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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. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
20/02/1995 |
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Data da última atualização: |
29/04/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CORTE, H. R.; RAMALHO, M. A. P.; GONÇALVES, F. M. A.; ABREU, A. de F. B. |
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Afiliação: |
HERCULES RENATO CORTE, UFLA; MAGNO ANTONIO PATTO RAMALHO, UFLA; FLAVIA MARIA AVELAR CONÇALVES, UFLA; ANGELA DE FATIMA BARBOSA ABREU, CNPAF. |
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Título: |
Natural selection for grain yield in dry bean populations bred by the bulk method. |
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Ano de publicação: |
2002 |
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Fonte/Imprenta: |
Euphytica, v. 123, n. 3, p. 387-393, Feb. 2002. |
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DOI: |
10.1023/A:1015065815131 |
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Idioma: |
Inglês |
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Conteúdo: |
Three dry bean harvests are possible in some regions of Brazil that differ significantly in temperature, rainfall and day length conditions. Thus in breeding programs, generation advance using the bulk method can be carried out in these three periods. It is questionable whether under conditions such as these the action of natural selection would contribute to an increased frequency of individuals considered superior by breeders. The present study assessed six segregating populations, for up to 17 successive generations to check the effects of natural selection during inbreeding. Six populations were generated from a partial diallel: one group consisting of two early maturity cultivars, ESAL 686 and Manteigão Fosco was crossed to a second group of three cultivars with medium maturity, Carioca MG, Milionario and Ouro. The six populations plus the five parents were assessed in experiments using a randomized complete block design, in three locations: Lavras, where in breeding started from the F2 generation; Lambari and Patos de Minas, from the F3 generation. A linear regression equation was fitted to the parents and hybrids mean data in each location, considering grain yield as the dependent variable (y) and generations (F2 = 1, F3 = 2, etc.) as the independent variable. Genetic progress was estimated from the differences between the linear regression coefficients of the hybrids (bi)and the mean of the b coefficient of their respective parents (bj). The (bi-bj) were positive in all cases, showing that natural selection acted in all the segregating populations and contributed to an average increase in grain yield of 2.5% per generation over the mean of the parents. MenosThree dry bean harvests are possible in some regions of Brazil that differ significantly in temperature, rainfall and day length conditions. Thus in breeding programs, generation advance using the bulk method can be carried out in these three periods. It is questionable whether under conditions such as these the action of natural selection would contribute to an increased frequency of individuals considered superior by breeders. The present study assessed six segregating populations, for up to 17 successive generations to check the effects of natural selection during inbreeding. Six populations were generated from a partial diallel: one group consisting of two early maturity cultivars, ESAL 686 and Manteigão Fosco was crossed to a second group of three cultivars with medium maturity, Carioca MG, Milionario and Ouro. The six populations plus the five parents were assessed in experiments using a randomized complete block design, in three locations: Lavras, where in breeding started from the F2 generation; Lambari and Patos de Minas, from the F3 generation. A linear regression equation was fitted to the parents and hybrids mean data in each location, considering grain yield as the dependent variable (y) and generations (F2 = 1, F3 = 2, etc.) as the independent variable. Genetic progress was estimated from the differences between the linear regression coefficients of the hybrids (bi)and the mean of the b coefficient of their respective parents (bj). The (bi-bj) were positive in ... Mostrar Tudo |
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Thesagro: |
Feijão; Grão; Melhoramento Genético Vegetal; Método; Phaseolus Vulgaris; Seleção. |
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Thesaurus Nal: |
Beans; Gene segregation; Natural selection; Plant breeding. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02513naa a2200289 a 4500
001 1199249
005 2022-04-29
008 2002 bl uuuu u00u1 u #d
024 7 $a10.1023/A:1015065815131$2DOI
100 1 $aCORTE, H. R.
245 $aNatural selection for grain yield in dry bean populations bred by the bulk method.$h[electronic resource]
260 $c2002
520 $aThree dry bean harvests are possible in some regions of Brazil that differ significantly in temperature, rainfall and day length conditions. Thus in breeding programs, generation advance using the bulk method can be carried out in these three periods. It is questionable whether under conditions such as these the action of natural selection would contribute to an increased frequency of individuals considered superior by breeders. The present study assessed six segregating populations, for up to 17 successive generations to check the effects of natural selection during inbreeding. Six populations were generated from a partial diallel: one group consisting of two early maturity cultivars, ESAL 686 and Manteigão Fosco was crossed to a second group of three cultivars with medium maturity, Carioca MG, Milionario and Ouro. The six populations plus the five parents were assessed in experiments using a randomized complete block design, in three locations: Lavras, where in breeding started from the F2 generation; Lambari and Patos de Minas, from the F3 generation. A linear regression equation was fitted to the parents and hybrids mean data in each location, considering grain yield as the dependent variable (y) and generations (F2 = 1, F3 = 2, etc.) as the independent variable. Genetic progress was estimated from the differences between the linear regression coefficients of the hybrids (bi)and the mean of the b coefficient of their respective parents (bj). The (bi-bj) were positive in all cases, showing that natural selection acted in all the segregating populations and contributed to an average increase in grain yield of 2.5% per generation over the mean of the parents.
650 $aBeans
650 $aGene segregation
650 $aNatural selection
650 $aPlant breeding
650 $aFeijão
650 $aGrão
650 $aMelhoramento Genético Vegetal
650 $aMétodo
650 $aPhaseolus Vulgaris
650 $aSeleção
700 1 $aRAMALHO, M. A. P.
700 1 $aGONÇALVES, F. M. A.
700 1 $aABREU, A. de F. B.
773 $tEuphytica$gv. 123, n. 3, p. 387-393, Feb. 2002.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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Registro Completo
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Biblioteca(s): |
Embrapa Uva e Vinho. |
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Data corrente: |
30/10/2009 |
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Data da última atualização: |
28/07/2022 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
LORENSINI, F.; CERETTA, C. A.; BRUNETTO, G.; TRENTIN, G.; GIROTTO, E.; LOURENZI, C. R.; MIOTTO, A.; TIECHER, T.; DE CONTI, L.; TRINDADE, M. M.; MOSER, G. R. Z.; CELLA, C.; KAMINSKI, J.; MELO, G. W. B. D. |
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Afiliação: |
FELIPE LORENSINI, UFSM; CARLOS ALBERTO CERETTA, UFSM; GUSTAVO BRUNETTO, UFSJ; GUSTAVO TRENTIN, UFSM; EDUARDO GIROTTO, UFSM; CLEDIMAR ROGÉRIO LOURENZI, UFSM; ALCIONE MIOTTO, UFSM; TADEU TIECHER, UFSM; LESSANDRO DE CONTI, UFSM; MATEUS MOREIRA TRINDADE, UFSM; GLAUCIA REGINA ZAFERI MOSER, UFSM; CESAR CELLA, UFSM; JOÃO KAMINSKI, UFSM; GEORGE WELLINGTON BASTOS DE MELO, CNPUV. |
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Título: |
Resposta da videira à adubação nitrogenada na forma de composto orgânico e mineral na Região da Campanha do Rio Grande do Sul. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
In: ENCONTRO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA UVA E VINHO, 7.; ENCONTRO DE PÓS-GRADUANDOS DA EMBRAPA UVA E VINHO, 3., 2009, Bento Gonçalves. Resumos... Bento Gonçalves: Embrapa Uva e Vinho, 2009. |
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Páginas: |
p. 20. |
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Idioma: |
Português |
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Conteúdo: |
Os solos da região da Campanha do Rio Grande do Sul, em geral, apresentam baixa capacidade de fornecimento de nitrogênio (N). Com isso, se torna necessário a aplicação desse nutriente na forma orgânica e/ou mineral. O trabalho objetivou avaliar a resposta das videiras à adubação orgânica e mineral. |
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Palavras-Chave: |
Adubação nitrogenada; Anais; CNPUV; Composto mineral; IC; Iniciação cientifica; Rio Grande do Sul. |
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Thesagro: |
Adubação; Composto orgânico; Nitrogênio; Solo; Uva; Viticultura. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/573728/1/Resumos-7IC-2009-fINAL3-1-20.pdf
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Marc: |
LEADER 01643nam a2200433 a 4500
001 1573728
005 2022-07-28
008 2009 bl uuuu u00u1 u #d
100 1 $aLORENSINI, F.
245 $aResposta da videira à adubação nitrogenada na forma de composto orgânico e mineral na Região da Campanha do Rio Grande do Sul.$h[electronic resource]
260 $aIn: ENCONTRO DE INICIAÇÃO CIENTÍFICA DA EMBRAPA UVA E VINHO, 7.; ENCONTRO DE PÓS-GRADUANDOS DA EMBRAPA UVA E VINHO, 3., 2009, Bento Gonçalves. Resumos... Bento Gonçalves: Embrapa Uva e Vinho$c2009
300 $ap. 20.
520 $aOs solos da região da Campanha do Rio Grande do Sul, em geral, apresentam baixa capacidade de fornecimento de nitrogênio (N). Com isso, se torna necessário a aplicação desse nutriente na forma orgânica e/ou mineral. O trabalho objetivou avaliar a resposta das videiras à adubação orgânica e mineral.
650 $aAdubação
650 $aComposto orgânico
650 $aNitrogênio
650 $aSolo
650 $aUva
650 $aViticultura
653 $aAdubação nitrogenada
653 $aAnais
653 $aCNPUV
653 $aComposto mineral
653 $aIC
653 $aIniciação cientifica
653 $aRio Grande do Sul
700 1 $aCERETTA, C. A.
700 1 $aBRUNETTO, G.
700 1 $aTRENTIN, G.
700 1 $aGIROTTO, E.
700 1 $aLOURENZI, C. R.
700 1 $aMIOTTO, A.
700 1 $aTIECHER, T.
700 1 $aDE CONTI, L.
700 1 $aTRINDADE, M. M.
700 1 $aMOSER, G. R. Z.
700 1 $aCELLA, C.
700 1 $aKAMINSKI, J.
700 1 $aMELO, G. W. B. D.
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Embrapa Uva e Vinho (CNPUV) |
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