Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onion

Autores
Caligiore Gei, Pablo Fernando; Valdez, Jorge Gustavo; Piccolo, Ricardo Jose; Galmarini, Claudio Romulo
Año de publicación
2014
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Fusarium basal rot (FBR), which is caused predominantly by Fusarium oxysporum and F. proliferatum, is the main limiting factor of onion crops. Resistant cultivars obtained in other countries do not behave as such in Argentina crop fields. The cultivars Antártica- INTA, Grano de Oro-Seminis, Valcatorce-INTA and TW-2007 (reported as tolerant) were tested with five Fusarium spp. isolates, using four inoculum concentrations. Disease incidence was recorded along 28 days and the area under disease progress curve was calculated. Diverse epidemiological models were fitted to experimental data. There were significant differences in the resistance level among cultivars, with TW-2007 being the most tolerant. Local Fusarium isolates were the most virulent ones. The concentration of 10,000 microconidia/gram was the most lethal for all isolates. The absence of resistance to Fusarium in the four cultivars tested was confirmed. Inoculum concentration and isolate are critical factors in screening for resistance to FBR. Breeding based on the selection of genotypes against low virulence strains of Fusarium spp. and the presence of more aggressive strains in local fields may be one of the causes why varieties reported as resistant or tolerant behave as susceptible in our environment.
EEA La Consulta
Fil: Caligiore Gei, Pablo Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina
Fil: Valdez, Jorge Gustavo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina
Fil: Piccolo, Ricardo Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina
Fil: Galmarini, Claudio Romulo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
Fuente
Tropical plant pathology 39 (1) : 019-027. (January - February 2014)
Materia
Fusarium
Allium Cepa
Podredumbre de la Raíz
Cebolla
Variedades
Inoculación
Mejora
Resistencia a la Enfermedad
Fusarium Oxysporum
Fusarium Proliferatum
Root Rots
Onions
Varieties
Inoculation
Breeding
Disease Resistance
Inoculum Concentration
Nivel de accesibilidad
acceso abierto
Condiciones de uso
http://creativecommons.org/licenses/by-nc-sa/4.0/
Repositorio
INTA Digital (INTA)
Institución
Instituto Nacional de Tecnología Agropecuaria
OAI Identificador
oai:localhost:20.500.12123/3110
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oai_identifier_str oai:localhost:20.500.12123/3110
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network_name_str INTA Digital (INTA)
spelling Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onionCaligiore Gei, Pablo FernandoValdez, Jorge GustavoPiccolo, Ricardo JoseGalmarini, Claudio RomuloFusariumAllium CepaPodredumbre de la RaízCebollaVariedadesInoculaciónMejoraResistencia a la EnfermedadFusarium OxysporumFusarium ProliferatumRoot RotsOnionsVarietiesInoculationBreedingDisease ResistanceInoculum ConcentrationFusarium basal rot (FBR), which is caused predominantly by Fusarium oxysporum and F. proliferatum, is the main limiting factor of onion crops. Resistant cultivars obtained in other countries do not behave as such in Argentina crop fields. The cultivars Antártica- INTA, Grano de Oro-Seminis, Valcatorce-INTA and TW-2007 (reported as tolerant) were tested with five Fusarium spp. isolates, using four inoculum concentrations. Disease incidence was recorded along 28 days and the area under disease progress curve was calculated. Diverse epidemiological models were fitted to experimental data. There were significant differences in the resistance level among cultivars, with TW-2007 being the most tolerant. Local Fusarium isolates were the most virulent ones. The concentration of 10,000 microconidia/gram was the most lethal for all isolates. The absence of resistance to Fusarium in the four cultivars tested was confirmed. Inoculum concentration and isolate are critical factors in screening for resistance to FBR. Breeding based on the selection of genotypes against low virulence strains of Fusarium spp. and the presence of more aggressive strains in local fields may be one of the causes why varieties reported as resistant or tolerant behave as susceptible in our environment.EEA La ConsultaFil: Caligiore Gei, Pablo Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; ArgentinaFil: Valdez, Jorge Gustavo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; ArgentinaFil: Piccolo, Ricardo Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; ArgentinaFil: Galmarini, Claudio Romulo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaBrazilian Phytopathological Society2018-08-16T18:15:55Z2018-08-16T18:15:55Z2014info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/3110http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1982-56762014000100003&lng=en&nrm=iso&tlng=en1983-2052Tropical plant pathology 39 (1) : 019-027. (January - February 2014)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)2025-10-16T09:29:16Zoai:localhost:20.500.12123/3110instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-10-16 09:29:16.769INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse
dc.title.none.fl_str_mv Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onion
title Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onion
spellingShingle Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onion
Caligiore Gei, Pablo Fernando
Fusarium
Allium Cepa
Podredumbre de la Raíz
Cebolla
Variedades
Inoculación
Mejora
Resistencia a la Enfermedad
Fusarium Oxysporum
Fusarium Proliferatum
Root Rots
Onions
Varieties
Inoculation
Breeding
Disease Resistance
Inoculum Concentration
title_short Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onion
title_full Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onion
title_fullStr Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onion
title_full_unstemmed Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onion
title_sort Influence of Fusarium spp. isolate and inoculum density on resistance screening tests in onion
dc.creator.none.fl_str_mv Caligiore Gei, Pablo Fernando
Valdez, Jorge Gustavo
Piccolo, Ricardo Jose
Galmarini, Claudio Romulo
author Caligiore Gei, Pablo Fernando
author_facet Caligiore Gei, Pablo Fernando
Valdez, Jorge Gustavo
Piccolo, Ricardo Jose
Galmarini, Claudio Romulo
author_role author
author2 Valdez, Jorge Gustavo
Piccolo, Ricardo Jose
Galmarini, Claudio Romulo
author2_role author
author
author
dc.subject.none.fl_str_mv Fusarium
Allium Cepa
Podredumbre de la Raíz
Cebolla
Variedades
Inoculación
Mejora
Resistencia a la Enfermedad
Fusarium Oxysporum
Fusarium Proliferatum
Root Rots
Onions
Varieties
Inoculation
Breeding
Disease Resistance
Inoculum Concentration
topic Fusarium
Allium Cepa
Podredumbre de la Raíz
Cebolla
Variedades
Inoculación
Mejora
Resistencia a la Enfermedad
Fusarium Oxysporum
Fusarium Proliferatum
Root Rots
Onions
Varieties
Inoculation
Breeding
Disease Resistance
Inoculum Concentration
dc.description.none.fl_txt_mv Fusarium basal rot (FBR), which is caused predominantly by Fusarium oxysporum and F. proliferatum, is the main limiting factor of onion crops. Resistant cultivars obtained in other countries do not behave as such in Argentina crop fields. The cultivars Antártica- INTA, Grano de Oro-Seminis, Valcatorce-INTA and TW-2007 (reported as tolerant) were tested with five Fusarium spp. isolates, using four inoculum concentrations. Disease incidence was recorded along 28 days and the area under disease progress curve was calculated. Diverse epidemiological models were fitted to experimental data. There were significant differences in the resistance level among cultivars, with TW-2007 being the most tolerant. Local Fusarium isolates were the most virulent ones. The concentration of 10,000 microconidia/gram was the most lethal for all isolates. The absence of resistance to Fusarium in the four cultivars tested was confirmed. Inoculum concentration and isolate are critical factors in screening for resistance to FBR. Breeding based on the selection of genotypes against low virulence strains of Fusarium spp. and the presence of more aggressive strains in local fields may be one of the causes why varieties reported as resistant or tolerant behave as susceptible in our environment.
EEA La Consulta
Fil: Caligiore Gei, Pablo Fernando. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina
Fil: Valdez, Jorge Gustavo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina
Fil: Piccolo, Ricardo Jose. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina
Fil: Galmarini, Claudio Romulo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria La Consulta; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina
description Fusarium basal rot (FBR), which is caused predominantly by Fusarium oxysporum and F. proliferatum, is the main limiting factor of onion crops. Resistant cultivars obtained in other countries do not behave as such in Argentina crop fields. The cultivars Antártica- INTA, Grano de Oro-Seminis, Valcatorce-INTA and TW-2007 (reported as tolerant) were tested with five Fusarium spp. isolates, using four inoculum concentrations. Disease incidence was recorded along 28 days and the area under disease progress curve was calculated. Diverse epidemiological models were fitted to experimental data. There were significant differences in the resistance level among cultivars, with TW-2007 being the most tolerant. Local Fusarium isolates were the most virulent ones. The concentration of 10,000 microconidia/gram was the most lethal for all isolates. The absence of resistance to Fusarium in the four cultivars tested was confirmed. Inoculum concentration and isolate are critical factors in screening for resistance to FBR. Breeding based on the selection of genotypes against low virulence strains of Fusarium spp. and the presence of more aggressive strains in local fields may be one of the causes why varieties reported as resistant or tolerant behave as susceptible in our environment.
publishDate 2014
dc.date.none.fl_str_mv 2014
2018-08-16T18:15:55Z
2018-08-16T18:15:55Z
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/20.500.12123/3110
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1982-56762014000100003&lng=en&nrm=iso&tlng=en
1983-2052
url http://hdl.handle.net/20.500.12123/3110
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1982-56762014000100003&lng=en&nrm=iso&tlng=en
identifier_str_mv 1983-2052
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-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
eu_rights_str_mv openAccess
rights_invalid_str_mv http://creativecommons.org/licenses/by-nc-sa/4.0/
Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Brazilian Phytopathological Society
publisher.none.fl_str_mv Brazilian Phytopathological Society
dc.source.none.fl_str_mv Tropical plant pathology 39 (1) : 019-027. (January - February 2014)
reponame:INTA Digital (INTA)
instname:Instituto Nacional de Tecnología Agropecuaria
reponame_str INTA Digital (INTA)
collection INTA Digital (INTA)
instname_str Instituto Nacional de Tecnología Agropecuaria
repository.name.fl_str_mv INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuaria
repository.mail.fl_str_mv tripaldi.nicolas@inta.gob.ar
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score 12.712165

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