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Registros recuperados : 124 | |
11. | | CAMARGO, L. S. de A.; OLIVEIRA, C. S.; PFEIFER, L. F. M.; MACHADO, R. Avanços e inovações em biotécnicas da reprodução em bovinos de leite. In: VILELA, D.; FERREIRA, R. de P.; FERNANDES, E. N.; JUNTOLLI, F. V. (Ed.). Pecuária de leite no Brasil: cenários e avanços tecnológicos. Brasília, DF: Embrapa, 2016. p. 325-343. Biblioteca(s): Embrapa Gado de Leite; Embrapa Pecuária Sudeste. |
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Registros recuperados : 124 | |
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Registro Completo
Biblioteca(s): |
Embrapa Unidades Centrais. |
Data corrente: |
29/06/2006 |
Data da última atualização: |
25/07/2018 |
Autoria: |
SOUZA, E. F. M. de; PETERNELLI, L. A.; BARBOSA, M. H. P. |
Afiliação: |
Emanuel Fernando Maia de Souza, Universidade Federal de Viçosa - UFV/Departamento de Informática; Luiz Alexandre Peternelli, Universidade Federal de Viçosa - UFV/Departamento de Informática; Márcio Henrique Pereira Barbosa, Universidade Federal de Viçosa - UFV/Departamento de Fitotecnia. |
Título: |
Designs and model effects definitions in the initial stage of a plant breeding program. |
Ano de publicação: |
2006 |
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 41, n. 3, p. 369-375, mar. 2006 |
Idioma: |
Inglês |
Notas: |
Título em português: Delineamentos e definições de efeitos no modelo em estágios iniciais de melhoramento vegetal. |
Conteúdo: |
The objective of this work was to compare the relative efficiency of initial selection and genetic parameter estimation, using augmented blocks design (ABD), augmented blocks twice replicated design (DABD) and group of randomised block design experiments with common treatments (ERBCT), by simulations, considering fixed effect model and mixed model with regular treatment effects as random. For the simulations, eight different conditions (scenarios) were considered. From the 600 simulations in each scenario, the mean percentage selection coincidence, the Pearsons´s correlation estimates between adjusted means for the fixed effects model, and the heritability estimates for the mixed model were evaluated. DABD and ERBCT were very similar in their comparisons and slightly superior to ABD. Considering the initial stages of selection in a plant breeding program, ABD is a good alternative for selecting superior genotypes, although none of the designs had been effective to estimate heritability in all the different scenarios evaluated. |
Palavras-Chave: |
augmented design; bloco incompleto; cana-de-açúcar; delineamento aumentado; herdabilidade; incomplete block; selection; simulação estocástica; stochastic simulation. |
Thesagro: |
Seleção. |
Thesaurus NAL: |
heritability; sugarcane. |
Categoria do assunto: |
-- |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/107417/1/Designs-and-model.pdf
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Marc: |
LEADER 02034naa a2200301 a 4500 001 1118467 005 2018-07-25 008 2006 bl uuuu u00u1 u #d 100 1 $aSOUZA, E. F. M. de 245 $aDesigns and model effects definitions in the initial stage of a plant breeding program. 260 $c2006 500 $aTítulo em português: Delineamentos e definições de efeitos no modelo em estágios iniciais de melhoramento vegetal. 520 $aThe objective of this work was to compare the relative efficiency of initial selection and genetic parameter estimation, using augmented blocks design (ABD), augmented blocks twice replicated design (DABD) and group of randomised block design experiments with common treatments (ERBCT), by simulations, considering fixed effect model and mixed model with regular treatment effects as random. For the simulations, eight different conditions (scenarios) were considered. From the 600 simulations in each scenario, the mean percentage selection coincidence, the Pearsons´s correlation estimates between adjusted means for the fixed effects model, and the heritability estimates for the mixed model were evaluated. DABD and ERBCT were very similar in their comparisons and slightly superior to ABD. Considering the initial stages of selection in a plant breeding program, ABD is a good alternative for selecting superior genotypes, although none of the designs had been effective to estimate heritability in all the different scenarios evaluated. 650 $aheritability 650 $asugarcane 650 $aSeleção 653 $aaugmented design 653 $abloco incompleto 653 $acana-de-açúcar 653 $adelineamento aumentado 653 $aherdabilidade 653 $aincomplete block 653 $aselection 653 $asimulação estocástica 653 $astochastic simulation 700 1 $aPETERNELLI, L. A. 700 1 $aBARBOSA, M. H. P. 773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 41, n. 3, p. 369-375, mar. 2006
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Embrapa Unidades Centrais (AI-SEDE) |
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