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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Ocidental. |
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Data corrente: |
09/06/2020 |
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Data da última atualização: |
09/06/2020 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
OLIVEIRA, I. J. de; FONTES, J. R. A.; MORAIS, R. R. de. |
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Afiliação: |
INOCENCIO JUNIOR DE OLIVEIRA, CPAA; JOSE ROBERTO ANTONIOL FONTES, CPAA; RONALDO RIBEIRO DE MORAIS, CPAA. |
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Título: |
Agronomic performance of eight corn genotypes in two sowing periods. |
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Ano de publicação: |
2020 |
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Fonte/Imprenta: |
Revista Agro@mbiente On-line, v. 14, 2020. |
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DOI: |
http://dx.doi.org/10.18227/1982-8470ragro.v14i0.5987 |
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Idioma: |
Inglês |
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Notas: |
Título em Português: Desempenho agronômico de genótipos de milho em duas épocas de semeadura. |
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Conteúdo: |
Os fatores climáticos de uma região determinam os períodos críticos de desenvolvimento da cultura do milho e afetam o planejamento da semeadura de forma a reduzir os efeitos negativos sobre a produtividade. Assim, objetivou-se com este trabalho avaliar o desempenho agronômico de oito genótipos de milho e duas épocas de semeadura nas condições edafoclimáticas de Manaus, Amazonas. |
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Thesagro: |
Variedade; Zea Mays. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/213857/1/Agrombiente-Epocas-de-semeadura-milho.pdf
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Marc: |
LEADER 01059naa a2200193 a 4500
001 2123164
005 2020-06-09
008 2020 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.18227/1982-8470ragro.v14i0.5987$2DOI
100 1 $aOLIVEIRA, I. J. de
245 $aAgronomic performance of eight corn genotypes in two sowing periods.$h[electronic resource]
260 $c2020
500 $aTítulo em Português: Desempenho agronômico de genótipos de milho em duas épocas de semeadura.
520 $aOs fatores climáticos de uma região determinam os períodos críticos de desenvolvimento da cultura do milho e afetam o planejamento da semeadura de forma a reduzir os efeitos negativos sobre a produtividade. Assim, objetivou-se com este trabalho avaliar o desempenho agronômico de oito genótipos de milho e duas épocas de semeadura nas condições edafoclimáticas de Manaus, Amazonas.
650 $aVariedade
650 $aZea Mays
700 1 $aFONTES, J. R. A.
700 1 $aMORAIS, R. R. de
773 $tRevista Agro@mbiente On-line$gv. 14, 2020.
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Registro original: |
Embrapa Amazônia Ocidental (CPAA) |
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Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
18/01/1994 |
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Data da última atualização: |
19/10/2023 |
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Autoria: |
GAMA, E. E. G. e. |
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Afiliação: |
EMBRAPA/CNPMS. |
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Título: |
Stability analysis of single-cross hybrids of maize (Zea mays L.) produced from selected and unselected inbred lines. |
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Ano de publicação: |
1978 |
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Fonte/Imprenta: |
Ames: Iowa State University, 1978. |
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Páginas: |
118p. |
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Idioma: |
Inglês |
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Notas: |
Doctor Sc. thesis. |
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Conteúdo: |
Stability of yield performance is a desirable characteristic in maize (Zea mays L.) hybrids. Several methods have been proposed and used for measuring yield stability in applied studies. Recently Eberhart and Russel (1966) presented a method to compared hybrids for stability of performance over a series of environments. Inter-population Design II crosses intra-population diallel crosses were made using unselected lines from the two maize populations BSTE and PHPRC. The selected lines were chosen as superior on the basis of paired plant inter-population crosses tested from the SOxSO through S4xS4 generation. Six sets, each including 28 selected and 28 unselected crosses, were evaluated in simple lattice designs that were grown at three Iowa locations for threeyears. The conventional analyiss of variance combined over years and locations and the stability analyses of variance, which included mean yield, regression coeficient, and deviations from the regression, were computed for the selected and unselected, was more productive and stable over nine environments. The selected group of hybrids had significantly greater grain yield than the unselected hybrids. Significant genotype x environemnt interaction existed for the selected and unselected groups of hybrids, indicating that they differed in either rank or relative yield with environments.The selected and unselected groups of hybrids, therefore, had similar contributions to the total genotype x environment interaction variance. These two group of hybrids (...) MenosStability of yield performance is a desirable characteristic in maize (Zea mays L.) hybrids. Several methods have been proposed and used for measuring yield stability in applied studies. Recently Eberhart and Russel (1966) presented a method to compared hybrids for stability of performance over a series of environments. Inter-population Design II crosses intra-population diallel crosses were made using unselected lines from the two maize populations BSTE and PHPRC. The selected lines were chosen as superior on the basis of paired plant inter-population crosses tested from the SOxSO through S4xS4 generation. Six sets, each including 28 selected and 28 unselected crosses, were evaluated in simple lattice designs that were grown at three Iowa locations for threeyears. The conventional analyiss of variance combined over years and locations and the stability analyses of variance, which included mean yield, regression coeficient, and deviations from the regression, were computed for the selected and unselected, was more productive and stable over nine environments. The selected group of hybrids had significantly greater grain yield than the unselected hybrids. Significant genotype x environemnt interaction existed for the selected and unselected groups of hybrids, indicating that they differed in either rank or relative yield with environments.The selected and unselected groups of hybrids, therefore, had similar contributions to the total genotype x environment interaction varianc... Mostrar Tudo |
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Palavras-Chave: |
Estabilidade Fenotipica; Genetic; Grain; Hybrid; Inbred line; Maize; Stability; Yield. |
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Thesagro: |
Genética; Hibridação; Hibrido; Melhoramento; Milho; Zea Mays. |
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Thesaurus NAL: |
breeding; hybridization. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/473763/1/Stability-analysis-of-single-cross-hybrids-of-maize-.pdf
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Marc: |
LEADER 02364nam a2200325 a 4500
001 1473763
005 2023-10-19
008 1978 bl uuuu m 00u1 u #d
100 1 $aGAMA, E. E. G. e
245 $aStability analysis of single-cross hybrids of maize (Zea mays L.) produced from selected and unselected inbred lines.
260 $aAmes: Iowa State University$c1978
300 $a118p.
500 $aDoctor Sc. thesis.
520 $aStability of yield performance is a desirable characteristic in maize (Zea mays L.) hybrids. Several methods have been proposed and used for measuring yield stability in applied studies. Recently Eberhart and Russel (1966) presented a method to compared hybrids for stability of performance over a series of environments. Inter-population Design II crosses intra-population diallel crosses were made using unselected lines from the two maize populations BSTE and PHPRC. The selected lines were chosen as superior on the basis of paired plant inter-population crosses tested from the SOxSO through S4xS4 generation. Six sets, each including 28 selected and 28 unselected crosses, were evaluated in simple lattice designs that were grown at three Iowa locations for threeyears. The conventional analyiss of variance combined over years and locations and the stability analyses of variance, which included mean yield, regression coeficient, and deviations from the regression, were computed for the selected and unselected, was more productive and stable over nine environments. The selected group of hybrids had significantly greater grain yield than the unselected hybrids. Significant genotype x environemnt interaction existed for the selected and unselected groups of hybrids, indicating that they differed in either rank or relative yield with environments.The selected and unselected groups of hybrids, therefore, had similar contributions to the total genotype x environment interaction variance. These two group of hybrids (...)
650 $abreeding
650 $ahybridization
650 $aGenética
650 $aHibridação
650 $aHibrido
650 $aMelhoramento
650 $aMilho
650 $aZea Mays
653 $aEstabilidade Fenotipica
653 $aGenetic
653 $aGrain
653 $aHybrid
653 $aInbred line
653 $aMaize
653 $aStability
653 $aYield
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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