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Registro Completo |
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Biblioteca(s): |
Embrapa Soja. |
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Data corrente: |
26/02/2004 |
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Data da última atualização: |
27/10/2005 |
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Autoria: |
GARCIA, A.; PÍPOLO, A. E. |
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Título: |
Avaliação de cultivares e linhagens avançadas de soja para cultivo em área de reforma de canavial (04.2001.325-03). |
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Ano de publicação: |
2003 |
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Fonte/Imprenta: |
In: HOFFMANN-CAMPO, C. B.; SARAIVA, O. F. (Org.). Resultados de pesquisa da Embrapa Soja - 2002: melhoramento. Londrina: Embrapa Soja, 2003. |
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Páginas: |
p. 64-75. |
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Série: |
(Embrapa Soja. Documentos, 210). |
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Idioma: |
Português |
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Thesagro: |
Linhagem; Melhoramento Genético Vegetal; Soja. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00662naa a2200181 a 4500
001 1466512
005 2005-10-27
008 2003 bl uuuu u00u1 u #d
100 1 $aGARCIA, A.
245 $aAvaliação de cultivares e linhagens avançadas de soja para cultivo em área de reforma de canavial (04.2001.325-03).
260 $c2003
300 $ap. 64-75.
490 $a(Embrapa Soja. Documentos, 210).
650 $aLinhagem
650 $aMelhoramento Genético Vegetal
650 $aSoja
700 1 $aPÍPOLO, A. E.
773 $tIn: HOFFMANN-CAMPO, C. B.; SARAIVA, O. F. (Org.). Resultados de pesquisa da Embrapa Soja - 2002: melhoramento. Londrina: Embrapa Soja, 2003.
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Registro original: |
Embrapa Soja (CNPSO) |
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Registro Completo
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Biblioteca(s): |
Embrapa Mandioca e Fruticultura. |
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Data corrente: |
03/12/2021 |
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Data da última atualização: |
03/12/2021 |
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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: |
OLIVEIRA, C. R. S. de; BOREL, J. C.; PEREIRA, D. A.; CARVALHO, B. P. de; MEDRADO, E. da S.; ISHIKAWA, F. H.; OLIVEIRA, E. J. de. |
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Afiliação: |
CARLOS ROBERTO SILVA DE OLIVEIRA, UNIVASF; JERÔNIMO CONSTANTINO BOREL, UNIVASF; DANILO ALVES PEREIRA, UNIVASF; BRUNA PARENTE DE CARVALHO, UNIVASF; ERICLES DA SILVA MEDRADO, UNIVASF; FRANCINE HIROMI ISHIKAWA, UNIVASF; EDER JORGE DE OLIVEIRA, CNPMF. |
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Título: |
Genetic parameters and path analysis for root yield of cassava under drought and early harvest. |
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Ano de publicação: |
2021 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, V.21, n3, e36162137, 2021. |
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Idioma: |
Inglês |
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Conteúdo: |
The objectives of this study were to estimate genetic parameters and identify traits that contribute to early yield in Manihot esculenta Crantz. Ten traits were evaluated in two experiments, one with 138 genotypes and the other with 133, using a completely randomized block design with four replications. All genotype effects were significant. The accuracy was high for the traits, except leaf retention (0.57), and reliability ranged from 0.33 to 0.75. Root weight (RW) and number of roots (NR) showed the highest selection effectiveness (CV r ), although the estimate was less than 1. Moreover, RW and NR obtained high genetic correlation (0.70). Path analysis showed that only number of roots had a significant direct effect on root weight (0.49), and no indirect effect was found. Therefore, accessions exhibited sufficient genetic variability, and indirect selection based on early evaluation of number of roots can be applied in cassava breeding for fresh root yield, increasing gain over time. |
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Thesagro: |
Mandioca. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/228444/1/Oliveira-et-al-CBAB-2021-1.pdf
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Marc: |
LEADER 01638naa a2200205 a 4500
001 2137040
005 2021-12-03
008 2021 bl uuuu u00u1 u #d
100 1 $aOLIVEIRA, C. R. S. de
245 $aGenetic parameters and path analysis for root yield of cassava under drought and early harvest.$h[electronic resource]
260 $c2021
520 $aThe objectives of this study were to estimate genetic parameters and identify traits that contribute to early yield in Manihot esculenta Crantz. Ten traits were evaluated in two experiments, one with 138 genotypes and the other with 133, using a completely randomized block design with four replications. All genotype effects were significant. The accuracy was high for the traits, except leaf retention (0.57), and reliability ranged from 0.33 to 0.75. Root weight (RW) and number of roots (NR) showed the highest selection effectiveness (CV r ), although the estimate was less than 1. Moreover, RW and NR obtained high genetic correlation (0.70). Path analysis showed that only number of roots had a significant direct effect on root weight (0.49), and no indirect effect was found. Therefore, accessions exhibited sufficient genetic variability, and indirect selection based on early evaluation of number of roots can be applied in cassava breeding for fresh root yield, increasing gain over time.
650 $aMandioca
700 1 $aBOREL, J. C.
700 1 $aPEREIRA, D. A.
700 1 $aCARVALHO, B. P. de
700 1 $aMEDRADO, E. da S.
700 1 $aISHIKAWA, F. H.
700 1 $aOLIVEIRA, E. J. de
773 $tCrop Breeding and Applied Biotechnology, V.21, n3, e36162137, 2021.
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Embrapa Mandioca e Fruticultura (CNPMF) |
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