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| Registros recuperados : 27 | |
| 7. |  | LEMOS, N. G.; BRACCINI, A. de L.; ABDELNOOR, R. V.; SUENAGA, K.; YAMANAKA, N. Análise da resistência genética de linhagens de soja contendo genes de resistência para a ferrugem asiática piramidados. In: CONGRESO DE LA SOJA DEL MERCOSUR, 5.; FORO DE LA SOJA ASIA, 1., 2011, Rosário. Un grano: un universo. [Rosário: Asociación de la Cadena de la Soja Argentina], 2011. 4 p. 1 CD-ROM. MERCOSOJA 2011.| Biblioteca(s): Embrapa Soja. |
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| 9. | | SOARES, R. M.; AKAMATSU, H. O.; YAMANAKA, N.; YAMAOKA, Y.; SUENAGA, K. Pathogenicity of soybean rust populations in Brazil 4 cropping seasons 2007 - 2011. CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 45., 2012, Manaus. [Anais...]. Tropical Plant Pathology, Brasília, DF, v. 37, Aug. 2012. Suplemento. Trab. 358, Micologia. 1 CD-ROM. Fito 2012.| Biblioteca(s): Embrapa Soja. |
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| 12. | | LEMOS, N. G.; LUCCA e BRACCINI, A. de; ABDELNOOR, R. V.; OLIVEIRA, M. C. N. de; SUENAGA, K.; YAMANAKA, N. Characterization of genes Rpp2, Rpp4, and Rpp5 for resistance to soybean rust. Euphytica, Wageningen, v. 182, n. 1, p. 53-64, 2011.| Biblioteca(s): Embrapa Soja. |
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| 13. | | LEMOS, N. G.; BRACCINI, A. de L. e; ABDELNOOR, R. V.; NEVES, M. C.; SUENAGA, K.; YAMANAKA, N. Characterization of genes Rpp2, and Rpp5 conferring resistance to soybean rust. In: AKAMATSU, H.; YAMANAKA, N.; SUENAGA, K. (Ed.). Identification of Stable Resistance to Soybean Rust for South America. Tsukuba: JIRCAS, 2014. (JIRCAS Working Report, 81). p. 79-87.| Biblioteca(s): Embrapa Soja. |
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| 14. | | YAMANAKA, N.; LEMOS, N. G.; UNO, M.; AKAMATSU, H.; YAMAOKA, Y.; ABDELNOOR, R. V.; BRACCINI, A. L. e; SUENAGA, K. Resistance to Asian Soybean Rust in soybean lines with the pyramided three Rpp genes. Crop Breeding and Applied Biotechnology, Viçosa, v. 13, n. 1, p. 75-82, Mar. 2013.| Biblioteca(s): Embrapa Soja. |
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| 15. | | SOARES, R. M.; AKAMATSU, H.; YAMANAKA, N.; SUENAGA, K.; YAMAOKA, Y.; IVANCOVICH, A.; MOREL, W.; JANEGITZ, T. Variabilidade patogênica do fungo Phakopsora pachyrhizi. parte I - projeto Ferrugem da soja JIRCAS/Embrapa Soja/CRIA/INTA/Tsukuba University. In: REUNIÃO DO CONSÓRCIO ANTIFERRUGEM SAFRA 2008-09, 2009, Londrina. Resumos... Londrina: Embrapa Soja, 2009. p. 93-101. (Embrapa Soja. Documentos, 315). Editado por Claudia Vieira Godoy, Claudine Dinali Santos Seixas, Rafael Moreira Soares.| Biblioteca(s): Embrapa Soja. |
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| 16. | | EBINA, M.; VALLE, C. B. do; SUENAGA, K.; AKASHI, R.; CHIARI, L.; LEGUIZAMON, G. O. de C.; SHIMODA, K.; OSHIO, S.; KOUKI, K.; NAKAGAWA, H. Preliminary development of AFLP markers co-segregated with apomixis in Brachiaria spp. In: INTERNATIONAL SYMPOSIUM ON THE MOLECULAR BREEDING OF FORAGE AND TURF, 5., 2007, Hokkaido. Program and abstracts. Hokaido: Hokkaido University, 2007. p. 124 CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 17. | | YAMANAKA, N.; LEMOS, N. G.; AKAMATSU, H.; YAMAOKA, Y.; SILVA, D. C. G.; PASSIANOTTO, A. L. de L.; ABDELNOOR, R. V.; SOARES, R. M.; SUENAGA, K. Soybean breeding materials useful for resistance to soybean rust in Brazil. Japan Agricultural Research Quarterly, Tsukuba, v. 45, n. 4, p. 385-395, 2011.| Biblioteca(s): Embrapa Soja. |
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| 18. | | YAMANAKA, N.; LEMOS, N. G.; UNO, M.; AKAMATSU, H.; YAMAOKA, Y.; ABDELNOOR, R. V.; BRACCINI, A. de L. e; SUENAGA, K. Resistence to asian soybean rust in soybean lines carrying Rpp2, Rpp4, and Rpp 5. In: AKAMATSU, H.; YAMANAKA, N.; SUENAGA, K. (Ed.). Identification of Stable Resistance to Soybean Rust for South America. Tsukuba: JIRCAS, 2014. (JIRCAS Working Report, 81). p. 88-95.| Biblioteca(s): Embrapa Soja. |
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| 19. | | HOSSAIN, M. M.; AKAMATSU, H.; MORISHITA, M.; MORI, T.; YAMAOKA, Y.; SUENAGA, K.; SOARES, R. M.; BOGADO, A. N.; IVANCOVICH, A. J. G.; YAMANAKA, N. Molecular mapping of Asian soybean rust resistance in soybean landraces PI 594767A, PI 587905 and PI 416764. Plant Pathology, London, v. 64, n. 1, p. 147-156, 2015.| Biblioteca(s): Embrapa Soja. |
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| 20. | | AKAMATSU, H.; YAMANAKA, N.; YAMAOKA, Y.; SOARES, R. M.; MOREL, W.; IVANCOVICH, A. J. G.; BOGADO, A. N.; KATO, M.; YORINORI, J. T.; SUENAGA, K. Pathogenic diversity of soybean rust in Argentina, Brazil, and Paraguay. Journal of General Plant Pathology, v. 79, n. 1, p. 28-40, Jan. 2013.| Biblioteca(s): Embrapa Soja. |
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| Registros recuperados : 27 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
21/09/2012 |
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Data da última atualização: |
21/09/2012 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SOARES, R. M.; AKAMATSU, H. O.; YAMANAKA, N.; YAMAOKA, Y.; SUENAGA, K. |
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Afiliação: |
RAFAEL MOREIRA SOARES, CNPSO; HAJIME O. AKAMATSU, JIRCAS; NAOKI YAMANAKA, JIRCAS; YUICHI YAMAOKA, University of Tsukuba; KAZUHIRO SUENAGA, JIRCAS. |
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Título: |
Pathogenicity of soybean rust populations in Brazil 4 cropping seasons 2007 - 2011. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
CONGRESSO BRASILEIRO DE FITOPATOLOGIA, 45., 2012, Manaus. [Anais...]. Tropical Plant Pathology, Brasília, DF, v. 37, Aug. 2012. Suplemento. Trab. 358, Micologia. 1 CD-ROM. Fito 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
Soybean rust caused by Phakopsora pachyrhizi is one of the most serious threats to soybean production in Brazil. In this study, we evaluated pathogenicity of the 7 rust samples collected in Brazil in the 2010/11 season based on infection types produced on 16 differential varieties, and compared them with those in 3 seasons of 2007/08?2009/10. When the data were classified into 3 categories: susceptible, intermediate, and resistant, none of the 7 samples from the 2010/11 season showed identical pathogenicity profile in the differentials. Cluster analysis and principal coordinate analysis revealed that 31 rust samples from the 4 seasons vary geographically and temporally in pathogenicity. The cluster analysis divided the 31 samples into 2 groups (A and B), and the 7 samples from the 2010/11 season were scattered throughout in both groups. The frequencies of susceptible reaction produced in differentials 3?6, 9, 10, and 12 were significantly higher for group A than for group B. The differentials containing resistance genes Rpp1, Rpp2, Rpp3 and Rpp4, except for PI 587880A, displayed resistant reaction to only <13%, <39%, 23%, and 38% of Brazilian rust populations, respectively. In contrast, PI 587880A (Rpp1), Shiranui (Rpp5), and 3 Rpp-unknown differentials PI 587855, PI 587905, and PI 594767A, showed resistant reaction to 74%?96% of the populations. This study demonstrated that (i) pathogenicity of P. pachyrhizi populations was diverse in Brazil in the 4 seasons, (ii) Brazilian populations of group A were more virulent than those of group B, and (iii) 5 differentials have been effective against recent pathogen populations in the country. MenosSoybean rust caused by Phakopsora pachyrhizi is one of the most serious threats to soybean production in Brazil. In this study, we evaluated pathogenicity of the 7 rust samples collected in Brazil in the 2010/11 season based on infection types produced on 16 differential varieties, and compared them with those in 3 seasons of 2007/08?2009/10. When the data were classified into 3 categories: susceptible, intermediate, and resistant, none of the 7 samples from the 2010/11 season showed identical pathogenicity profile in the differentials. Cluster analysis and principal coordinate analysis revealed that 31 rust samples from the 4 seasons vary geographically and temporally in pathogenicity. The cluster analysis divided the 31 samples into 2 groups (A and B), and the 7 samples from the 2010/11 season were scattered throughout in both groups. The frequencies of susceptible reaction produced in differentials 3?6, 9, 10, and 12 were significantly higher for group A than for group B. The differentials containing resistance genes Rpp1, Rpp2, Rpp3 and Rpp4, except for PI 587880A, displayed resistant reaction to only <13%, <39%, 23%, and 38% of Brazilian rust populations, respectively. In contrast, PI 587880A (Rpp1), Shiranui (Rpp5), and 3 Rpp-unknown differentials PI 587855, PI 587905, and PI 594767A, showed resistant reaction to 74%?96% of the populations. This study demonstrated that (i) pathogenicity of P. pachyrhizi populations was diverse in Brazil in the 4 seasons, (ii) Brazilian... Mostrar Tudo |
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Palavras-Chave: |
Fitopatologia. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/66621/1/patogenicity.fito2012.rafael.pdf
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Marc: |
LEADER 02311nam a2200169 a 4500
001 1934265
005 2012-09-21
008 2012 bl uuuu u00u1 u #d
100 1 $aSOARES, R. M.
245 $aPathogenicity of soybean rust populations in Brazil 4 cropping seasons 2007 - 2011.$h[electronic resource]
260 $aCONGRESSO BRASILEIRO DE FITOPATOLOGIA, 45., 2012, Manaus. [Anais...]. Tropical Plant Pathology, Brasília, DF, v. 37, Aug. 2012. Suplemento. Trab. 358, Micologia. 1 CD-ROM. Fito 2012.$c2012
520 $aSoybean rust caused by Phakopsora pachyrhizi is one of the most serious threats to soybean production in Brazil. In this study, we evaluated pathogenicity of the 7 rust samples collected in Brazil in the 2010/11 season based on infection types produced on 16 differential varieties, and compared them with those in 3 seasons of 2007/08?2009/10. When the data were classified into 3 categories: susceptible, intermediate, and resistant, none of the 7 samples from the 2010/11 season showed identical pathogenicity profile in the differentials. Cluster analysis and principal coordinate analysis revealed that 31 rust samples from the 4 seasons vary geographically and temporally in pathogenicity. The cluster analysis divided the 31 samples into 2 groups (A and B), and the 7 samples from the 2010/11 season were scattered throughout in both groups. The frequencies of susceptible reaction produced in differentials 3?6, 9, 10, and 12 were significantly higher for group A than for group B. The differentials containing resistance genes Rpp1, Rpp2, Rpp3 and Rpp4, except for PI 587880A, displayed resistant reaction to only <13%, <39%, 23%, and 38% of Brazilian rust populations, respectively. In contrast, PI 587880A (Rpp1), Shiranui (Rpp5), and 3 Rpp-unknown differentials PI 587855, PI 587905, and PI 594767A, showed resistant reaction to 74%?96% of the populations. This study demonstrated that (i) pathogenicity of P. pachyrhizi populations was diverse in Brazil in the 4 seasons, (ii) Brazilian populations of group A were more virulent than those of group B, and (iii) 5 differentials have been effective against recent pathogen populations in the country.
653 $aFitopatologia
700 1 $aAKAMATSU, H. O.
700 1 $aYAMANAKA, N.
700 1 $aYAMAOKA, Y.
700 1 $aSUENAGA, K.
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