Epistatic effects on grain yield of soybean [Glycine max (L.) Merrill].

dc.contributorMARCO ANTONIO ACEVEDO BARONA, INIA; JOSE MANOEL COLOMBARI FILHO, CNPAF; VANDERLEI DA SILVA SANTOS, CNPMF; ISAIAS OLÍVIO GERALDI, ESALQ.
dc.creatorBARONA, M. A. A.
dc.creatorCOLOMBARI FILHO, J. M.
dc.creatorSANTOS, V. da S.
dc.creatorGERALDI, I. O.
dc.date2013-01-22T11:11:11Z
dc.date2013-01-22T11:11:11Z
dc.date2013-01-22
dc.date2012
dc.date2013-01-22T11:11:11Z
dc.date.accessioned2026-06-30T23:59:22Z
dc.descriptionStudies addressing the estimation of genetic parameters in soybean have not emphasized the epistatic effects. The purpose of this study was to estimate the significance of these effects on soybean grain yield, based on the Modified Triple Test Cross design. Thirty-two inbred lines derived from a cross between two contrasting lines were used, which were crossed with two testers (L1 and L2). The experiments were carried out at two locations, in 10 x 10 triple lattice designs with 9 replications, containing 32 lines (Pi ), 64 crosses (32 Pi x L1 and 32 Pi x L2 ) and controls. The variation between ( L li + L 2i - P i ) revealed the presence of epistasis, as well as an interaction of epistasis x environment. Since the predominant component of epistasis in autogamous species is additive x additive (i type), we suggest postponing the selection for grain yield to later generations of inbreeding in order to exploit the beneficial effects of additive x additive epistasis.
dc.identifierCrop Breeding and Applied Biotechnology, v. 12, n. 4, p. 231-236, 2012.
dc.identifierhttp://www.alice.cnptia.embrapa.br/alice/handle/doc/945909
dc.identifier.urihttp://hdl.handle.net/123456789/394834
dc.languageeng
dc.rightsopenAccess
dc.subjectRegulação da expressão genética
dc.subjectSoybean
dc.subjectSoja
dc.subjectGene
dc.subjectInteração genética
dc.subjectEpistasis
dc.subjectGene expression regulation
dc.subjectGenotype-environment interaction
dc.titleEpistatic effects on grain yield of soybean [Glycine max (L.) Merrill].
dc.typeArtigo de periódico

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