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Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão; Embrapa Mandioca e Fruticultura. |
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Data corrente: |
11/01/2013 |
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Data da última atualização: |
05/05/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
BARONA, M. A. A.; COLOMBARI FILHO, J. M.; SANTOS, V. da S.; GERALDI, I. O. |
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Afiliação: |
MARCO ANTONIO ACEVEDO BARONA, INIA; JOSE MANOEL COLOMBARI FILHO, CNPAF; VANDERLEI DA SILVA SANTOS, CNPMF; ISAIAS OLÍVIO GERALDI, ESALQ. |
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Título: |
Epistatic effects on grain yield of soybean [Glycine max (L.) Merrill]. |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, v. 12, n. 4, p. 231-236, 2012. |
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Idioma: |
Inglês |
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Conteúdo: |
Studies 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. |
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Palavras-Chave: |
Regulação da expressão genética; Soybean. |
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Thesagro: |
Gene; Interação genética; Soja. |
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Thesaurus NAL: |
Epistasis; Gene expression regulation; Genotype-environment interaction. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/74917/1/cbab.pdf
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Marc: |
LEADER 01723naa a2200253 a 4500
001 1945909
005 2022-05-05
008 2012 bl uuuu u00u1 u #d
100 1 $aBARONA, M. A. A.
245 $aEpistatic effects on grain yield of soybean [Glycine max (L.) Merrill].
260 $c2012
520 $aStudies 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.
650 $aEpistasis
650 $aGene expression regulation
650 $aGenotype-environment interaction
650 $aGene
650 $aInteração genética
650 $aSoja
653 $aRegulação da expressão genética
653 $aSoybean
700 1 $aCOLOMBARI FILHO, J. M.
700 1 $aSANTOS, V. da S.
700 1 $aGERALDI, I. O.
773 $tCrop Breeding and Applied Biotechnology$gv. 12, n. 4, p. 231-236, 2012.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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