Data/hora: 16/06/2024 19:11:14

Provedor de dados: 	86	
País: 	Brazil	
Título: 	Genetic characterization of ninety elite soybean cultivars using coefficient of parentage	
Autores: 	Miranda,Zilda de Fátima Sgobero; Arias,Carlos Alberto Arrabal; Prete,Cássio Egidio Cavenaghi; Kiihl,Romeu Afonso de Souza; Almeida,Leones Alves de; Toledo,José Francisco Ferraz de; Destro,Deonisio.	
Data: 	2007-03-01	
Ano: 	2007	
Palavras-chave: 	Glycine max; Effective population size; Genetic similarity; Parentage coefficient.	
Resumo: 	The objective of this work was to estimate the coefficient of parentage and to understand the genetic structure of 90 elite soybean cultivars, which are adapted to different Brazilian environments. A total of 4,005 coefficients of parentage (f) were obtained and used to group the cultivars by UPGMA method. The constructed dendrogram showed several related cultivar groups which shared similar ancestors and clearly showed the genetic structure of the main Brazilian cultivars. Effective population sizes (Ne) were also estimated for cultivars in different generations. The average f = 0.2124 value, obtained from cultivars classified into four decades according to the release year, suggested effective soybean population sizes of 11 and 13 calculated using arithmetic and weighted means, respectively. The relatively small Ne and the high parentage coefficient support the conclusion that there is a high similarity degree among the main soybean cultivars in Brazil.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2007000300009	
Editor: 	Embrapa Secretaria de Pesquisa e Desenvolvimento

Pesquisa Agropecuária Brasileira	
Relação: 	10.1590/S0100-204X2007000300009	
Formato: 	text/html	
Fonte: 	Pesquisa Agropecuária Brasileira  v.42 n.3 2007	
Fonte: 	info:eu-repo/semantics/openAccess