Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regions
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1007/s10658-020-02154-y http://hdl.handle.net/11449/205491 |
Resumo: | Lettuce downy mildew caused by Bremia lactucae is one of the main diseases in high humidity and low temperature conditions. The identification of virulence factors appearing in the pathogen population could help improve breeding programs against this disease. This study aimed to monitor and evaluate virulence dynamic changes in B. lactucae virulence among two Brazilian regions to recommend resistance genes for breeding programs. Isolates from São Paulo, Rio Grande do Sul, and Paraná states were assessed using the sextet code EU-C composed by 16 Lactuca spp. genotypes, between 2015 and 2016. To understand the population dynamics, the frequencies of virulence phenotypes and factors and the virulence complexity per isolate (Ci), phenotype (Cp), and Gleason (Ig), indexes were calculated. B. lactucae virulence from Paraná, Rio Grande do Sul and São Paulo were similar and shared nine out of the 15 evaluated virulence factors. In total, 90 isolates were analyzed, and 27 virulence phenotypes were found. The most frequent sextet codes were 31–00-00, 31–00-02, 31–01-00, and 31–01-02. The genes or resistance factors present in ‘Argelès’ (Dm38), ‘Balesta’, and ‘Bartoli’ could be used as sources of resistance by Brazilian lettuce breeders. |
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Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regionsBremia lactucaeLactuca sativaLettuce breedingRace determinationRace-specific resistanceResistance genesLettuce downy mildew caused by Bremia lactucae is one of the main diseases in high humidity and low temperature conditions. The identification of virulence factors appearing in the pathogen population could help improve breeding programs against this disease. This study aimed to monitor and evaluate virulence dynamic changes in B. lactucae virulence among two Brazilian regions to recommend resistance genes for breeding programs. Isolates from São Paulo, Rio Grande do Sul, and Paraná states were assessed using the sextet code EU-C composed by 16 Lactuca spp. genotypes, between 2015 and 2016. To understand the population dynamics, the frequencies of virulence phenotypes and factors and the virulence complexity per isolate (Ci), phenotype (Cp), and Gleason (Ig), indexes were calculated. B. lactucae virulence from Paraná, Rio Grande do Sul and São Paulo were similar and shared nine out of the 15 evaluated virulence factors. In total, 90 isolates were analyzed, and 27 virulence phenotypes were found. The most frequent sextet codes were 31–00-00, 31–00-02, 31–01-00, and 31–01-02. The genes or resistance factors present in ‘Argelès’ (Dm38), ‘Balesta’, and ‘Bartoli’ could be used as sources of resistance by Brazilian lettuce breeders.Department of Crop Production School of Agricultural and Veterinarian Sciences UNESP- São Paulo State University (Unesp)Gulf Coast Research and Education Center University of FloridaDepartment of Plant Pathology School of Agricultural and Veterinarian UNESP- São Paulo State University (Unesp)Department of Crop Production School of Agricultural and Veterinarian Sciences UNESP- São Paulo State University (Unesp)Department of Plant Pathology School of Agricultural and Veterinarian UNESP- São Paulo State University (Unesp)Universidade Estadual Paulista (Unesp)University of FloridaFranco, C. A. [UNESP]Marin, M. V.Silva, E. H.C. [UNESP]Soares, R. S. [UNESP]Candido, W. S. [UNESP]Souza, L. N. [UNESP]Caprio, C. H. [UNESP]Vidal, R. L. [UNESP]Panizzi, R. C. [UNESP]Braz, L. T. [UNESP]2021-06-25T10:16:14Z2021-06-25T10:16:14Z2021-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article179-189http://dx.doi.org/10.1007/s10658-020-02154-yEuropean Journal of Plant Pathology, v. 159, n. 1, p. 179-189, 2021.1573-84690929-1873http://hdl.handle.net/11449/20549110.1007/s10658-020-02154-y2-s2.0-85096368751Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengEuropean Journal of Plant Pathologyinfo:eu-repo/semantics/openAccess2021-10-23T14:40:29Zoai:repositorio.unesp.br:11449/205491Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462021-10-23T14:40:29Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regions |
title |
Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regions |
spellingShingle |
Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regions Franco, C. A. [UNESP] Bremia lactucae Lactuca sativa Lettuce breeding Race determination Race-specific resistance Resistance genes |
title_short |
Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regions |
title_full |
Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regions |
title_fullStr |
Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regions |
title_full_unstemmed |
Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regions |
title_sort |
Monitoring virulence of Bremia lactucae as a breeding tool against lettuce downy mildew from south and southwest Brazilian regions |
author |
Franco, C. A. [UNESP] |
author_facet |
Franco, C. A. [UNESP] Marin, M. V. Silva, E. H.C. [UNESP] Soares, R. S. [UNESP] Candido, W. S. [UNESP] Souza, L. N. [UNESP] Caprio, C. H. [UNESP] Vidal, R. L. [UNESP] Panizzi, R. C. [UNESP] Braz, L. T. [UNESP] |
author_role |
author |
author2 |
Marin, M. V. Silva, E. H.C. [UNESP] Soares, R. S. [UNESP] Candido, W. S. [UNESP] Souza, L. N. [UNESP] Caprio, C. H. [UNESP] Vidal, R. L. [UNESP] Panizzi, R. C. [UNESP] Braz, L. T. [UNESP] |
author2_role |
author author author author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (Unesp) University of Florida |
dc.contributor.author.fl_str_mv |
Franco, C. A. [UNESP] Marin, M. V. Silva, E. H.C. [UNESP] Soares, R. S. [UNESP] Candido, W. S. [UNESP] Souza, L. N. [UNESP] Caprio, C. H. [UNESP] Vidal, R. L. [UNESP] Panizzi, R. C. [UNESP] Braz, L. T. [UNESP] |
dc.subject.por.fl_str_mv |
Bremia lactucae Lactuca sativa Lettuce breeding Race determination Race-specific resistance Resistance genes |
topic |
Bremia lactucae Lactuca sativa Lettuce breeding Race determination Race-specific resistance Resistance genes |
description |
Lettuce downy mildew caused by Bremia lactucae is one of the main diseases in high humidity and low temperature conditions. The identification of virulence factors appearing in the pathogen population could help improve breeding programs against this disease. This study aimed to monitor and evaluate virulence dynamic changes in B. lactucae virulence among two Brazilian regions to recommend resistance genes for breeding programs. Isolates from São Paulo, Rio Grande do Sul, and Paraná states were assessed using the sextet code EU-C composed by 16 Lactuca spp. genotypes, between 2015 and 2016. To understand the population dynamics, the frequencies of virulence phenotypes and factors and the virulence complexity per isolate (Ci), phenotype (Cp), and Gleason (Ig), indexes were calculated. B. lactucae virulence from Paraná, Rio Grande do Sul and São Paulo were similar and shared nine out of the 15 evaluated virulence factors. In total, 90 isolates were analyzed, and 27 virulence phenotypes were found. The most frequent sextet codes were 31–00-00, 31–00-02, 31–01-00, and 31–01-02. The genes or resistance factors present in ‘Argelès’ (Dm38), ‘Balesta’, and ‘Bartoli’ could be used as sources of resistance by Brazilian lettuce breeders. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-06-25T10:16:14Z 2021-06-25T10:16:14Z 2021-01-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1007/s10658-020-02154-y European Journal of Plant Pathology, v. 159, n. 1, p. 179-189, 2021. 1573-8469 0929-1873 http://hdl.handle.net/11449/205491 10.1007/s10658-020-02154-y 2-s2.0-85096368751 |
url |
http://dx.doi.org/10.1007/s10658-020-02154-y http://hdl.handle.net/11449/205491 |
identifier_str_mv |
European Journal of Plant Pathology, v. 159, n. 1, p. 179-189, 2021. 1573-8469 0929-1873 10.1007/s10658-020-02154-y 2-s2.0-85096368751 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
European Journal of Plant Pathology |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
179-189 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1799965052313272320 |