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| 3. |  | GASSEN, H. G.; BONACELLI, M. B. M.; SALLES FILHO, S. L. M.; ODA, L. M.; SOARES, B. E. C.; MELLENTHIN, O.; CHAMAS, C. I.; WINNACKER, E. L. Biotecnologia em discussão. São Paulo: Fundação Konrad Adenauer, 2000. 133 p. (Cadernos Adenauer, 8).| Biblioteca(s): Embrapa Agrobiologia; Embrapa Arroz e Feijão; Embrapa Florestas; Embrapa Gado de Corte; Embrapa Gado de Leite; Embrapa Meio Ambiente; Embrapa Recursos Genéticos e Biotecnologia. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Mandioca e Fruticultura. Para informações adicionais entre em contato com cnpmf.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
15/10/2019 |
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Data da última atualização: |
15/10/2019 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
DINIZ, R. P.; OLIVEIRA, E. J. de. |
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Afiliação: |
RAFAEL P. DINIZ, UFRB; EDER JORGE DE OLIVEIRA, CNPMF. |
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Título: |
Genetic parameters, path analysis and indirect selection of agronomic traits of cassava germplasm. |
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Ano de publicação: |
2019 |
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Fonte/Imprenta: |
Anais da Academia Brasileira de Ciências, v. 91, n.3, e20180387, 2019. |
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ISSN: |
1678-2690 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to estimate genetic parameters and correlations between morphological, agronomic and root quality traits of cassava plants, as well as to study cause and effect relationships through path analysis. A total of 814 genotypes were evaluated from 2011 to 2015. The joint analysis of the data was performed by the mixed models approach. The predicted genetic values of the genotypes were used to estimate the genetic correlations among as well the path analysis. The estimates of heritability of the genotype means ranged from 0.31 (commercial fresh root yield ? CRY) to 0.62 (plant height - PLH). The highest genetic correlation coefficient estimates were observed for starch yield (STY) × total fresh root yield (FRY) (0.97). The results of the path analysis showed that FRY had the highest direct effect on STY, but the indirect selection based on FRY was not efficient to improve the gain of STY. |
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Thesagro: |
Mandioca. |
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Categoria do assunto: |
-- |
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Marc: |
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001 2113125
005 2019-10-15
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022 $a1678-2690
100 1 $aDINIZ, R. P.
245 $aGenetic parameters, path analysis and indirect selection of agronomic traits of cassava germplasm.$h[electronic resource]
260 $c2019
520 $aThis study aimed to estimate genetic parameters and correlations between morphological, agronomic and root quality traits of cassava plants, as well as to study cause and effect relationships through path analysis. A total of 814 genotypes were evaluated from 2011 to 2015. The joint analysis of the data was performed by the mixed models approach. The predicted genetic values of the genotypes were used to estimate the genetic correlations among as well the path analysis. The estimates of heritability of the genotype means ranged from 0.31 (commercial fresh root yield ? CRY) to 0.62 (plant height - PLH). The highest genetic correlation coefficient estimates were observed for starch yield (STY) × total fresh root yield (FRY) (0.97). The results of the path analysis showed that FRY had the highest direct effect on STY, but the indirect selection based on FRY was not efficient to improve the gain of STY.
650 $aMandioca
700 1 $aOLIVEIRA, E. J. de
773 $tAnais da Academia Brasileira de Ciências$gv. 91, n.3, e20180387, 2019.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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