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Registro Completo |
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
07/11/1997 |
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Data da última atualização: |
11/06/2018 |
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Autoria: |
GAMA, E. E. G. e; HALLAUER, A. R.; LOPES, M. A.; PARENTONI, S. N.; SANTOS, M. X. dos; GUIMARAES, P. E. O. |
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Afiliação: |
EMBRAPA/CNPMS; SIDNEY NETTO PARENTONI, CNPMS; PAULO EVARISTO DE O GUIMARAES, CNPMS. |
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Título: |
Combining ability among fifteen early cycle maize populations in Brazil. |
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Ano de publicação: |
1995 |
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Fonte/Imprenta: |
Revista Brasileira de Genética, Ribeirão Preto, v. 18, n. 4, p. 569-577, 1995. |
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Idioma: |
Inglês |
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Conteúdo: |
Early maturity maize (Zea mays L.) populations are used in short growing seasons areas, and their use is gradually increasing in tropical areas. The objective of this study was to determine the genetic potential of 15 early maturity maize populations in a diallel crossing system. The 15 parents, 105 diallel crosses among parents, and selfed generation of parental were evaluated in a triple lattice design at 13 locations in Brazil. The combined analysis of variance for grain yield, time to tassel, and plant height indicated highly significant (P < 0.01) differences for entries, parents, heterosis, parent heterosis, specific heterosis and for the first-order interactions with environments. Average heterosis was highly significant for grain yield, significant(P < 0,05) for time to tassel, and not significant for plant height. Mean yield ranged from 3187 to 5213 kg/ha for populations, and ranged from 3041 to 6017 kg/ha for the population crosses. Population Pool 17 had the largest inbreeding depression effects, whereas population ACMS 52 had the smallest inbreeding depression effects. The highest specific cross for grain yield was for Across 8528 x Pool 18. None of the population crosses was superior to the hybrid checks for the three traits. No association was found between endosperm type and heterosis. The results suggest that either the population themselves or the synthetic composition of selected populations can be used for breeding purposes. |
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Palavras-Chave: |
Brasil. |
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Thesagro: |
Melhoramento; Milho; Zea Mays. |
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Thesaurus Nal: |
Brazil; breeding. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/38342/1/Combining-ability.pdf
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Marc: |
LEADER 02184naa a2200253 a 4500
001 1477190
005 2018-06-11
008 1995 bl uuuu u00u1 u #d
100 1 $aGAMA, E. E. G. e
245 $aCombining ability among fifteen early cycle maize populations in Brazil.$h[electronic resource]
260 $c1995
520 $aEarly maturity maize (Zea mays L.) populations are used in short growing seasons areas, and their use is gradually increasing in tropical areas. The objective of this study was to determine the genetic potential of 15 early maturity maize populations in a diallel crossing system. The 15 parents, 105 diallel crosses among parents, and selfed generation of parental were evaluated in a triple lattice design at 13 locations in Brazil. The combined analysis of variance for grain yield, time to tassel, and plant height indicated highly significant (P < 0.01) differences for entries, parents, heterosis, parent heterosis, specific heterosis and for the first-order interactions with environments. Average heterosis was highly significant for grain yield, significant(P < 0,05) for time to tassel, and not significant for plant height. Mean yield ranged from 3187 to 5213 kg/ha for populations, and ranged from 3041 to 6017 kg/ha for the population crosses. Population Pool 17 had the largest inbreeding depression effects, whereas population ACMS 52 had the smallest inbreeding depression effects. The highest specific cross for grain yield was for Across 8528 x Pool 18. None of the population crosses was superior to the hybrid checks for the three traits. No association was found between endosperm type and heterosis. The results suggest that either the population themselves or the synthetic composition of selected populations can be used for breeding purposes.
650 $aBrazil
650 $abreeding
650 $aMelhoramento
650 $aMilho
650 $aZea Mays
653 $aBrasil
700 1 $aHALLAUER, A. R.
700 1 $aLOPES, M. A.
700 1 $aPARENTONI, S. N.
700 1 $aSANTOS, M. X. dos
700 1 $aGUIMARAES, P. E. O.
773 $tRevista Brasileira de Genética, Ribeirão Preto$gv. 18, n. 4, p. 569-577, 1995.
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Registro original: |
Embrapa Milho e Sorgo (CNPMS) |
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Registro |
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Voltar
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Recursos Genéticos e Biotecnologia. Para informações adicionais entre em contato com cenargen.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Recursos Genéticos e Biotecnologia. |
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Data corrente: |
22/03/2011 |
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Data da última atualização: |
22/03/2011 |
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Tipo da produção científica: |
Resumo em Anais de Congresso |
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Autoria: |
SCHWARZSTEIN, N. T.; NAKASU, E. Y. T.; VIANA, A. A. B.; PAULA, A. W. M. DE; LOURENÇO, I. T.; MOURÃO, L.; SA, M. F. G. de. |
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Afiliação: |
UnB; Newcastle University; UCB; UCB; UnB; UnB; MARIA FATIMA GROSSI DE SA, CENARGEN. |
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Título: |
Análise comparativa do padrão de expressão dos promotores CaMV35S E UceA. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
In: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 15., 2010, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2010. Resumo 007. |
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Idioma: |
Português |
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Palavras-Chave: |
Promotor CaMV35Sd; Promotor UceA. |
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Thesagro: |
Nicotiana Tabacum; Planta. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00804nam a2200217 a 4500
001 1881938
005 2011-03-22
008 2010 bl uuuu u01u1 u #d
100 1 $aSCHWARZSTEIN, N. T.
245 $aAnálise comparativa do padrão de expressão dos promotores CaMV35S E UceA.
260 $aIn: ENCONTRO DO TALENTO ESTUDANTIL DA EMBRAPA RECURSOS GENÉTICOS E BIOTECNOLOGIA, 15., 2010, Brasília, DF. Anais: resumos dos trabalhos. Brasília, DF: Embrapa Recursos Genéticos e Biotecnologia, 2010. Resumo 007.$c2010
650 $aNicotiana Tabacum
650 $aPlanta
653 $aPromotor CaMV35Sd
653 $aPromotor UceA
700 1 $aNAKASU, E. Y. T.
700 1 $aVIANA, A. A. B.
700 1 $aPAULA, A. W. M. DE
700 1 $aLOURENÇO, I. T.
700 1 $aMOURÃO, L.
700 1 $aSA, M. F. G. de
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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