Aerial spread of smut spores during peanut harvest

Autores
Paredes, Juan Andrés; Sparks, Adam H.; Monguillot, Joaquín Humberto; Rago, Alejandro Mario; Edwards Molina, Juan Pablo
Año de publicación
2024
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
Peanut smut (Thecaphora frezzii) is one of the most important peanut diseases in Argentinian peanut production. This monocyclic soil-borne pathogen transforms kernels into spore masses. Spore liberation from broken infected pods during the harvest process is supposed to be the main mechanism of inoculum spread, with the subsequent spread among fields increasing the soil inoculum for future peanut cropping seasons. However, we are unaware of any published study on the role of wind (in terms of speed and direction) in how far smut spores spread. Therefore, we conducted an observational study where passive spore traps were distributed at harvest around six fields placed at 100, 200, 300, and 400 m away from each field’s centroid in four cardinal directions. Three time slices were sampled: from the beginning of harvest to 90-, 180-, and 270-minutes continuously during harvest. Wind speed and direction were recorded at each trap. A generalized additive model was fitted to describe the spore spread. Modeling the dispersal shows that the spread is influenced by wind speed and the smut severely damaged pods incidence present at the harvested field. Additionally, spore size and proportion of different smut spore types were assessed (from a single unit spore to a 5-multinuclear propagule). No statistical differences were observed in the proportion of the spore types trapped. However, fewer spores were trapped at distances farther from the harvested area. This work led us to understand a fundamental component of the peanut smut cycle and epidemiology, which is to design management strategies. For example, avoiding harvest on windy days (typically >10 km h-1) to prevent the distant spread of inoculum for subsequent seasons or predicting the risk surrounding an infected field.
Instituto de Patología Vegetal
Fil: Paredes, Juan Andrés. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina
Fil: Paredes, Juan Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); Argentina
Fil: Sparks, Adam H. Curtin University. Centre for Crop and Disease Management; Australia
Fil: Sparks, Adam H. Department of Primary Industries and Regional Development; Australia
Fil: Sparks, Adam H. University of Southern Queensland. Centre for Crop Health; Australia
Fil: Monguillot, Joaquín Humberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); Argentina
Fil: Monguillot, Joaquín Humberto. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina
Fil: Rago, Alejandro Mario. Instituto Nacional de Tecnología Agropecuaria (INTA). Centro de Investigaciones Agropecuarias (CIAP); Argentina
Fil: Rago, Alejandro Mario. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria; Argentina
Fil: Edwards Molina, Juan Pablo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina
Fuente
Tropical Plant Pathology : 1-13 (Published: 18 March 2024)
Materia
Epidemiology
Groundnuts
Epidemiología
Cordoba (Argentina)
Cacahuete
Arachis hypogaea
Inoculum Source
Peanut Disease
Spore Dispersal
Spore Trap
Peanuts
Thecaphora Frezzii
Maní
Nivel de accesibilidad
acceso restringido
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:20.500.12123/17118
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oai_identifier_str oai:localhost:20.500.12123/17118
network_acronym_str INTADig
repository_id_str l
network_name_str INTA Digital (INTA)
spelling Aerial spread of smut spores during peanut harvestParedes, Juan AndrésSparks, Adam H.Monguillot, Joaquín HumbertoRago, Alejandro MarioEdwards Molina, Juan PabloEpidemiologyGroundnutsEpidemiologíaCordoba (Argentina)CacahueteArachis hypogaeaInoculum SourcePeanut DiseaseSpore DispersalSpore TrapPeanutsThecaphora FrezziiManíPeanut smut (Thecaphora frezzii) is one of the most important peanut diseases in Argentinian peanut production. This monocyclic soil-borne pathogen transforms kernels into spore masses. Spore liberation from broken infected pods during the harvest process is supposed to be the main mechanism of inoculum spread, with the subsequent spread among fields increasing the soil inoculum for future peanut cropping seasons. However, we are unaware of any published study on the role of wind (in terms of speed and direction) in how far smut spores spread. Therefore, we conducted an observational study where passive spore traps were distributed at harvest around six fields placed at 100, 200, 300, and 400 m away from each field’s centroid in four cardinal directions. Three time slices were sampled: from the beginning of harvest to 90-, 180-, and 270-minutes continuously during harvest. Wind speed and direction were recorded at each trap. A generalized additive model was fitted to describe the spore spread. Modeling the dispersal shows that the spread is influenced by wind speed and the smut severely damaged pods incidence present at the harvested field. Additionally, spore size and proportion of different smut spore types were assessed (from a single unit spore to a 5-multinuclear propagule). No statistical differences were observed in the proportion of the spore types trapped. However, fewer spores were trapped at distances farther from the harvested area. This work led us to understand a fundamental component of the peanut smut cycle and epidemiology, which is to design management strategies. For example, avoiding harvest on windy days (typically >10 km h-1) to prevent the distant spread of inoculum for subsequent seasons or predicting the risk surrounding an infected field.Instituto de Patología VegetalFil: Paredes, Juan Andrés. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; ArgentinaFil: Paredes, Juan Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); ArgentinaFil: Sparks, Adam H. Curtin University. Centre for Crop and Disease Management; AustraliaFil: Sparks, Adam H. Department of Primary Industries and Regional Development; AustraliaFil: Sparks, Adam H. University of Southern Queensland. Centre for Crop Health; AustraliaFil: Monguillot, Joaquín Humberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); ArgentinaFil: Monguillot, Joaquín Humberto. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; ArgentinaFil: Rago, Alejandro Mario. Instituto Nacional de Tecnología Agropecuaria (INTA). Centro de Investigaciones Agropecuarias (CIAP); ArgentinaFil: Rago, Alejandro Mario. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria; ArgentinaFil: Edwards Molina, Juan Pablo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; ArgentinaSpringer2024-03-20T10:11:49Z2024-03-20T10:11:49Z2024-03-18info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfhttp://hdl.handle.net/20.500.12123/17118https://link.springer.com/article/10.1007/s40858-024-00645-51983-2052https://doi.org/10.1007/s40858-024-00645-5Tropical Plant Pathology : 1-13 (Published: 18 March 2024)reponame:INTA Digital (INTA)instname:Instituto Nacional de Tecnología Agropecuariaenginfo:eu-repograntAgreement/INTA/2019-PD-E4-I090-001, Análisis de patosistemas en cultivos agrícolas y especies forestales. Caracterización de sus componentesinfo:eu-repo/semantics/restrictedAccesshttp://creativecommons.org/licenses/by-nc-sa/4.0/Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)2025-09-11T10:25:00Zoai:localhost:20.500.12123/17118instacron:INTAInstitucionalhttp://repositorio.inta.gob.ar/Organismo científico-tecnológicoNo correspondehttp://repositorio.inta.gob.ar/oai/requesttripaldi.nicolas@inta.gob.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:l2025-09-11 10:25:01.131INTA Digital (INTA) - Instituto Nacional de Tecnología Agropecuariafalse
dc.title.none.fl_str_mv Aerial spread of smut spores during peanut harvest
title Aerial spread of smut spores during peanut harvest
spellingShingle Aerial spread of smut spores during peanut harvest
Paredes, Juan Andrés
Epidemiology
Groundnuts
Epidemiología
Cordoba (Argentina)
Cacahuete
Arachis hypogaea
Inoculum Source
Peanut Disease
Spore Dispersal
Spore Trap
Peanuts
Thecaphora Frezzii
Maní
title_short Aerial spread of smut spores during peanut harvest
title_full Aerial spread of smut spores during peanut harvest
title_fullStr Aerial spread of smut spores during peanut harvest
title_full_unstemmed Aerial spread of smut spores during peanut harvest
title_sort Aerial spread of smut spores during peanut harvest
dc.creator.none.fl_str_mv Paredes, Juan Andrés
Sparks, Adam H.
Monguillot, Joaquín Humberto
Rago, Alejandro Mario
Edwards Molina, Juan Pablo
author Paredes, Juan Andrés
author_facet Paredes, Juan Andrés
Sparks, Adam H.
Monguillot, Joaquín Humberto
Rago, Alejandro Mario
Edwards Molina, Juan Pablo
author_role author
author2 Sparks, Adam H.
Monguillot, Joaquín Humberto
Rago, Alejandro Mario
Edwards Molina, Juan Pablo
author2_role author
author
author
author
dc.subject.none.fl_str_mv Epidemiology
Groundnuts
Epidemiología
Cordoba (Argentina)
Cacahuete
Arachis hypogaea
Inoculum Source
Peanut Disease
Spore Dispersal
Spore Trap
Peanuts
Thecaphora Frezzii
Maní
topic Epidemiology
Groundnuts
Epidemiología
Cordoba (Argentina)
Cacahuete
Arachis hypogaea
Inoculum Source
Peanut Disease
Spore Dispersal
Spore Trap
Peanuts
Thecaphora Frezzii
Maní
dc.description.none.fl_txt_mv Peanut smut (Thecaphora frezzii) is one of the most important peanut diseases in Argentinian peanut production. This monocyclic soil-borne pathogen transforms kernels into spore masses. Spore liberation from broken infected pods during the harvest process is supposed to be the main mechanism of inoculum spread, with the subsequent spread among fields increasing the soil inoculum for future peanut cropping seasons. However, we are unaware of any published study on the role of wind (in terms of speed and direction) in how far smut spores spread. Therefore, we conducted an observational study where passive spore traps were distributed at harvest around six fields placed at 100, 200, 300, and 400 m away from each field’s centroid in four cardinal directions. Three time slices were sampled: from the beginning of harvest to 90-, 180-, and 270-minutes continuously during harvest. Wind speed and direction were recorded at each trap. A generalized additive model was fitted to describe the spore spread. Modeling the dispersal shows that the spread is influenced by wind speed and the smut severely damaged pods incidence present at the harvested field. Additionally, spore size and proportion of different smut spore types were assessed (from a single unit spore to a 5-multinuclear propagule). No statistical differences were observed in the proportion of the spore types trapped. However, fewer spores were trapped at distances farther from the harvested area. This work led us to understand a fundamental component of the peanut smut cycle and epidemiology, which is to design management strategies. For example, avoiding harvest on windy days (typically >10 km h-1) to prevent the distant spread of inoculum for subsequent seasons or predicting the risk surrounding an infected field.
Instituto de Patología Vegetal
Fil: Paredes, Juan Andrés. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina
Fil: Paredes, Juan Andrés. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); Argentina
Fil: Sparks, Adam H. Curtin University. Centre for Crop and Disease Management; Australia
Fil: Sparks, Adam H. Department of Primary Industries and Regional Development; Australia
Fil: Sparks, Adam H. University of Southern Queensland. Centre for Crop Health; Australia
Fil: Monguillot, Joaquín Humberto. Consejo Nacional de Investigaciones Científicas y Técnicas. Unidad de Fitopatología y Modelización Agrícola (UFyMA); Argentina
Fil: Monguillot, Joaquín Humberto. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Patología Vegetal; Argentina
Fil: Rago, Alejandro Mario. Instituto Nacional de Tecnología Agropecuaria (INTA). Centro de Investigaciones Agropecuarias (CIAP); Argentina
Fil: Rago, Alejandro Mario. Universidad Nacional de Río Cuarto. Facultad de Agronomía y Veterinaria; Argentina
Fil: Edwards Molina, Juan Pablo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Balcarce; Argentina
description Peanut smut (Thecaphora frezzii) is one of the most important peanut diseases in Argentinian peanut production. This monocyclic soil-borne pathogen transforms kernels into spore masses. Spore liberation from broken infected pods during the harvest process is supposed to be the main mechanism of inoculum spread, with the subsequent spread among fields increasing the soil inoculum for future peanut cropping seasons. However, we are unaware of any published study on the role of wind (in terms of speed and direction) in how far smut spores spread. Therefore, we conducted an observational study where passive spore traps were distributed at harvest around six fields placed at 100, 200, 300, and 400 m away from each field’s centroid in four cardinal directions. Three time slices were sampled: from the beginning of harvest to 90-, 180-, and 270-minutes continuously during harvest. Wind speed and direction were recorded at each trap. A generalized additive model was fitted to describe the spore spread. Modeling the dispersal shows that the spread is influenced by wind speed and the smut severely damaged pods incidence present at the harvested field. Additionally, spore size and proportion of different smut spore types were assessed (from a single unit spore to a 5-multinuclear propagule). No statistical differences were observed in the proportion of the spore types trapped. However, fewer spores were trapped at distances farther from the harvested area. This work led us to understand a fundamental component of the peanut smut cycle and epidemiology, which is to design management strategies. For example, avoiding harvest on windy days (typically >10 km h-1) to prevent the distant spread of inoculum for subsequent seasons or predicting the risk surrounding an infected field.
publishDate 2024
dc.date.none.fl_str_mv 2024-03-20T10:11:49Z
2024-03-20T10:11:49Z
2024-03-18
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/20.500.12123/17118
https://link.springer.com/article/10.1007/s40858-024-00645-5
1983-2052
https://doi.org/10.1007/s40858-024-00645-5
url http://hdl.handle.net/20.500.12123/17118
https://link.springer.com/article/10.1007/s40858-024-00645-5
https://doi.org/10.1007/s40858-024-00645-5
identifier_str_mv 1983-2052
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repograntAgreement/INTA/2019-PD-E4-I090-001, Análisis de patosistemas en cultivos agrícolas y especies forestales. Caracterización de sus componentes
dc.rights.none.fl_str_mv info:eu-repo/semantics/restrictedAccess
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 restrictedAccess
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 Springer
publisher.none.fl_str_mv Springer
dc.source.none.fl_str_mv Tropical Plant Pathology : 1-13 (Published: 18 March 2024)
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 12.993085

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