Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do Paraná
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Repositório Institucional da Universidade Estadual de Maringá (RI-UEM) |
Texto Completo: | http://repositorio.uem.br:8080/jspui/handle/1/1364 |
Resumo: | Anthracnose is one of the most important diseases of common bean that is caused by the fungus Colletotrichum lindemuthianum. This pathogen is highly variable, with races occurring at different levels of virulence. Therefore, for an effective breeding program, there is a need to continuously monitor the distribution and variability of the pathogen. The study had as objective to characterize isolates collected in common bean crops in Parana State. Thirty-four isolates C. lindemuthianum were tested on a set of 12 international bean differential cultivars for anthracnose in Phaseolus vulgaris L. Anthracnose disease reactions were rated visually using a severity scale from 1 to 9. Plants with disease reaction scores between 1 and 3 were considered resistant, whereas plants that rated 4-9 were considered susceptible. Twenty-five races were identified: 2, 3, 10, 11, 15, 27, 31, 63, 64, 73, 75, 79, 81, 82, 83, 90, 91, 93, 95, 259, 283, 287, 339, 346 and 351. This was the first report of races 82, 90, 259, 283, 287, 346 and 351 in Parana State; it is worth mentioning that this is the first report of race 3, 15 and 63 in Brazil, demonstrating the high genetic variability of the pathogen and evidencing the importance of monitoring in growing regions. Race 3 presented the highest frequency of occurrence (14.7%), followed by races 2, 64, 91, 95 and 351 (5.9%). Races 64 and 73 presented compatibility reactions only with cultivars of Mesoamerican origin. By other hand, races 3, 10, 27, 31, 75, 79, 81, 82, 91, 93, 259, 283, 287, 346 and 351 showed compatibility reactions with both Andean and Mesoamerican cultivars. All Andean cultivars presented reaction of compatibility with isolates. All isolates were incompatible with PI 207262, TU, AB 136 and G 2333 cultivars. |
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Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do ParanáCharacterization of isolates of Colletotrichum lindemuthianum in common bean from Paraná State, BrazilColletotrichum lindemuthianumRaçasFeijão comumAntracnoseVariabilidade populacionalMonitoriamento de raçasPatógenoParaná (Estado)Brasil.Populational variabilityPathogenRaces monitorParaná (State)Brazil.Ciências AgráriasAgronomiaAnthracnose is one of the most important diseases of common bean that is caused by the fungus Colletotrichum lindemuthianum. This pathogen is highly variable, with races occurring at different levels of virulence. Therefore, for an effective breeding program, there is a need to continuously monitor the distribution and variability of the pathogen. The study had as objective to characterize isolates collected in common bean crops in Parana State. Thirty-four isolates C. lindemuthianum were tested on a set of 12 international bean differential cultivars for anthracnose in Phaseolus vulgaris L. Anthracnose disease reactions were rated visually using a severity scale from 1 to 9. Plants with disease reaction scores between 1 and 3 were considered resistant, whereas plants that rated 4-9 were considered susceptible. Twenty-five races were identified: 2, 3, 10, 11, 15, 27, 31, 63, 64, 73, 75, 79, 81, 82, 83, 90, 91, 93, 95, 259, 283, 287, 339, 346 and 351. This was the first report of races 82, 90, 259, 283, 287, 346 and 351 in Parana State; it is worth mentioning that this is the first report of race 3, 15 and 63 in Brazil, demonstrating the high genetic variability of the pathogen and evidencing the importance of monitoring in growing regions. Race 3 presented the highest frequency of occurrence (14.7%), followed by races 2, 64, 91, 95 and 351 (5.9%). Races 64 and 73 presented compatibility reactions only with cultivars of Mesoamerican origin. By other hand, races 3, 10, 27, 31, 75, 79, 81, 82, 91, 93, 259, 283, 287, 346 and 351 showed compatibility reactions with both Andean and Mesoamerican cultivars. All Andean cultivars presented reaction of compatibility with isolates. All isolates were incompatible with PI 207262, TU, AB 136 and G 2333 cultivars.Antracnose, causada pelo fungo Colletotrichum lindemuthianum é uma das mais importantes doenças do feijão comum. O patógeno é altamente variável, uma vez que as raças ocorrem em diferentes níveis de virulência. Portanto, para que haja eficácia num programa de melhoramento, há necessidade de monitoramento constante da distribuição e variabilidade do patógeno. Este estudo objetivou caracterizar isolados coletados em cultivos de feijão comum no estado do Paraná. Trinta e quatro isolados de C. lindemuthianum foram testados no conjunto de 12 cultivares diferenciadoras para antracnose em Phaseolus vulgaris L. A avaliação visual dos sintomas foi realizada utilizando a escala de severidade com notas de 1 a 9, onde plantas com notas de 1 a 3 foram consideradas resistentes, enquanto plantas com sintomas 4 a 9 foram consideradas suscetíveis. Os resultados obtidos permitiram a identificação de 25 raças: 2, 3, 10, 11, 15, 27, 31, 63, 64, 73, 75, 79, 81, 82, 83, 90, 91, 93, 95, 259, 283, 287, 339, 346 e 351. Este foi o primeiro relato da ocorrência das raças 82, 90, 259, 283, 287, 346 e 351 no estado do Paraná, além do primeiro indício da ocorrência das raças 3, 15 e 63 no Brasil, demonstrando a elevada variabilidade genética do patógeno e evidenciando a importância do monitoramento nas regiões de cultivo. A raça 3 apresentou a maior frequência de ocorrência (14,7%), seguida das raças 2, 64, 91, 95 e 351 com frequência igual a 5,9%. As raças 64 e 73 apresentaram reações de compatibilidade apenas com cultivares de origem Mesoamericana. Contrariamente, as raças 3, 10, 27, 31, 75, 79, 81, 82, 91, 93, 259, 283, 287, 346 e 351 mostraram reações de compatibilidade com ambas cultivares de origem Andina e Mesoamericana. Todas as cultivares Andinas apresentaram reação de compatibilidade com os isolados. Todos os isolados apresentaram-se incompatíveis com as cultivares PI 207262, TU, AB 136 e G 2333.viii, 58 fUniversidade Estadual de MaringáBrasilUEMMaringá, PRPrograma de Pós-Graduação em Genética e MelhoramentoJuliana Parisotto PoletineClaudia TomasellaGiselly Figueiredo LacanalloUchôa, Eldenira Barbosa2018-04-05T16:59:09Z2018-04-05T16:59:09Z2015info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesishttp://repositorio.uem.br:8080/jspui/handle/1/1364porinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da Universidade Estadual de Maringá (RI-UEM)instname:Universidade Estadual de Maringá (UEM)instacron:UEM2018-04-05T16:59:09Zoai:localhost:1/1364Repositório InstitucionalPUBhttp://repositorio.uem.br:8080/oai/requestopendoar:2024-04-23T14:54:17.933496Repositório Institucional da Universidade Estadual de Maringá (RI-UEM) - Universidade Estadual de Maringá (UEM)false |
dc.title.none.fl_str_mv |
Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do Paraná Characterization of isolates of Colletotrichum lindemuthianum in common bean from Paraná State, Brazil |
title |
Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do Paraná |
spellingShingle |
Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do Paraná Uchôa, Eldenira Barbosa Colletotrichum lindemuthianum Raças Feijão comum Antracnose Variabilidade populacional Monitoriamento de raças Patógeno Paraná (Estado) Brasil. Populational variability Pathogen Races monitor Paraná (State) Brazil. Ciências Agrárias Agronomia |
title_short |
Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do Paraná |
title_full |
Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do Paraná |
title_fullStr |
Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do Paraná |
title_full_unstemmed |
Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do Paraná |
title_sort |
Caracterização de isolados de Colletotrichum lindemuthianum em feijão comum no estado do Paraná |
author |
Uchôa, Eldenira Barbosa |
author_facet |
Uchôa, Eldenira Barbosa |
author_role |
author |
dc.contributor.none.fl_str_mv |
Juliana Parisotto Poletine Claudia Tomasella Giselly Figueiredo Lacanallo |
dc.contributor.author.fl_str_mv |
Uchôa, Eldenira Barbosa |
dc.subject.por.fl_str_mv |
Colletotrichum lindemuthianum Raças Feijão comum Antracnose Variabilidade populacional Monitoriamento de raças Patógeno Paraná (Estado) Brasil. Populational variability Pathogen Races monitor Paraná (State) Brazil. Ciências Agrárias Agronomia |
topic |
Colletotrichum lindemuthianum Raças Feijão comum Antracnose Variabilidade populacional Monitoriamento de raças Patógeno Paraná (Estado) Brasil. Populational variability Pathogen Races monitor Paraná (State) Brazil. Ciências Agrárias Agronomia |
description |
Anthracnose is one of the most important diseases of common bean that is caused by the fungus Colletotrichum lindemuthianum. This pathogen is highly variable, with races occurring at different levels of virulence. Therefore, for an effective breeding program, there is a need to continuously monitor the distribution and variability of the pathogen. The study had as objective to characterize isolates collected in common bean crops in Parana State. Thirty-four isolates C. lindemuthianum were tested on a set of 12 international bean differential cultivars for anthracnose in Phaseolus vulgaris L. Anthracnose disease reactions were rated visually using a severity scale from 1 to 9. Plants with disease reaction scores between 1 and 3 were considered resistant, whereas plants that rated 4-9 were considered susceptible. Twenty-five races were identified: 2, 3, 10, 11, 15, 27, 31, 63, 64, 73, 75, 79, 81, 82, 83, 90, 91, 93, 95, 259, 283, 287, 339, 346 and 351. This was the first report of races 82, 90, 259, 283, 287, 346 and 351 in Parana State; it is worth mentioning that this is the first report of race 3, 15 and 63 in Brazil, demonstrating the high genetic variability of the pathogen and evidencing the importance of monitoring in growing regions. Race 3 presented the highest frequency of occurrence (14.7%), followed by races 2, 64, 91, 95 and 351 (5.9%). Races 64 and 73 presented compatibility reactions only with cultivars of Mesoamerican origin. By other hand, races 3, 10, 27, 31, 75, 79, 81, 82, 91, 93, 259, 283, 287, 346 and 351 showed compatibility reactions with both Andean and Mesoamerican cultivars. All Andean cultivars presented reaction of compatibility with isolates. All isolates were incompatible with PI 207262, TU, AB 136 and G 2333 cultivars. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015 2018-04-05T16:59:09Z 2018-04-05T16:59:09Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://repositorio.uem.br:8080/jspui/handle/1/1364 |
url |
http://repositorio.uem.br:8080/jspui/handle/1/1364 |
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por |
language |
por |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.publisher.none.fl_str_mv |
Universidade Estadual de Maringá Brasil UEM Maringá, PR Programa de Pós-Graduação em Genética e Melhoramento |
publisher.none.fl_str_mv |
Universidade Estadual de Maringá Brasil UEM Maringá, PR Programa de Pós-Graduação em Genética e Melhoramento |
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reponame:Repositório Institucional da Universidade Estadual de Maringá (RI-UEM) instname:Universidade Estadual de Maringá (UEM) instacron:UEM |
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Universidade Estadual de Maringá (UEM) |
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UEM |
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Repositório Institucional da Universidade Estadual de Maringá (RI-UEM) |
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Repositório Institucional da Universidade Estadual de Maringá (RI-UEM) |
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Repositório Institucional da Universidade Estadual de Maringá (RI-UEM) - Universidade Estadual de Maringá (UEM) |
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