| |
|
|
|
Registro Completo |
|
Biblioteca(s): |
Embrapa Unidades Centrais. |
|
Data corrente: |
02/01/2019 |
|
Data da última atualização: |
25/02/2019 |
|
Autoria: |
CARGNELUTTI FILHO, A.; TOEBE, M.; ALVES, B. M.; KLEINPAUL, J. A.; NEU, I. M. M. |
|
Afiliação: |
Alberto Cargnelutti Filho, Universidade Federal de Santa Maria - UFSM/Departamento de Fitotecnia; Marcos Toebe, Universidade Federal de Santa Maria - UFSM/Departamento de Ciências Agronômicas e Ambientais; Bruna Mendonça Alves, Universidade Federal de Santa Maria - UFSM/Departamento de Fitotecnia; Jéssica Andiara Kleinpaul, Universidade Federal de Santa Maria - UFSM/Departamento de Fitotecnia; Ismael Mario Marcio Neu, Universidade Federal de Santa Maria - UFSM/Departamento de Fitotecnia. |
|
Título: |
Number of replicates and experimental precision statistics in corn. |
|
Ano de publicação: |
2018 |
|
Fonte/Imprenta: |
Pesquisa Agropecuária Brasileira, Brasília, DF, v. 53, n. 11, p. 1213-1221, Nov. 2018. |
|
Idioma: |
Inglês |
|
Notas: |
Título em português: Número de repetições e estatísticas de precisão experimental em milho. |
|
Conteúdo: |
The objective of this work was to evaluate the influence of the number of replicates on experimental precision in corn (Zea mays). Data on the grain yield of 15 corn cultivars, evaluated in a randomized complete block design, with nine replicates (r = 9), were used. From the experiment with nine replicates, further experiments were conducted with combinations of 2, 3, ..., r-1 replicates. The analysis of variance was carried out for each experiment. Experimental precision statistics and central tendency and variability measures were calculated, dispersion diagrams were prepared, and models of these statistics were adjusted as a function of the number of replicates. The number of replicates was determined by the visual analysis of the graphs with the experimental precision statistics. Increasing the number of replicates improves the estimates of experimental precision but decreases gains. Therefore, the increase in the number of replicates is important to improve corn cultivar discrimination. Six replicates are recommended as the benchmark for experiments with corn cultivars. Fasoulas? differentiation index, based on the percentage of significant contrasts, is an appropriate statistic for evaluating experimental precision. |
|
Palavras-Chave: |
Cultivar discrimination; Diferença mínima significativa; Discriminação de cultivares; Fasoulas index; Índice de Fasoulas; Least significant difference. |
|
Thesagro: |
Zea Mays. |
|
Categoria do assunto: |
-- |
|
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/189568/1/Number-of-replicates-and-experimental.pdf
|
|
Marc: |
LEADER 02156naa a2200265 a 4500
001 2102742
005 2019-02-25
008 2018 bl uuuu u00u1 u #d
100 1 $aCARGNELUTTI FILHO, A.
245 $aNumber of replicates and experimental precision statistics in corn.$h[electronic resource]
260 $c2018
500 $aTítulo em português: Número de repetições e estatísticas de precisão experimental em milho.
520 $aThe objective of this work was to evaluate the influence of the number of replicates on experimental precision in corn (Zea mays). Data on the grain yield of 15 corn cultivars, evaluated in a randomized complete block design, with nine replicates (r = 9), were used. From the experiment with nine replicates, further experiments were conducted with combinations of 2, 3, ..., r-1 replicates. The analysis of variance was carried out for each experiment. Experimental precision statistics and central tendency and variability measures were calculated, dispersion diagrams were prepared, and models of these statistics were adjusted as a function of the number of replicates. The number of replicates was determined by the visual analysis of the graphs with the experimental precision statistics. Increasing the number of replicates improves the estimates of experimental precision but decreases gains. Therefore, the increase in the number of replicates is important to improve corn cultivar discrimination. Six replicates are recommended as the benchmark for experiments with corn cultivars. Fasoulas? differentiation index, based on the percentage of significant contrasts, is an appropriate statistic for evaluating experimental precision.
650 $aZea Mays
653 $aCultivar discrimination
653 $aDiferença mínima significativa
653 $aDiscriminação de cultivares
653 $aFasoulas index
653 $aÍndice de Fasoulas
653 $aLeast significant difference
700 1 $aTOEBE, M.
700 1 $aALVES, B. M.
700 1 $aKLEINPAUL, J. A.
700 1 $aNEU, I. M. M.
773 $tPesquisa Agropecuária Brasileira, Brasília, DF$gv. 53, n. 11, p. 1213-1221, Nov. 2018.
Download
Esconder MarcMostrar Marc Completo |
|
Registro original: |
Embrapa Unidades Centrais (AI-SEDE) |
|
|
Biblioteca |
ID |
Origem |
Tipo/Formato |
Classificação |
Cutter |
Registro |
Volume |
Status |
URL |
Voltar
|
|
|
| Registros recuperados : 3 | |
| 1. |  | CARGNELUTTI FILHO, A.; TOEBE, M.; ALVES, B. M.; KLEINPAUL, J. A.; NEU, I. M. M. Number of replicates and experimental precision statistics in corn. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 53, n. 11, p. 1213-1221, Nov. 2018. Título em português: Número de repetições e estatísticas de precisão experimental em milho.| Biblioteca(s): Embrapa Unidades Centrais. |
|    |
| 2. | | CARGNELUTTI FILHO, A.; STORCK, L.; TOEBE, M.; BURIN, C.; ALVES, B. M.; FACCO, G.; NEU, I M. M. Precisão experimental relacionada a tamanhos de parcelas, números de tratamentos e repetições em nabo forrageiro. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 49, n. 6, p. 428-439, jun. 2014. Título em inglês: Experimental precision related to plot sizes, numbers of treatments and replicates in forage turnip.| Biblioteca(s): Embrapa Unidades Centrais. |
| |
| Registros recuperados : 3 | |
|
| Nenhum registro encontrado para a expressão de busca informada. |
|
|
