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Registro Completo
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Biblioteca(s): |
Embrapa Caprinos e Ovinos. |
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Data corrente: |
27/01/2015 |
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Data da última atualização: |
27/01/2015 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
GUEDES, F. L.; DINIZ, R. P.; BALESTRE, M.; RIBEIRO, C. B.; CAMARGOS, R. B.; SOUZA, J. C. |
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Afiliação: |
FERNANDO LISBOA GUEDES, CNPC; Rafael Parreira Diniz, Universidade Federal de Lavras - Lavras, MG, Brazil; Marcio Balestre, UFLA - Lavras, MG, Brazil; Camila Bastos Ribeiro, UFLA - Lavras, MG, Brazil; Renato Barbosa Camargos, UFLA - Lavras, MG, Brazil; João Cândido Souza, UFLA - Lavras, MG, Brazil. |
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Título: |
Inheritance of nitrogen use efficiency in inbred progenies of tropical maize based on multivariate diallel analysis. |
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Ano de publicação: |
2014 |
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Fonte/Imprenta: |
The Scientific World Journal, ID 894710, 7 p, 2014. |
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DOI: |
http://dx.doi.org/10.1155/2014/894710 |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: The objective of our study was to characterize and determine the patterns of genetic control in relation to tolerance and efficiency of nitrogen use by means of a complete diallel cross involving contrasting inbred progenies of tropical maize based on a univariate approach within the perspective of a multivariate mixed model. Eleven progenies, previously classified regarding the tolerance and responsiveness to nitrogen, were crossed in a complete diallel cross. Fifty-five hybrids were obtained. The hybrids and the progenies were evaluated at two different nitrogen levels, in two locations. The grain yield was measured as well as its yield components. The heritability values between the higher and lower nitrogen input environment did not differ among themselves. It was observed that the general combining ability values were similar for both approaches univariate and multivariate, when it was analyzed within each location and nitrogen level. The estimate of variance of the specific combining ability was higher than general combining ability estimate and the ratio between them was 0.54. The univariate and multivariate approaches are equivalent in experiments with good precision and high heritability. The nonadditive genetic effects exhibit greater quantities than the additive genetic effects for the genetic control of nitrogen use efficiency. |
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Palavras-Chave: |
Analise multivariada; Genetic control; Herdabilidade; Maize. |
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Thesagro: |
Melhoramento genético vegetal; Método estatístico; Milho; Nitrogênio; Zea Mays. |
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Thesaurus NAL: |
Diallel analysis; Heritability; Multivariate analysis; Nitrogen; Plant breeding. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/116542/1/api-Inheritance.pdf
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Marc: |
LEADER 02430naa a2200361 a 4500
001 2006787
005 2015-01-27
008 2014 bl uuuu u00u1 u #d
024 7 $ahttp://dx.doi.org/10.1155/2014/894710$2DOI
100 1 $aGUEDES, F. L.
245 $aInheritance of nitrogen use efficiency in inbred progenies of tropical maize based on multivariate diallel analysis.$h[electronic resource]
260 $c2014
520 $aAbstract: The objective of our study was to characterize and determine the patterns of genetic control in relation to tolerance and efficiency of nitrogen use by means of a complete diallel cross involving contrasting inbred progenies of tropical maize based on a univariate approach within the perspective of a multivariate mixed model. Eleven progenies, previously classified regarding the tolerance and responsiveness to nitrogen, were crossed in a complete diallel cross. Fifty-five hybrids were obtained. The hybrids and the progenies were evaluated at two different nitrogen levels, in two locations. The grain yield was measured as well as its yield components. The heritability values between the higher and lower nitrogen input environment did not differ among themselves. It was observed that the general combining ability values were similar for both approaches univariate and multivariate, when it was analyzed within each location and nitrogen level. The estimate of variance of the specific combining ability was higher than general combining ability estimate and the ratio between them was 0.54. The univariate and multivariate approaches are equivalent in experiments with good precision and high heritability. The nonadditive genetic effects exhibit greater quantities than the additive genetic effects for the genetic control of nitrogen use efficiency.
650 $aDiallel analysis
650 $aHeritability
650 $aMultivariate analysis
650 $aNitrogen
650 $aPlant breeding
650 $aMelhoramento genético vegetal
650 $aMétodo estatístico
650 $aMilho
650 $aNitrogênio
650 $aZea Mays
653 $aAnalise multivariada
653 $aGenetic control
653 $aHerdabilidade
653 $aMaize
700 1 $aDINIZ, R. P.
700 1 $aBALESTRE, M.
700 1 $aRIBEIRO, C. B.
700 1 $aCAMARGOS, R. B.
700 1 $aSOUZA, J. C.
773 $tThe Scientific World Journal, ID 894710, 7 p, 2014.
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Embrapa Caprinos e Ovinos (CNPC) |
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