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Pathogenicity of Phytophthora lateralis lineages on resistant and susceptible selections of Chamaecyparis lawsoniana

hal.structure.identifierBiodiversité, Gènes & Communautés [BioGeCo]
dc.contributor.authorROBIN, Cécile
hal.structure.identifierRetired, Alton
dc.contributor.authorBRASIER, Clive M.
hal.structure.identifierOregon State University [OSU]
dc.contributor.authorREESER, Paul W.
hal.structure.identifierOregon State University [OSU]
dc.contributor.authorSUTTON, Wendy
hal.structure.identifierUniversità degli studi della Tuscia [Viterbo]
dc.contributor.authorVANNINI, Andrea
hal.structure.identifierUniversità degli studi della Tuscia [Viterbo]
dc.contributor.authorVETTRAINO, Anna Maria
hal.structure.identifierOregon State University [OSU]
dc.contributor.authorHANSEN, Everett M.
dc.date.issued2015
dc.identifier.issn0191-2917
dc.description.abstractEnPhytophthora lateralis, the cause of Chamaecyparis lawsoniana root disease, was introduced in North America about 1950, and has since killed trees along roads and streams throughout the tree’s range. Recent results suggest an Asian origin for this Oomycete and four genetic lineages were identified. This raised questions for the genetic exapted resistance demonstrated in 1989 within the wild population of C. lawsoniana but with only one P. lateralis lineage. The main goal of the present research was to test the durability of the demonstrated resistance and to compare the pathogenicity of isolates representing the four lineages. No breakdown of resistance was observed in five separate tests using different inoculation techniques, resistant and susceptible C. lawsoniana trees, and seedling families. Differences in mortality and lesion length were observed between the lineages. The higher aggressiveness of isolates of the TWJ and PNW lineages and the lower aggressiveness of the TWK lineage are discussed in view of the hypotheses on the history of spread and evolutionary history of the P. lateralis lineages.
dc.language.isoen
dc.publisherAmerican Phytopathological Society
dc.title.enPathogenicity of Phytophthora lateralis lineages on resistant and susceptible selections of Chamaecyparis lawsoniana
dc.typeArticle de revue
dc.identifier.doi10.1094/PDIS-07-14-0720-RE
dc.subject.halSciences du Vivant [q-bio]
bordeaux.journalPlant Disease
bordeaux.page1133-1139
bordeaux.volume99
bordeaux.issue8
bordeaux.peerReviewedoui
hal.identifierhal-02636619
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02636619v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Plant%20Disease&rft.date=2015&rft.volume=99&rft.issue=8&rft.spage=1133-1139&rft.epage=1133-1139&rft.eissn=0191-2917&rft.issn=0191-2917&rft.au=ROBIN,%20C%C3%A9cile&BRASIER,%20Clive%20M.&REESER,%20Paul%20W.&SUTTON,%20Wendy&VANNINI,%20Andrea&rft.genre=article


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