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| 42. |  | SPOLTI, P.; VALDEBENITO-SANHUZA, R. M.; GLEASON, M. L.; DEL PONTE, E. M. Sooty blotch and flyspeck control with fungicide applications based on calendar, local IPM, and warning system. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 46, n. 7, p. 697-705, jun. 2011 Título em português: Controle de fuligem e sujeira?de?mosca com aplicações de fungicidas baseadas em calendário, MIP local e sistema de alerta| Biblioteca(s): Embrapa Unidades Centrais. |
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| 47. | | FERNANDES, J. M. C.; DEL PONTE, E. M.; PAVAN, W.; CUNHA, G. R. Web-based system to true-forecast disease epidemics. I. Fusarium head blight of wheat. In: BUCK, H. T.; NISI, J. E.; SALOMÓN, N. (Ed.). Wheat production in stressed environments. Dordrecht: Springer, 2007. p. 259-264. (Developments in Plant Breeding, 12). Proceedings of the 7th International Wheat Conference, held November 27 - December 2, 2005, in Mar Del Plata, Argentina.| Biblioteca(s): Embrapa Trigo. |
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| 48. | | GODOY, C. V.; DEL PONTE, E. M.; COSTAMILAN, L. M.; KATO, M.; YORINORI, J. T.; NUNES JUNIOR, J. Epidemiological studies on asian rust in South America: relationship between disease variables and weather. In: KUDO, H.; SUENAGA, K.; SOARES, R. M.; TOLEDO, A. (Ed.). Facing the challenge of soybean rust in South America. Tsukuba: JIRCAS; Londrina: Embrapa Soybean, 2008. p. 41-48. (JIRCAS Working Report, 58).| Biblioteca(s): Embrapa Soja; Embrapa Trigo. |
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| 49. | | DALLA LANA, F.; ZIEGELMANN, P. K.; MAIA, A. de H. N.; GODOY, C. V.; DEL PONTE, E. M. Meta-analysis of the relationship between crop yield and soybean rust severity. Phytopathology, St Paul, v. 105, n. 3, p. 307-315, 2015.| Biblioteca(s): Embrapa Meio Ambiente. |
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| 50. | | FRANCESCHI, V. T.; ALVES, K. S.; MAZARO, S. M.; GODOY, C. V.; DUARTE, H. S. S.; DEL PONTE, E. M. A new standard area diagram set for assessment of severity of soybean rust improves accuracy of estimates and optimizes resource use. Plant Pathology, v. 60, n. 3, p. 495-505, 2020.| Biblioteca(s): Embrapa Soja. |
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| 51. | | MEGETO, G. A. S.; OLIVEIRA, S. R. de M.; DEL PONTE, E. M.; MEIRA, C. A. A. Árvore de decisão para classificação de ocorrências de ferrugem asiática em lavouras comerciais com base em variáveis meteorológicas. Engenharia Agrícola, Jaboticabal, v, 34, n. 3, p. 590-599, maio/jun. 2014| Biblioteca(s): Embrapa Agricultura Digital. |
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| 52. | | MAIA, A. de H. N.; SANTOS, T. V. dos; PAVAN, W.; FERNANDES, J. M. C.; DEL PONTE, E. M. Avaliação probabilística do risco de giberela do trigo considerando a influencia do ENOS. In: CONGRESSO BRASILEIRO DE AGROMETEOROLOGIA, 16., 2009, Belo Horizonte. Mudanças climáticas, recursos hídricos e energia para uma agricultura sustentável. Belo Horizonte: SBA: UFV: CNPMS, 2009. 1 CD-ROM. 5 p.| Biblioteca(s): Embrapa Meio Ambiente; Embrapa Trigo. |
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| 53. | | FARIAS, C. R. J. de; ROSA, A. P. S. A. da; PIEROBOM, C. R.; DEL PONTE, E. M. Levantamento regional e identificação de Bipolaris spp. associadas às sementes de arroz no Estado do Rio Grande do Sul, Brasil. Ciência Rural, Santa Maria, v. 41, n. 3, p. 369-372, mar. 2011.| Biblioteca(s): Embrapa Clima Temperado. |
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| 55. | | TIECKER JUNIOR, A.; GUIMARÃES, L. E.; FERRARI FILHO, E.; CASTRO, B. de; Del PONTE, E. M.; DIONELLO, R. G. Qualidade físico-química de grãos de milho armazenados com diferentes umidades em ambientes hermético e não hermético. Revista Brasileira de Milho e Sorgo, Sete Lagoas, v. 13, n. 2, p. 174-186, 2014.| Biblioteca(s): Embrapa Milho e Sorgo. |
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| 56. | | D'ÁVILA, L. S.; LEHNER, M. S.; FILIPPI, M. C. C.; SCHEUERMANN, K. K.; DEL PONTE, E. M. Genetic structure and mating type analysis of the Pyricularia oryzae population causing widespread epidemics in southern Brazil. Tropical Plant Pathology, Brasília, DF, v. 41, n. 6, p. 297-305, Oct. 2016.| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 57. | | BOCK, C. H.; PETHYBRIDGE, S. J.; BARBEDO, J. G. A.; ESKER, P. D.; MAHLEIN, A. K.; DEL PONTE, E. M. A phytopathometry glossary for the twenty-first century: towards consistency and precision in intra- and inter-disciplinary dialogues. Tropical Plant Pathology, v. 47, n. 1, p. 14-24, Feb. 2022.| Biblioteca(s): Embrapa Agricultura Digital. |
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| 58. | | CHEVARRIA, V. V.; JAHNKE, S. M.; DEL PONTE, E. M.; MAIA, A. de H. N.; REDAELLI, L. R. Simulação da ocorrência de Euschistus heros (F.) (Heteroptera: pentatomidae) em soja, com base na exigência térmica, nas safras 2008/2009 e 2009/2010 em três municípios do Brasil. In: CONGRESSO BRASILEIRO DE ENTOMOLOGIA, 23., 2010, Natal. Anais... Natal: Sociedade Brasileira de Entomologia, 2010. 1 CD-ROM. (Pôster P1854).| Biblioteca(s): Embrapa Meio Ambiente. |
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| 59. | | SPOLTI, P.; SANTOS, T. V.; DEL PONTE, E. M.; SEIXAS, C. D. S.; SOARES, R. M.; GODOY, C. V. Sumário da dispersão da ferrugem da soja no Brasil: análise dos dados do consórcio antiferrugem 2004-2009. Tropical Plant Pathology, Brasília, DF, v. 34, p. S129, ago. 2009. Suplemento, ref. 466. Edição dos Resumos do XLII Congresso Brasileiro de Fitopatologia; Annual Meeting of the Brazilian Phytopathological Society, Rio de Janeiro, ago. 2009.| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 92 | |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
08/09/2016 |
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Data da última atualização: |
27/04/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
D'ÁVILA, L. S.; LEHNER, M. S.; FILIPPI, M. C. C.; SCHEUERMANN, K. K.; DEL PONTE, E. M. |
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Afiliação: |
LEILANE S. D'AVILA, UNIVERSIDADE FEDERAL DO RIO GRANDE DO SUL, Porto Alegre-RS; MILLER S. LEHNER, UNIVERSIDADE FEDERAL DE VIÇOSA; MARTA CRISTINA CORSI DE FILIPPI, CNPAF; KLAUS K. SCHEUERMANN, EPAGRI; EMERSON M. DEL PONTE, UNIVERSIDADE FEDERAL DE VIÇOSA. |
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Título: |
Genetic structure and mating type analysis of the Pyricularia oryzae population causing widespread epidemics in southern Brazil. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Tropical Plant Pathology, Brasília, DF, v. 41, n. 6, p. 297-305, Oct. 2016. |
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DOI: |
10.1007/s40858-016-0101-9 |
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Idioma: |
Inglês |
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Conteúdo: |
Blast is a major disease of rice in Brazil, the largest rice-producing country outside Asia. This study aimed to assess the genetic structure and mating-type frequency in a contemporary Pyricularia oryzae population, which caused widespread epidemics during the 2012/13 season in the Brazilian lowland subtropical region. Symptomatic leaves and panicles were sampled at flooded rice fields in the states of Rio Grande do Sul (RS, 34 fields) and Santa Catarina (SC, 21 fields). The polymorphism at ten simple sequence repeats (SSR or microsatellite) loci and the presence of MAT1-1 or MAT1-2 idiomorphs were assessed in a population comprised of 187 isolates. Only the MAT1-2 idiomorph was found and 162 genotypes were identified by the SSR analysis. A discriminant analysis of principal components (DAPC) of SSR data resolved four genetic groups, which were strongly associated with the cultivar of origin of the isolates. There was high level of genotypic diversity and moderate level of gene diversity regardless whether isolates were grouped in subpopulations based on geographic region, cultivar host or cultivar within region. While regional subpopulations were weakly differentiated, high genetic differentiation was found among subpopulations comprised of isolates from different cultivars. The data suggest that the rice blast pathogen population in southern Brazil is comprised of clonal lineages that are adapting to specific cultivar hosts. Farmers should avoid the use of susceptible cultivars over large areas and breeders should focus at enlarging the genetic basis of new cultivars. MenosBlast is a major disease of rice in Brazil, the largest rice-producing country outside Asia. This study aimed to assess the genetic structure and mating-type frequency in a contemporary Pyricularia oryzae population, which caused widespread epidemics during the 2012/13 season in the Brazilian lowland subtropical region. Symptomatic leaves and panicles were sampled at flooded rice fields in the states of Rio Grande do Sul (RS, 34 fields) and Santa Catarina (SC, 21 fields). The polymorphism at ten simple sequence repeats (SSR or microsatellite) loci and the presence of MAT1-1 or MAT1-2 idiomorphs were assessed in a population comprised of 187 isolates. Only the MAT1-2 idiomorph was found and 162 genotypes were identified by the SSR analysis. A discriminant analysis of principal components (DAPC) of SSR data resolved four genetic groups, which were strongly associated with the cultivar of origin of the isolates. There was high level of genotypic diversity and moderate level of gene diversity regardless whether isolates were grouped in subpopulations based on geographic region, cultivar host or cultivar within region. While regional subpopulations were weakly differentiated, high genetic differentiation was found among subpopulations comprised of isolates from different cultivars. The data suggest that the rice blast pathogen population in southern Brazil is comprised of clonal lineages that are adapting to specific cultivar hosts. Farmers should avoid the use of susceptible cul... Mostrar Tudo |
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Palavras-Chave: |
Microsatelite. |
|
Thesagro: |
Arroz; Brusone; Doença de planta; Fungo; Oryza sativa; Pyricularia oryzae. |
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Thesaurus NAL: |
Blast disease; Magnaporthe oryzae; Microsatellite repeats; Population structure. |
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Categoria do assunto: |
H Saúde e Patologia |
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Marc: |
LEADER 02566naa a2200313 a 4500
001 2052551
005 2020-04-27
008 2016 bl uuuu u00u1 u #d
024 7 $a10.1007/s40858-016-0101-9$2DOI
100 1 $aD'ÁVILA, L. S.
245 $aGenetic structure and mating type analysis of the Pyricularia oryzae population causing widespread epidemics in southern Brazil.$h[electronic resource]
260 $c2016
520 $aBlast is a major disease of rice in Brazil, the largest rice-producing country outside Asia. This study aimed to assess the genetic structure and mating-type frequency in a contemporary Pyricularia oryzae population, which caused widespread epidemics during the 2012/13 season in the Brazilian lowland subtropical region. Symptomatic leaves and panicles were sampled at flooded rice fields in the states of Rio Grande do Sul (RS, 34 fields) and Santa Catarina (SC, 21 fields). The polymorphism at ten simple sequence repeats (SSR or microsatellite) loci and the presence of MAT1-1 or MAT1-2 idiomorphs were assessed in a population comprised of 187 isolates. Only the MAT1-2 idiomorph was found and 162 genotypes were identified by the SSR analysis. A discriminant analysis of principal components (DAPC) of SSR data resolved four genetic groups, which were strongly associated with the cultivar of origin of the isolates. There was high level of genotypic diversity and moderate level of gene diversity regardless whether isolates were grouped in subpopulations based on geographic region, cultivar host or cultivar within region. While regional subpopulations were weakly differentiated, high genetic differentiation was found among subpopulations comprised of isolates from different cultivars. The data suggest that the rice blast pathogen population in southern Brazil is comprised of clonal lineages that are adapting to specific cultivar hosts. Farmers should avoid the use of susceptible cultivars over large areas and breeders should focus at enlarging the genetic basis of new cultivars.
650 $aBlast disease
650 $aMagnaporthe oryzae
650 $aMicrosatellite repeats
650 $aPopulation structure
650 $aArroz
650 $aBrusone
650 $aDoença de planta
650 $aFungo
650 $aOryza sativa
650 $aPyricularia oryzae
653 $aMicrosatelite
700 1 $aLEHNER, M. S.
700 1 $aFILIPPI, M. C. C.
700 1 $aSCHEUERMANN, K. K.
700 1 $aDEL PONTE, E. M.
773 $tTropical Plant Pathology, Brasília, DF$gv. 41, n. 6, p. 297-305, Oct. 2016.
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