Rapid emergency response to yellow rust epidemics caused by newly introduced lineages of Puccinia striiformis f. sp. tritici in Argentina
Yellow rust (YR), caused by Puccinia striiformis f. sp. tritici, is one of the most destructive diseases of wheat worldwide. In 2017, YR emerged in Argentina and spread quickly into three million hectares, causing damage at levels only seen during the severe epidemics during the late 1930s. This wid...
| Autores principales: | , , , , , , , , |
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| Formato: | info:ar-repo/semantics/artículo |
| Lenguaje: | Inglés |
| Publicado: |
Springer
2019
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| Materias: | |
| Acceso en línea: | http://hdl.handle.net/20.500.12123/5800 https://link.springer.com/article/10.1007%2Fs40858-019-00295-y https://doi.org/10.1007/s40858-019-00295-y |
| _version_ | 1855035561465610240 |
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| author | Carmona, Marcelo Anibal Sautua, Francisco José Pérez-Hernández, Oscar Grosso, Carlos Vettorello, Lucas Milanesio, Barbarina Corvi, Eduardo Almada, Gustavo Hovmøller, Mogens Støvring |
| author_browse | Almada, Gustavo Carmona, Marcelo Anibal Corvi, Eduardo Grosso, Carlos Hovmøller, Mogens Støvring Milanesio, Barbarina Pérez-Hernández, Oscar Sautua, Francisco José Vettorello, Lucas |
| author_facet | Carmona, Marcelo Anibal Sautua, Francisco José Pérez-Hernández, Oscar Grosso, Carlos Vettorello, Lucas Milanesio, Barbarina Corvi, Eduardo Almada, Gustavo Hovmøller, Mogens Støvring |
| author_sort | Carmona, Marcelo Anibal |
| collection | INTA Digital |
| description | Yellow rust (YR), caused by Puccinia striiformis f. sp. tritici, is one of the most destructive diseases of wheat worldwide. In 2017, YR emerged in Argentina and spread quickly into three million hectares, causing damage at levels only seen during the severe epidemics during the late 1930s. This widespread occurrence coincided with reports of newly introduced exotic races into the country. Therefore, little was known about actual impact of the disease on yield, reaction of commercial wheat cultivars, efficacy and best timing for fungicide applications. This study addressed these fundamental questions to provide a quick response to the re-emergence of YR in Argentina. Thirty wheat cultivars (short and long cycle) were evaluated for their response to a PstS13 lineage of Puccinia striiformis f.sp. tritici. The efficacy of one or two fungicide applications for controlling YR was also assessed. Disease severity reached about 50% in the untreated plots at early crop growth stages. Disease and yield data analyses showed that one fungicide application provided effective YR control, but two applications further secured a significant relative increase in yield. Grain yield was negatively correlated with disease severity, and losses reached up to 4,700 kg/ha in the untreated control plots for several varieties. We provide new and important information on the control of and potential yield losses by a new exotic race of Puccinia striiformis f.sp. tritici introduced to South America. |
| format | info:ar-repo/semantics/artículo |
| id | INTA5800 |
| institution | Instituto Nacional de Tecnología Agropecuaria (INTA -Argentina) |
| language | Inglés |
| publishDate | 2019 |
| publishDateRange | 2019 |
| publishDateSort | 2019 |
| publisher | Springer |
| publisherStr | Springer |
| record_format | dspace |
| spelling | INTA58002022-06-03T14:37:49Z Rapid emergency response to yellow rust epidemics caused by newly introduced lineages of Puccinia striiformis f. sp. tritici in Argentina Carmona, Marcelo Anibal Sautua, Francisco José Pérez-Hernández, Oscar Grosso, Carlos Vettorello, Lucas Milanesio, Barbarina Corvi, Eduardo Almada, Gustavo Hovmøller, Mogens Støvring Enfermedades de las Plantas Roya Puccinia striiformis Epidemiología Control de Enfermedades Argentina Plant Diseases Rusts Epidemiology Disease Control Roya Amarilla Yellow rust (YR), caused by Puccinia striiformis f. sp. tritici, is one of the most destructive diseases of wheat worldwide. In 2017, YR emerged in Argentina and spread quickly into three million hectares, causing damage at levels only seen during the severe epidemics during the late 1930s. This widespread occurrence coincided with reports of newly introduced exotic races into the country. Therefore, little was known about actual impact of the disease on yield, reaction of commercial wheat cultivars, efficacy and best timing for fungicide applications. This study addressed these fundamental questions to provide a quick response to the re-emergence of YR in Argentina. Thirty wheat cultivars (short and long cycle) were evaluated for their response to a PstS13 lineage of Puccinia striiformis f.sp. tritici. The efficacy of one or two fungicide applications for controlling YR was also assessed. Disease severity reached about 50% in the untreated plots at early crop growth stages. Disease and yield data analyses showed that one fungicide application provided effective YR control, but two applications further secured a significant relative increase in yield. Grain yield was negatively correlated with disease severity, and losses reached up to 4,700 kg/ha in the untreated control plots for several varieties. We provide new and important information on the control of and potential yield losses by a new exotic race of Puccinia striiformis f.sp. tritici introduced to South America. EEA Rafaela Fil: Carmona, Marcelo Anibal. Universidad de Buenos Aires. Facultad de Agronomía. Cátedra de Fitopatología; Argentina Fil: Sautua, Francisco José. Universidad de Buenos Aires. Facultad de Agronomía. Cátedra de Fitopatología; Argentina Fil: Pérez-Hernández, Oscar. University of Central Missouri. Department of Biology and Agriculture; Estados Unidos Fil: Grosso, Carlos. Universidad Nacional del Litoral. Facultad de Ciencias Agrarias; Argentina Fil: Vettorello, Lucas. Universidad Nacional del Litoral. Facultad de Ciencias Agrarias; Argentina Fil: Milanesio, Barbarina. Universidad Nacional del Litoral. Facultad de Ciencias Agrarias; Argentina Fil: Corvi, Eduardo. Kelymar SA (Santa Fé); Argentina Fil: Almada, Gustavo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Rafaela. Agencia De Extensión Rural Carlos Pellegrini; Argentina Fil: Hovmøller, Mogens Støvring. Aarhus University. Department of Agroecology; Dinamarca 2019-09-06T12:22:36Z 2019-09-06T12:22:36Z 2019 info:ar-repo/semantics/artículo info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://hdl.handle.net/20.500.12123/5800 https://link.springer.com/article/10.1007%2Fs40858-019-00295-y 1983-2052 https://doi.org/10.1007/s40858-019-00295-y eng info:eu-repo/semantics/restrictedAccess application/pdf Springer Tropical Plant Pathology 44 (4) : 385–391 (August 2019) |
| spellingShingle | Enfermedades de las Plantas Roya Puccinia striiformis Epidemiología Control de Enfermedades Argentina Plant Diseases Rusts Epidemiology Disease Control Roya Amarilla Carmona, Marcelo Anibal Sautua, Francisco José Pérez-Hernández, Oscar Grosso, Carlos Vettorello, Lucas Milanesio, Barbarina Corvi, Eduardo Almada, Gustavo Hovmøller, Mogens Støvring Rapid emergency response to yellow rust epidemics caused by newly introduced lineages of Puccinia striiformis f. sp. tritici in Argentina |
| title | Rapid emergency response to yellow rust epidemics caused by newly introduced lineages of Puccinia striiformis f. sp. tritici in Argentina |
| title_full | Rapid emergency response to yellow rust epidemics caused by newly introduced lineages of Puccinia striiformis f. sp. tritici in Argentina |
| title_fullStr | Rapid emergency response to yellow rust epidemics caused by newly introduced lineages of Puccinia striiformis f. sp. tritici in Argentina |
| title_full_unstemmed | Rapid emergency response to yellow rust epidemics caused by newly introduced lineages of Puccinia striiformis f. sp. tritici in Argentina |
| title_short | Rapid emergency response to yellow rust epidemics caused by newly introduced lineages of Puccinia striiformis f. sp. tritici in Argentina |
| title_sort | rapid emergency response to yellow rust epidemics caused by newly introduced lineages of puccinia striiformis f sp tritici in argentina |
| topic | Enfermedades de las Plantas Roya Puccinia striiformis Epidemiología Control de Enfermedades Argentina Plant Diseases Rusts Epidemiology Disease Control Roya Amarilla |
| url | http://hdl.handle.net/20.500.12123/5800 https://link.springer.com/article/10.1007%2Fs40858-019-00295-y https://doi.org/10.1007/s40858-019-00295-y |
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