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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/68346
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dc.contributor.authorLimkaisang, Saranya-
dc.contributor.authorKom-un, Sawanee-
dc.contributor.authorFurtado, Edson Luiz-
dc.contributor.authorLiew, Kon Wui-
dc.contributor.authorSalleh, Baharuddin-
dc.contributor.authorSato, Yukio-
dc.contributor.authorTakamatsu, Susumu-
dc.date.accessioned2014-05-27T11:21:23Z-
dc.date.accessioned2016-10-25T18:20:58Z-
dc.date.available2014-05-27T11:21:23Z-
dc.date.available2016-10-25T18:20:58Z-
dc.date.issued2005-08-01-
dc.identifierhttp://dx.doi.org/10.1007/s10267-005-0238-8-
dc.identifier.citationMycoscience, v. 46, n. 4, p. 220-226, 2005.-
dc.identifier.issn1340-3540-
dc.identifier.urihttp://hdl.handle.net/11449/68346-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/68346-
dc.description.abstractPowdery mildew of rubber tree caused by Oidium heveae is an important disease of rubber plantations worldwide. Identification and classification of this fungus is still uncertain because there is no authoritative report of its morphology and no record of its teleomorphic stage. In this study, we compared five specimens of the rubber powdery mildew fungus collected in Malaysia, Thailand, and Brazil based on morphological and molecular characteristics. Morphological results showed that the fungus on rubber tree belongs to Oidium subgen. Pseudoidium. Nucleotide sequence analysis of the ribosomal DNA internal transcribed spacer (ITS) region and the large subunit rRNA gene (28S rDNA) were conducted to determine the relationships of the rubber powdery mildew fungus and to link this anamorphic fungus with its allied teleomorph. The results showed that the rDNA sequences of the two specimens from Malaysia were identical to a specimen from Thailand, whereas they differed by three bases from the two Brazilian isolates: one nucleotide position in the ITS2 and two positions in the 28S sequences. The ITS sequences of the two Brazilian isolates were identical to sequences of Erysiphe sp. on Quercus phillyraeoides collected in Japan, although the 28S sequences differed at one base from sequences of this fungus. Phylogenetic trees of both rDNA regions constructed by the distance and parsimony methods showed that the rubber powdery mildew fungus grouped with Erysiphe sp. on Q. phillyraeoides with 100% bootstrap support. Comparisons of the anamorph of two isolates of Erysiphe sp. from Q. phillyraeoides with the rubber mildew did not reveal any obvious differences between the two powdery mildew taxa, which suggests that O. heveae may be an anamorph of Erysiphe sp. on Q. phillyraeoides. Cross-inoculation tests are required to substantiate this conclusion. © The Mycological Society of Japan and Springer-Verlag 2005.en
dc.format.extent220-226-
dc.language.isoeng-
dc.sourceScopus-
dc.subject28S rDNAen
dc.subjectErysipheen
dc.subjectHevea brasiliensisen
dc.subjectITSen
dc.subjectQuercus phillyraeoidesen
dc.subjectErysiphalesen
dc.subjectFungien
dc.subjectFungi imperfectien
dc.subjectOidiumen
dc.subjectPseudoidiumen
dc.titleMolecular phylogenetic and morphological analyses of Oidium heveae, a powdery mildew of rubber treeen
dc.typeoutro-
dc.contributor.institutionMie University-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.contributor.institutionUniversiti Sains Malaysia-
dc.contributor.institutionToyama Prefectural University-
dc.description.affiliationFaculty of Bioresources Mie University, 1515 Kamihama, Tsu, Mie 514-8507-
dc.description.affiliationDepartamento de Producão Vegetal/FCA-UNESP, Botucatu/SP-
dc.description.affiliationSchool of Biological Sciences Universiti Sains Malaysia, Penang-
dc.description.affiliationToyama Prefectural University, Toyama-
dc.description.affiliationUnespDepartamento de Producão Vegetal/FCA-UNESP, Botucatu/SP-
dc.identifier.doi10.1007/s10267-005-0238-8-
dc.rights.accessRightsAcesso restrito-
dc.relation.ispartofMycoscience-
dc.identifier.scopus2-s2.0-23844459046-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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