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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
16/11/2022 |
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Data da última atualização: |
23/11/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
CHAVES, S. F. S.; DIAS, L. A. S.; ALVES, R. S.; ALVES, R. M.; EVANGELISTA, J. S. P. C.; DIAS, K. O. G. |
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Afiliação: |
SAULO F. S. CHAVES, UNIVERSIDADE FEDERAL DE VIÇOSA; LUIZ A. S. DIAS, UNIVERSIDADE FEDERAL DE VIÇOSA; RODRIGO S. ALVES, UNIVERSIDADE FEDERAL DE VIÇOSA; RAFAEL MOYSES ALVES, CPATU; JENIFFER S. P. C. EVANGELISTA, UNIVERSIDADE FEDERAL DE VIÇOSA; KAIO O. G. DIAS, UNIVERSIDADE FEDERAL DE VIÇOSA. |
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Título: |
Leveraging multi-harvest data for increasing genetic gains per unit of time for fruit yield and resistance to witches' broom in Theobroma grandiflorum. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Euphytica, v. 218, Article number 171, 2022. |
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DOI: |
https://doi.org/10.1007/s10681-022-03126-5 |
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Idioma: |
Inglês |
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Conteúdo: |
Theobroma grandiflorum is a perennial fruit-bearing species with a long breeding cycle (~ 12 years). In multi-harvest data analyses, one frequently observes heteroscedasticity and genetic/statistical imbalance, which requires adequate statistical methods. This study aimed to (i) compare multiharvest models with homogenous and heterogeneous residual variance, (ii) define the optimal number of harvests for an accurate genetic selection of T. grandiflorum genotypes, and (iii) select T. grandiflorum hybrid families with high fruit yield and resistance to witches? broom using an additive index. We used a generalized linear mixed model to analyse the resistance to witches? broom. The data refers to anunbalanced trial with 34 triple-cross hybrid families, arranged in a randomized complete block design. We evaluated these families throughout 9 consecutive harvest years regarding fruit yield and resistance to witches? broom. The variance components, genetic parameters and genotypic values were estimated/predicted through residual maximum likelihood/best linear unbiased prediction methodologies. The model with heterogeneous residuals had a better fit than the homogeneous model for the fruit yield trait, according to Akaike information criterion. The results attest to the genetic variability in the evaluated population. To select the best individual for the next breeding cycle, three harvests are enough for selecting accurately for fruit yield and resistance to witches? broom. For commercial release, nine harvests are necessary for both traits. We identified ten high-performance families regarding fruit yield and resistance to witches? broom MenosTheobroma grandiflorum is a perennial fruit-bearing species with a long breeding cycle (~ 12 years). In multi-harvest data analyses, one frequently observes heteroscedasticity and genetic/statistical imbalance, which requires adequate statistical methods. This study aimed to (i) compare multiharvest models with homogenous and heterogeneous residual variance, (ii) define the optimal number of harvests for an accurate genetic selection of T. grandiflorum genotypes, and (iii) select T. grandiflorum hybrid families with high fruit yield and resistance to witches? broom using an additive index. We used a generalized linear mixed model to analyse the resistance to witches? broom. The data refers to anunbalanced trial with 34 triple-cross hybrid families, arranged in a randomized complete block design. We evaluated these families throughout 9 consecutive harvest years regarding fruit yield and resistance to witches? broom. The variance components, genetic parameters and genotypic values were estimated/predicted through residual maximum likelihood/best linear unbiased prediction methodologies. The model with heterogeneous residuals had a better fit than the homogeneous model for the fruit yield trait, according to Akaike information criterion. The results attest to the genetic variability in the evaluated population. To select the best individual for the next breeding cycle, three harvests are enough for selecting accurately for fruit yield and resistance to witches? broom. For comm... Mostrar Tudo |
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Palavras-Chave: |
Genética quantitativa; Interação genótipo por colheita; Modelos mistos. |
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Thesagro: |
Árvore Frutífera; Cupuaçu; Theobroma Grandiflorum. |
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Thesaurus Nal: |
Quantitative genetics. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 02586naa a2200277 a 4500
001 2148275
005 2022-11-23
008 2022 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1007/s10681-022-03126-5$2DOI
100 1 $aCHAVES, S. F. S.
245 $aLeveraging multi-harvest data for increasing genetic gains per unit of time for fruit yield and resistance to witches' broom in Theobroma grandiflorum.$h[electronic resource]
260 $c2022
520 $aTheobroma grandiflorum is a perennial fruit-bearing species with a long breeding cycle (~ 12 years). In multi-harvest data analyses, one frequently observes heteroscedasticity and genetic/statistical imbalance, which requires adequate statistical methods. This study aimed to (i) compare multiharvest models with homogenous and heterogeneous residual variance, (ii) define the optimal number of harvests for an accurate genetic selection of T. grandiflorum genotypes, and (iii) select T. grandiflorum hybrid families with high fruit yield and resistance to witches? broom using an additive index. We used a generalized linear mixed model to analyse the resistance to witches? broom. The data refers to anunbalanced trial with 34 triple-cross hybrid families, arranged in a randomized complete block design. We evaluated these families throughout 9 consecutive harvest years regarding fruit yield and resistance to witches? broom. The variance components, genetic parameters and genotypic values were estimated/predicted through residual maximum likelihood/best linear unbiased prediction methodologies. The model with heterogeneous residuals had a better fit than the homogeneous model for the fruit yield trait, according to Akaike information criterion. The results attest to the genetic variability in the evaluated population. To select the best individual for the next breeding cycle, three harvests are enough for selecting accurately for fruit yield and resistance to witches? broom. For commercial release, nine harvests are necessary for both traits. We identified ten high-performance families regarding fruit yield and resistance to witches? broom
650 $aQuantitative genetics
650 $aÁrvore Frutífera
650 $aCupuaçu
650 $aTheobroma Grandiflorum
653 $aGenética quantitativa
653 $aInteração genótipo por colheita
653 $aModelos mistos
700 1 $aDIAS, L. A. S.
700 1 $aALVES, R. S.
700 1 $aALVES, R. M.
700 1 $aEVANGELISTA, J. S. P. C.
700 1 $aDIAS, K. O. G.
773 $tEuphytica$gv. 218, Article number 171, 2022.
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Embrapa Amazônia Oriental (CPATU) |
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| Registros recuperados : 13 | |
| 1. |  | ADONA, P. R.; DODE, M. A. M.; RODOVALHO, N. C.; FERNANDES, C. 6-Demetilaminopurina (6-DMAP) na retencao da meiose e sua reversibilidade em ovocitos bovinos. In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE TRANSFERENCIA DE EMBRIOES, 14., 1999, Campos do Jordao. [Anais...] Arquivos da Faculdade de Veterinaria UFRGS, Porto Alegre, v.27, n.1, p.195, 1999.Suplemento. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 2. | | DODE, M. A. M.; RODOVALHO, N. C.; UENO, V. G.; ALVES, R. G. Avaliacao de diferentes metodos de separacao de espermatozoides de bovinos para fecundacao in vitro. In : REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE TRANSFERENCIA DE EMBRIOES, 13., 1997, Foz do Iguacu. Arquivos da Faculdade de Veterinaria UFRGS, v.25, n.1, p.216, 1997. Suplemento. Resumo. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 5. | | ADONA, P. R.; DODE, M. A. N.; RODOVALHO, N. C.; LEGUIZAMON, G. Genetica da maturacao nuclear de ovocitos zebuinos na presenca ou nao de hormonios. In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE TRANSFERENCIA DE EMBRIOES, 13., 1998, Atibaia. [Anais...]. Arquivos da Faculdade de Veterinaria da UFRGS, Porto Alegre, v.26, n.1, p.205, 1998. Suplemento. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 6. | | ZUCCARI, C. E. S. N.; DODE, M. A. N.; RODOVALHO, N. C.; MADUREIRA, J. S. Oocyte recovery rate from equine ovaries according to follicular diameter. In : REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE TRANSFERENCIA DE EMBRIOES, 13., 1997, Foz do Iguacu. Arquivos da Faculdade de Veterinaria UFRGS, v.25, n.1, p.325, 1997. Suplemento. Resumo. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 8. | | RODOVALHO, N. C. M.; DODE, M. A. N.; UENO, V. G.; FERNANDES, C. Efeito de liquido folicular de diferentes tamanhos de foliculos na maturacao in vitro de ovocitos em bovinos. In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE TRANSFERENCIA DE EMBRIOES, 14., 1999, Campos do Jordao. [Anais...] Arquivos da Faculdade de Veterinaria UFRGS, Porto Alegre, v.27, n.1, p.284, 1999.Suplemento. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 10. | | DODE, M. A. N.; RODOVALHO, N. C.; UENO, V. G.; FERNANDES, C. O tempo de incubacao de ovocitos e espermatozoides bovinos na taxa de penetracao e clivagem In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE TRANSFERENCIA DE EMBRIOES, 13., 1998, Atibaia: [Anais...]. Arquivos da Faculdade de Veterinaria da UFRGS, Porto Alegre, v.26, n.1, p.254, 1998. Suplemento. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 12. | | DODE, M. A. N.; UENO, V. G.; RODOVALHO, N. C.; ZUCCARI, C. E. N.; FERNANDES, C. Qualidade dos espermatozoides bovinos recuperados por diferentes metodos de separacao espermatica. In: REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE TRANSFERENCIA DE EMBRIOES, 13., 1998, Atibaia. [Anais...]. Arquivos da Faculdade de Veterinaria da UFRGS, Porto Alegre, v.26, n.1, p.257, 1998. Suplemento. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| 13. | | DODE, M. A. M.; VENO, V. G.; RODOVALHO, N. C.; LEGUIZAMON, G. O. C. Qualidade dos ovocitos de vacas zebuinas em diferentes estagios fisiologicos. In : REUNIAO ANUAL DA SOCIEDADE BRASILEIRA DE TRANSFERENCIA DE EMBRIOES, 13., 1997, Foz do Iguacu. Arquivos da Faculdade de Veterinaria UFRGS, v.25, n.1, p.218, 1997. Suplemento. Resumo. CNPGC.| Biblioteca(s): Embrapa Gado de Corte. |
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| Registros recuperados : 13 | |
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| Nenhum registro encontrado para a expressão de busca informada. |
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