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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
13/09/2012 |
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Data da última atualização: |
05/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
PINHEIRO, T. M.; ARAÚJO, L. G. de; SILVA-LOBO, V. L. da; PRABHU, A. S.; FILIPPI, M. C. de. |
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Afiliação: |
THIAGO MARTINS PINHEIRO, UNIVERSIDADE FEDERAL DE GOIÁS; LEILA GARCÊS DE ARAÚJO, UNIVERSIDADE FEDERAL DE GOIÁS; VALACIA LEMES DA SILVA LOBO, CNPAF; ANNE SITARAMA PRABHU, CNPAF; MARTA CRISTINA CORSI DE FILIPPI, CNPAF. |
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Título: |
Tagging microsatellite marker to a blast resistance gene in the irrigated rice cultivar Cica-8. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, v. 12, n. 3, p. 164-170, jul./ago. 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
The rice cultivar Cica-8 exhibit differential reaction to several pathotypes of Magnaporthe oryzae. The objective of the present investigation was to determine the number of alleles involved in the expression of resistance to leaf blast and identify microsatellite markers linked to these alleles. A cross between cultivar Metica-1 and Cica-8 susceptible and resistant, respectively, to pathotype IB-1 (Py1049) was made to obtain F1, F2, BC1:1 and BC1:2 progenies. Greenhouse tests for leaf blast reaction showed that resistance is controlled by a monogenic dominant gene. For testing microsatellite markers, DNA of both resistant and susceptible parents and F1 and F2 populations was extracted. As expected for single dominant gene the F2 populations segregated at a ratio of 3:1. Of the 11 microsatellite markers tested, one marker RM 7102 was found to be closely linked to the resistant allele at a distance of 2.7 cM, in the cultivar Cica-8 to pathotype IB-1. |
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Thesagro: |
Arroz; Brusone; Oryza sativa. |
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Thesaurus Nal: |
Genetic markers; Magnaporthe grisea; Marker-assisted selection; Rice. |
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Categoria do assunto: |
H Saúde e Patologia |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/66202/1/arttag.pdf
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Marc: |
LEADER 01728naa a2200253 a 4500
001 1933575
005 2022-05-05
008 2012 bl uuuu u00u1 u #d
100 1 $aPINHEIRO, T. M.
245 $aTagging microsatellite marker to a blast resistance gene in the irrigated rice cultivar Cica-8.$h[electronic resource]
260 $c2012
520 $aThe rice cultivar Cica-8 exhibit differential reaction to several pathotypes of Magnaporthe oryzae. The objective of the present investigation was to determine the number of alleles involved in the expression of resistance to leaf blast and identify microsatellite markers linked to these alleles. A cross between cultivar Metica-1 and Cica-8 susceptible and resistant, respectively, to pathotype IB-1 (Py1049) was made to obtain F1, F2, BC1:1 and BC1:2 progenies. Greenhouse tests for leaf blast reaction showed that resistance is controlled by a monogenic dominant gene. For testing microsatellite markers, DNA of both resistant and susceptible parents and F1 and F2 populations was extracted. As expected for single dominant gene the F2 populations segregated at a ratio of 3:1. Of the 11 microsatellite markers tested, one marker RM 7102 was found to be closely linked to the resistant allele at a distance of 2.7 cM, in the cultivar Cica-8 to pathotype IB-1.
650 $aGenetic markers
650 $aMagnaporthe grisea
650 $aMarker-assisted selection
650 $aRice
650 $aArroz
650 $aBrusone
650 $aOryza sativa
700 1 $aARAÚJO, L. G. de
700 1 $aSILVA-LOBO, V. L. da
700 1 $aPRABHU, A. S.
700 1 $aFILIPPI, M. C. de
773 $tCrop Breeding and Applied Biotechnology$gv. 12, n. 3, p. 164-170, jul./ago. 2012.
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Embrapa Arroz e Feijão (CNPAF) |
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| 1. |  | SILVA, E. E.; DE-POLLI, H.; AZEVEDO, P. H. A.; ALMEIDA, M. M. T. B.; GUERRA, J. G. M. análises nutricional de rizomas de taro asociação con Crotalaria Juncea Bajo diferentes frecuencia de riego en manejo orgánico In:CONGRESSO BRASILEIRO DE AGROECOLOGIA, 6.; CONGRESSO LATINO AMERICANO DE AGROECOLOGIA, 2., 09 a 12 de novembro de 2009, Curitiba. Agricultura familiar e camponesa: experiências passadas e presentes construindo um futuro sustentável: trabalhos... Curitiba: ABA: SOCLA, 2009. 01 p.02790-02794| Tipo: Artigo em Anais de Congresso / Nota Técnica |
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