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Registro Completo |
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Biblioteca(s): |
Embrapa Algodão; Embrapa Arroz e Feijão. |
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Data corrente: |
12/08/2005 |
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Data da última atualização: |
06/10/2005 |
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Autoria: |
GOMES, R. L. F.; LOPES, Â. C. de A. |
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Título: |
Correlations and path analysis in peanut. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Viçosa, MG, v. 5, n. 1, p. 105-110, Mar. 2005. |
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Idioma: |
Inglês
Português |
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Conteúdo: |
The genetic parameters of agronomic traits of groundnut were estimated and the coefficients of genotypic correlation between the grain yield and the primary components of the yield apportioned into direct and indirect effects. The cultivars (Tatu, BR 1, L. 7 Vermelha, CNPA 75 AM, CNPA 76 AM, CNPA 68 AM, L.8.14.12, L.8.14.01 and L. 7 Bege) were evaluated in Teresina, state of Piaui, Brazil. The highest estimates of the coefficient of genotypic determination and of the relation b were obtained for weight of 100 seeds, number of pods plot-1, grain yield, number of seeds pod-1 and pod yield. The splitting of the genotypic correlations into grain yield and the primary components, in direct and indirect effects, shows that the grain yield was positively influenced by the number of pods plot-1 and weight of 100 seeds, and negatively by the number of seeds pod-1. In a favourable sense, the number of pods plot-1 was the trait of greatest direct influence on the grain yield.
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Palavras-Chave: |
Análise de trilha; Coefficient of genotypic determination; coeficiente de determinação genotípica; Correlações; Correlations; Path analysis; Peanut. |
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Thesagro: |
Amendoim; Arachis Hypogaea. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01688naa a2200241 a 4500
001 1213589
005 2005-10-06
008 2005 bl uuuu u00u1 u #d
100 1 $aGOMES, R. L. F.
245 $aCorrelations and path analysis in peanut.
260 $c2005
520 $aThe genetic parameters of agronomic traits of groundnut were estimated and the coefficients of genotypic correlation between the grain yield and the primary components of the yield apportioned into direct and indirect effects. The cultivars (Tatu, BR 1, L. 7 Vermelha, CNPA 75 AM, CNPA 76 AM, CNPA 68 AM, L.8.14.12, L.8.14.01 and L. 7 Bege) were evaluated in Teresina, state of Piaui, Brazil. The highest estimates of the coefficient of genotypic determination and of the relation b were obtained for weight of 100 seeds, number of pods plot-1, grain yield, number of seeds pod-1 and pod yield. The splitting of the genotypic correlations into grain yield and the primary components, in direct and indirect effects, shows that the grain yield was positively influenced by the number of pods plot-1 and weight of 100 seeds, and negatively by the number of seeds pod-1. In a favourable sense, the number of pods plot-1 was the trait of greatest direct influence on the grain yield.
650 $aAmendoim
650 $aArachis Hypogaea
653 $aAnálise de trilha
653 $aCoefficient of genotypic determination
653 $acoeficiente de determinação genotípica
653 $aCorrelações
653 $aCorrelations
653 $aPath analysis
653 $aPeanut
700 1 $aLOPES, Â. C. de A.
773 $tCrop Breeding and Applied Biotechnology, Viçosa, MG$gv. 5, n. 1, p. 105-110, Mar. 2005.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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