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dc.coverage.spatial Argentina es 2013-08-23T12:44:31Z 2013-08-23T12:44:31Z 2011
dc.description.abstract Dieffenbachia picta is a worldwide appreciated crop due to its ornamental value. In Argentina it is cultivated in warm provinces and in the outskirts of Buenos Aires city, where in spring 2007 a great amount of plants were lost in commercial greenhouses. Symptoms such as wilting and soaked lesions in the basal leaves began in four- to six-month-old plants causing plants to wilt due to basal stem and root rot processes. A Peronosporomycete was consistently isolated from diseased tissues. The pathogen was identified as Phytophthora nicotianae based on cultural characteristics, morphology of vegetative and reproductive structures, and on the analysis of the sequence of the nuclear ribosomal internal transcribed spacer (ITS) region. Pathogenicity tests were carried out and Koch's postulates were fulfilled. In complementary studies, the dieffenbachia varieties Alex, Compact, Camilla and Marianne were susceptible to the infection caused by P. nicotianae, whereas Tropic snow (D. amonea) was resistant. This is the first report of P. nicotianae causing stem and root rot of D. picta in Argentina and in the Americas. en
dc.format.extent p. 327-331 es
dc.language en es
dc.title Phytophthora nicotianae causing root and stem rot on Dieffenbachia picta in Argentina en
dc.title.alternative Phytophthora nicotianae causando podridão de raiz e caule em Dieffenbachia picta em Buenos Aires, Argentina pt
dc.type Articulo es
sedici.identifier.uri es
sedici.identifier.issn 1982-5676 es
sedici.creator.person Palmucci, Hemilse Elena es
sedici.creator.person Grijalba, Pablo Esteban es
sedici.creator.person Wolcan, Silvia María es
sedici.creator.person Guillin, Eduardo es
sedici.creator.person López, María Virginia es
sedici.creator.person Herrera, Cecilia es
sedici.creator.person Fantino, Elisa es
sedici.subject.materias Ciencias Agrarias es
sedici.subject.materias Biología es
sedici.subject.decs Plantas es
sedici.subject.decs Parásitos es
sedici.subject.keyword ornamentals en
sedici.subject.keyword peronosporomycetes en
sedici.subject.keyword susceptibility en
sedici.description.fulltext true es Facultad de Ciencias Agrarias y Forestales es
sedici.subtype Comunicacion es
sedici.rights.license Creative Commons Attribution-NonCommercial 2.5 Argentina (CC BY-NC 2.5)
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Tropical Plant Pathology es
sedici.relation.journalVolumeAndIssue vol. 36, no. 5 es

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Creative Commons Attribution-NonCommercial 2.5 Argentina (CC BY-NC 2.5) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution-NonCommercial 2.5 Argentina (CC BY-NC 2.5)