Data/hora: 02/06/2024 05:33:02

Provedor de dados: 	1	
País: 	Brazil	
Título: 	Genetic variability and progeny selection of peach palm via mixed models (REML / BLUP)	
Autores: 	Rodrigues, Haroldo Silva; Cruz, Cosme Damião; Macêdo, Jeferson Luis Vasconcelos de; Resende, Marcos Deon Vilela de; Lopes, Ricardo; Borém, Aluízio.	
Data: 	2017-04-11	
Ano: 	2017	
Palavras-chave: 	5.01.03.05-9 heart of palm; Perennial breeding; Amazon. Melhoramento Vegetal.	
Resumo: 	Heart of palm harvesting and exploitation has reduced the natural reserves of açaí and juçara; hence, the peach palm is an excellent option as source of heart of palm that can reduce the pressure on these two species. The peach palm has high tillering and no post-harvest oxidation. An experiment in a randomized block design with 72 progenies of peach palm, 36 replications and a single tree plot was performed for five years at the experimental field of Embrapa in the Western Amazon. Genetic parameters were estimated using two mixed models, one based on progeny means and the second on joint information from crops. A repeatability analysis, genotype selection, and progeny selection were performed; the Mulamba and Mock selection index was determined; and Tocher’s clustering method was applied. The repeatability analysis revealed the existence of genetic variability, low repeatability, which ranged from 0.3307 to 0.6698 for five years. The analysis performed through the progeny means showed a heritability that varied from 51% to 23% for in all variables; the clustering revealed two groups. The progeny selection should be the main selection strategy, and crosses of superior progenies of different groups should be emphasized. 	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32495

10.4025/actasciagron.v39i2.32495	
Editor: 	Universidade Estadual de Maringá	
Relação: 	http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/32495/pdf	
Formato: 	application/pdf	
Fonte: 	Acta Scientiarum. Agronomy; v. 39, n. 2 (2017); 165-173

Acta Scientiarum. Agronomy; v. 39, n. 2 (2017); 165-173

1807-8621

1679-9275	
Fonte: 	Direitos autorais 2017 Acta Scientiarum. Agronomy