|
|
Registro Completo |
Biblioteca(s): |
Embrapa Gado de Leite. |
Data corrente: |
17/08/2021 |
Data da última atualização: |
17/08/2021 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
RODRIGUES, E. V.; DAHER, R. F.; GRAVINA, G. de A.; VIANA, A. P.; ARAUJO, M. do S. B. de; OLIVEIRA, M. L. F.; VIVAS, M.; MENEZES, B. R. da S.; PEREIRA, A. V. |
Afiliação: |
ERINA VITÓRIO RODRIGUES, Universidade de Brasília; ROGÉRIO FIGUEIREDO DAHER, Universidade Estadual do Norte Fluminense Darcy Ribeiro; GERALDO DE AMARAL GRAVINA, Universidade Estadual do Norte Fluminense Darcy Ribeiro; ALEXANDRE PIO VIANA, Universidade Estadual do Norte Fluminense Darcy Ribeiro; MARIA DO SOCORRO BEZERRA DE ARAÚJO, Universidade Estadual do Norte Fluminense Darcy Ribeiro; MARIA LORRAINE FONSECA OLIVEIRA, Universidade Estadual do Norte Fluminense Darcy Ribeiro; MARCELO VIVAS, Universidade Estadual do Norte Fluminense Darcy Ribeiro; BRUNA RAFAELA DA SILVA MENEZES, Universidade Estadual do Norte Fluminense Darcy Ribeiro; ANTONIO VANDER PEREIRA, CNPGL. |
Título: |
Repeatability estimates and minimum number of evaluations for selection of elephant-grass genotypes for forage production. |
Ano de publicação: |
2020 |
Fonte/Imprenta: |
Bioscience Journal, v. 36, n. 1, p. 30-41, Jan./Feb. 2020. |
DOI: |
http://dx.doi.org/10.14393/BJ-v36n1a2020-42075 |
Idioma: |
Inglês |
Conteúdo: |
In forage-plants breeding, the selection of superior genotypes has been undertaken through successive harvests in previously established intervals. However, this process involves many steps, the evaluation of many traits, and a great spending with costs and labor. Thus the estimate of the repeatability is essential in improvement of perennials, it allows predicting genotypic value of the individual, the minimum number of evaluations in the selection of genotypes and minimizes resources and time in the selection of promising individuals. The objective of this study was to estimate the repeatability coefficient for morphological traits in elephant grass and determine the number of evaluations needed for phenotypic selection more efficient. The experimental randomized block design with 53 genotypes and two replications. The repeatability coefficients were estimated for variables plant height, number of tillers, stem diameter and dry matter yield, using the methods of Anova, Principal Components and Structural Analysis. We observed significant differences between genotypes (P <0.01) for all variables. The main components provide larger estimates of repeatability when compared to other methods. Estimates of the repeatability coefficients are of high magnitude average for the variables plant height (0.44) number of tillers (0.44) and stem diameter (0.63) and low magnitude for dry matter production (0.27). The Principal Components method requires five, five, two and eleven measurements for plant height, number of tillers, stem diameter and dry matter yield, respectively, with 80% reliability. MenosIn forage-plants breeding, the selection of superior genotypes has been undertaken through successive harvests in previously established intervals. However, this process involves many steps, the evaluation of many traits, and a great spending with costs and labor. Thus the estimate of the repeatability is essential in improvement of perennials, it allows predicting genotypic value of the individual, the minimum number of evaluations in the selection of genotypes and minimizes resources and time in the selection of promising individuals. The objective of this study was to estimate the repeatability coefficient for morphological traits in elephant grass and determine the number of evaluations needed for phenotypic selection more efficient. The experimental randomized block design with 53 genotypes and two replications. The repeatability coefficients were estimated for variables plant height, number of tillers, stem diameter and dry matter yield, using the methods of Anova, Principal Components and Structural Analysis. We observed significant differences between genotypes (P <0.01) for all variables. The main components provide larger estimates of repeatability when compared to other methods. Estimates of the repeatability coefficients are of high magnitude average for the variables plant height (0.44) number of tillers (0.44) and stem diameter (0.63) and low magnitude for dry matter production (0.27). The Principal Components method requires five, five, two and eleven measurem... Mostrar Tudo |
Palavras-Chave: |
Coefficient of determination; Dry matter yield; Main components. |
Thesagro: |
Capim Elefante; Forragem; Matéria Seca; Pennisetum Purpureum. |
Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/225234/1/Repeatability-estimates.pdf
|
Marc: |
LEADER 02605naa a2200313 a 4500 001 2133624 005 2021-08-17 008 2020 bl uuuu u00u1 u #d 024 7 $ahttp://dx.doi.org/10.14393/BJ-v36n1a2020-42075$2DOI 100 1 $aRODRIGUES, E. V. 245 $aRepeatability estimates and minimum number of evaluations for selection of elephant-grass genotypes for forage production.$h[electronic resource] 260 $c2020 520 $aIn forage-plants breeding, the selection of superior genotypes has been undertaken through successive harvests in previously established intervals. However, this process involves many steps, the evaluation of many traits, and a great spending with costs and labor. Thus the estimate of the repeatability is essential in improvement of perennials, it allows predicting genotypic value of the individual, the minimum number of evaluations in the selection of genotypes and minimizes resources and time in the selection of promising individuals. The objective of this study was to estimate the repeatability coefficient for morphological traits in elephant grass and determine the number of evaluations needed for phenotypic selection more efficient. The experimental randomized block design with 53 genotypes and two replications. The repeatability coefficients were estimated for variables plant height, number of tillers, stem diameter and dry matter yield, using the methods of Anova, Principal Components and Structural Analysis. We observed significant differences between genotypes (P <0.01) for all variables. The main components provide larger estimates of repeatability when compared to other methods. Estimates of the repeatability coefficients are of high magnitude average for the variables plant height (0.44) number of tillers (0.44) and stem diameter (0.63) and low magnitude for dry matter production (0.27). The Principal Components method requires five, five, two and eleven measurements for plant height, number of tillers, stem diameter and dry matter yield, respectively, with 80% reliability. 650 $aCapim Elefante 650 $aForragem 650 $aMatéria Seca 650 $aPennisetum Purpureum 653 $aCoefficient of determination 653 $aDry matter yield 653 $aMain components 700 1 $aDAHER, R. F. 700 1 $aGRAVINA, G. de A. 700 1 $aVIANA, A. P. 700 1 $aARAUJO, M. do S. B. de 700 1 $aOLIVEIRA, M. L. F. 700 1 $aVIVAS, M. 700 1 $aMENEZES, B. R. da S. 700 1 $aPEREIRA, A. V. 773 $tBioscience Journal$gv. 36, n. 1, p. 30-41, Jan./Feb. 2020.
Download
Esconder MarcMostrar Marc Completo |
Registro original: |
Embrapa Gado de Leite (CNPGL) |
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
Registros recuperados : 9 | |
1. | | VIEIRA, M. E.; ALVES, R. M.; FREITAS, M. S. M.; VIÉGAS, I. de J. M.; CHAVES, S. F. da S.; PEÇANHA, D. A.; VIVAS, M. Selection of cupuassu tree clones for fruit quality. Revista Brasileira de Ciências Agrária, v. 17, n. 2, e1948, 2022.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Amazônia Oriental. |
| |
2. | | CARIAS, C. M. de O.; GRAVINA, G. do A.; FERRAO, M. A. G.; FONSECA, A. F. A. da; FERRÃO, R. G.; VIVAS, M.; VIANA, A. P. Predição de ganhos genéticos via modelos mistos em progênies de café Conilon. Coffee Science, Lavras, v. 11, n. 1, p. 39-45, jan./mar. 2016.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 2 |
Biblioteca(s): Embrapa Café. |
| |
3. | | GERHARDT, I. F. S.; AMARAL JÚNIOR, A. T. do; PENA, G. F.; GUIMARAES, L. J. M.; LIMA, V. J. de; VIVAS, M.; SANTOS, P. H. A. D.; FERREIRA, F. R. A.; FREITAS, M. S. M.; KAMPHORST, S. H. Genetic effects on the efficiency and responsiveness to phosphorus use in popcorn as estimated by diallel analysis. Plos ONE, v. 14, n. 5, e0216980, May 2019.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 1 |
Biblioteca(s): Embrapa Milho e Sorgo. |
| |
4. | | RODRIGUES, E. V.; DAHER, R. F.; GRAVINA, G. de A.; VIANA, A. P.; ARAUJO, M. do S. B. de; OLIVEIRA, M. L. F.; VIVAS, M.; MENEZES, B. R. da S.; PEREIRA, A. V. Repeatability estimates and minimum number of evaluations for selection of elephant-grass genotypes for forage production. Bioscience Journal, v. 36, n. 1, p. 30-41, Jan./Feb. 2020.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Gado de Leite. |
| |
5. | | RODRIGUES, E. V.; DAHER, R. F.; SANTOS, A. dos; VIVAS, M.; MACHADO, J. C.; GRAVINA, G. D. A.; SOUZA, Y. P. de; VIDAL, A. K.; ROCHA, A. D. S.; FREITAS, R. S. Selecting elephant grass families and progenies to produce bioenergy through mixed models (REML/BLUP). Genetics and Molecular Research, v. 16, n. 2, 2017. 12 p.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Gado de Leite. |
| |
6. | | STIDA, W. F.; ALMEIDA, B. de O.; DAHER, R. F.; MORAES, C. R. de O.; VIDAL, A. K. F.; FREITAS, R. S.; TARDIN, F. D.; MENEZES, B. R. da S.; FURLANI, E. P.; VIVAS, M. Effect of nitrogen and potassium fertilization doses on elephant-grass genotypes for energy purposes. Journal of Agricultural Science, v. 10, n. 10, p. 446-459, 2018.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Milho e Sorgo. |
| |
7. | | CRUZ, L. L. da; GONÇALVES, G. M. B.; GLÓRIA, L. de L.; PEREIRA, S. M. de F.; CARLOS, L. de A.; VIVAS, M.; PEREIRA, M. G.; OLIVEIRA, D. B. de. Phenolic compounds, carotenoids, and antioxidant activity in a super-sweet corn hybrid. Pesquisa Agropecuária Brasileira, v. 57, e02663, 2022. Título em português: Compostos fenólicos, carotenoides e atividade antioxidante em híbrido de milho superdoce.Biblioteca(s): Embrapa Unidades Centrais. |
| |
8. | | CRUZ, D. P. da; GRAVINA, G. de A.; VIVAS, M.; ENTRINGER, G. C.; SOUZA, Y. P. de; ROCHA, R. S.; JAEGGI, M. E. P. da C.; ALBUQUERQUE, D. P.; AMARAL JUNIOR, A. T. do; GRAVINA, L. M.; ROCHA, M. de M.; SILVA, R. de K. G. da. Combined selection for adaptability, genotypic stability and cowpea yield from mixed models. Ciência Rural, Santa Maria, v. 51, n. 9, e20200540, 2021.Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
Biblioteca(s): Embrapa Meio-Norte. |
| |
9. | | VIDAL, A.-K. F.; DAHER, R. F.; FREITAS, R. S.; STIDA, W. S.; LEDO, F. J. da S.; SILVA, V. B. da; ENTRINGER, G. C.; TARDIN, F. D.; GRAVINA, G. de A.; VIVAS, M.; SOUZA, A. G. de; AMBRÓSIO, M.; SANTANA, J.-G. da S.; FARIASA, J. E. C. Growth curve in elephant grass genotypes based on morpho-agronomic traits for energy production. Chilean Journal of Agricultural Research, v. 82, n. 1, p. 78-87, 2022.Tipo: Artigo em Periódico Indexado | Circulação/Nível: B - 1 |
Biblioteca(s): Embrapa Gado de Leite; Embrapa Milho e Sorgo. |
| |
Registros recuperados : 9 | |
|
Nenhum registro encontrado para a expressão de busca informada. |
|
|