native tree species, including N. dombeyi, Blepharocalyx cruckshanksii and Gevuina avellana.eng
dc.description.sponsorshipCzech Ministry for Education, Youth and Sports, Grant/Award Number: Reg. No. CZ.02.1.01/0.0/0.0/15_003/0000453; Hungarian Scientific Research Fund (OTKA), Grant/Award Number: K101914; Italian Ministry of Education, University and Research (MIUR), Grant/Award Number: MIUR-FIRB 2010 (RBFR10PZ4N); Portuguese Science and Technology Foundation (FCT), Grant/Award Number: BIODIVERSA/0002/2012; European Regional Development Fund, Grant/Award Number: Reg. No. CZ.02.1.01/0.0/0.0/15_0 03/0000453
dc.description.versionN/A
dc.identifier.doi10.1111/efp.12443en_US
dc.identifier.slugcv-prod-2409080
dc.identifier.source-work-id10.1111/efp.12443en_US
dc.identifier.urihttp://hdl.handle.net/10400.1/25583
dc.language.isoeng
dc.peerreviewedyes
dc.publisherWiley
dc.relationResponses of European Forests and Society to Invasive Pathogens
dc.relationRESIPATH
dc.rights.uriN/A
dc.titleDiversity of Phytophthora species in Valdivian rainforests and association with severe dieback symptomsen_US
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleResponses of European Forests and Society to Invasive Pathogens
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/BIODIVERSA Call 2012-2013/BIODIVERSA%2F0002%2F2012/PT
oaire.citation.issue5en_US
oaire.citation.titleForest Pathologyen_US
oaire.citation.volume48en_US
oaire.fundingStreamBIODIVERSA Call 2012-2013
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameMaia
person.familyNameHorta Jung
person.familyNameJung
person.familyNameCravador
person.givenNameCristiana
person.givenNameMarília
person.givenNameThomas
person.givenNameAlfredo
person.identifier.ciencia-idBC15-6F7F-F84A
person.identifier.ciencia-id6A14-0727-EDCD
person.identifier.orcid0000-0002-8654-2905
person.identifier.orcid0000-0003-2219-8647
person.identifier.orcid0000-0003-2034-0718
person.identifier.orcid0000-0002-9831-9815
person.identifier.ridD-6946-2017
person.identifier.ridE-7624-2013
person.identifier.ridF-1665-2013
person.identifier.ridK-7247-2012
person.identifier.scopus-author-id56106673800
person.identifier.scopus-author-id16312454300
person.identifier.scopus-author-id7201389242
person.identifier.scopus-author-id6602537257
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.cv.cienciaidEB12-C8F8-49E0 | Alfredo Jaime Morais Cravador
rcaap.rightsopenAccessen_US
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