Data/hora: 07/06/2024 12:16:37

Provedor de dados: 	86	
País: 	Brazil	
Título: 	QTLs for resistance to soybean cyst nematode, races 3, 9, and 14 in cultivar Hartwig	
Autores: 	Ferreira,Marcia Flores da Silva; Cervigni,Gerardo Domingo Lucio; Ferreira,Adésio; Schuster,Ivan; Santana,Fernanda Abreu; Pereira,Waldir Dias; Barros,Everaldo Gonçalves de; Moreira,Maurilio Alves.	
Data: 	2011-04-01	
Ano: 	2011	
Palavras-chave: 	Glycine max; Breeding; Marker-assisted selection; Molecular markers.	
Resumo: 	The objective of this work was to identify major and minor-effect quantitative trait loci (QTL) for resistance to races 3, 9, and 14 of soybean cyst nematode (SCN) in Hartwig cultivar; to map new resistance QTLs for these races; and to check for the existence of epistatic interactions between QTLs. Cultivar Hartwig is an important resistance source to SCN. Recombinant inbred lines (RIL) obtained from a cross between 'Hartwig' (resistant) and Y23 (susceptible) were evaluated regarding resistance to the three races. New genomic regions for resistance to SCN were identified by microsatellites. Four QTLs, which explained between 12 and 34% of phenotypic variance, were detected for resistance to race 3 in linkage groups (LG) A2, G, J, and M. The QTL in LG G is also important for resistance to race 9. Epistatic interactions were detected between loci, which indicate resistance to races 9 and 14. There are high and low-effect resistance QTLs to SCN.	
Tipo: 	Info:eu-repo/semantics/article	
Idioma: 	Inglês	
Identificador: 	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2011000400012	
Editor: 	Embrapa Secretaria de Pesquisa e Desenvolvimento

Pesquisa Agropecuária Brasileira	
Relação: 	10.1590/S0100-204X2011000400012	
Formato: 	text/html	
Fonte: 	Pesquisa Agropecuária Brasileira  v.46 n.4 2011	
Fonte: 	info:eu-repo/semantics/openAccess