<i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in Argentina

Autores
Palmucci, Hemilse Elena; Grijalba, Pablo E.; Guillin, Eduardo; López, María Virginia; Herrera, Cecilia; Fantino, Elisa; Wolcan, Silvia María
Año de publicación
2011
Idioma
inglés
Tipo de recurso
artículo
Estado
versión enviada
Descripción
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.
Materia
Ciencias Agrícolas
Ciencias Biológicas
ornamentals
peronosporomycetes
susceptibility
Plantas
Parásitos
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by/4.0/
Repositorio
CIC Digital (CICBA)
Institución
Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
OAI Identificador
oai:digital.cic.gba.gob.ar:11746/3895

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network_acronym_str CICBA
repository_id_str 9441
network_name_str CIC Digital (CICBA)
spelling <i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in ArgentinaPalmucci, Hemilse ElenaGrijalba, Pablo E.Guillin, EduardoLópez, María VirginiaHerrera, CeciliaFantino, ElisaWolcan, Silvia MaríaCiencias AgrícolasCiencias BiológicasornamentalsperonosporomycetessusceptibilityPlantasParásitosDieffenbachia 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.2011-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/submittedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttps://digital.cic.gba.gob.ar/handle/11746/3895engArgentinainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0/reponame:CIC Digital (CICBA)instname:Comisión de Investigaciones Científicas de la Provincia de Buenos Airesinstacron:CICBA2025-09-29T13:39:59Zoai:digital.cic.gba.gob.ar:11746/3895Institucionalhttp://digital.cic.gba.gob.arOrganismo científico-tecnológicoNo correspondehttp://digital.cic.gba.gob.ar/oai/snrdmarisa.degiusti@sedici.unlp.edu.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:94412025-09-29 13:39:59.705CIC Digital (CICBA) - Comisión de Investigaciones Científicas de la Provincia de Buenos Airesfalse
dc.title.none.fl_str_mv <i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in Argentina
title <i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in Argentina
spellingShingle <i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in Argentina
Palmucci, Hemilse Elena
Ciencias Agrícolas
Ciencias Biológicas
ornamentals
peronosporomycetes
susceptibility
Plantas
Parásitos
title_short <i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in Argentina
title_full <i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in Argentina
title_fullStr <i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in Argentina
title_full_unstemmed <i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in Argentina
title_sort <i>Phytophthora nicotianae</i> causing root and stem rot on <i>Dieffenbachia picta</i> in Argentina
dc.creator.none.fl_str_mv Palmucci, Hemilse Elena
Grijalba, Pablo E.
Guillin, Eduardo
López, María Virginia
Herrera, Cecilia
Fantino, Elisa
Wolcan, Silvia María
author Palmucci, Hemilse Elena
author_facet Palmucci, Hemilse Elena
Grijalba, Pablo E.
Guillin, Eduardo
López, María Virginia
Herrera, Cecilia
Fantino, Elisa
Wolcan, Silvia María
author_role author
author2 Grijalba, Pablo E.
Guillin, Eduardo
López, María Virginia
Herrera, Cecilia
Fantino, Elisa
Wolcan, Silvia María
author2_role author
author
author
author
author
author
dc.subject.none.fl_str_mv Ciencias Agrícolas
Ciencias Biológicas
ornamentals
peronosporomycetes
susceptibility
Plantas
Parásitos
topic Ciencias Agrícolas
Ciencias Biológicas
ornamentals
peronosporomycetes
susceptibility
Plantas
Parásitos
dc.description.none.fl_txt_mv 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.
description 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.
publishDate 2011
dc.date.none.fl_str_mv 2011-01-01
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/submittedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str submittedVersion
dc.identifier.none.fl_str_mv https://digital.cic.gba.gob.ar/handle/11746/3895
url https://digital.cic.gba.gob.ar/handle/11746/3895
dc.language.none.fl_str_mv eng
language eng
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
http://creativecommons.org/licenses/by/4.0/
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by/4.0/
dc.format.none.fl_str_mv application/pdf
dc.coverage.none.fl_str_mv Argentina
dc.source.none.fl_str_mv reponame:CIC Digital (CICBA)
instname:Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
instacron:CICBA
reponame_str CIC Digital (CICBA)
collection CIC Digital (CICBA)
instname_str Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
instacron_str CICBA
institution CICBA
repository.name.fl_str_mv CIC Digital (CICBA) - Comisión de Investigaciones Científicas de la Provincia de Buenos Aires
repository.mail.fl_str_mv marisa.degiusti@sedici.unlp.edu.ar
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