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Registro Completo |
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Biblioteca(s): |
Embrapa Agricultura Digital. |
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Data corrente: |
16/07/2009 |
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Data da última atualização: |
11/11/2010 |
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Autoria: |
FREITAS, S. de P.; AMARAL JÚNIOR, A. T.; RANGEL, R. M.; VIANA, A. P. |
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Afiliação: |
SILVÉRIO DE PAIVA FREITAS, UENF; ANTONIO TEIXEIRA DO AMARAL JÚNIOR, UENF; RAMON MACEDO RANGEL, UENF; ALEXANDRE PIO VIANA, UENF. |
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Título: |
Genetic gains in popcorn by full-sib recurrent selection. |
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Ano de publicação: |
2009 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, Londrina, v. 9, n. 1, p. 1-7, Mar. 2009. |
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Idioma: |
Inglês |
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Conteúdo: |
The purpose of this study was to investigate the genetic progress in the fourth selection cycle of full-sibpopcorn families. Two hundred families were evaluated for six agronomic traits, including grain yield (GY) and poppingexpansion (PE), in a random block design with two replications, in sets in two different environments: Campos dos Goytacazesand Itaocara, in the State of Rio de Janeiro. There were significant differences among families within sets in all traits,indicating the presence of genetic variability to be exploited in the future cycles. The family by environment in the sets for GYand PE was significant but simple, indicating the possibility of conducting a single breeding program for both locations. Therelease of the improved variety for producers of the Northern and Northwestern regions of the State of Rio de Janeiro isexpected after the fifth cycle. |
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Palavras-Chave: |
Ganhos genéticos; Lançamento de variedade; Melhoramento genético. |
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Thesagro: |
Agricultura; Biotecnologia; Genética; Milho Pipoca; Seleção Recorrente; Zea Mays. |
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Categoria do assunto: |
G Melhoramento Genético |
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Marc: |
LEADER 01628naa a2200265 a 4500
001 1083144
005 2010-11-11
008 2009 bl uuuu u00u1 u #d
100 1 $aFREITAS, S. de P.
245 $aGenetic gains in popcorn by full-sib recurrent selection.
260 $c2009
520 $aThe purpose of this study was to investigate the genetic progress in the fourth selection cycle of full-sibpopcorn families. Two hundred families were evaluated for six agronomic traits, including grain yield (GY) and poppingexpansion (PE), in a random block design with two replications, in sets in two different environments: Campos dos Goytacazesand Itaocara, in the State of Rio de Janeiro. There were significant differences among families within sets in all traits,indicating the presence of genetic variability to be exploited in the future cycles. The family by environment in the sets for GYand PE was significant but simple, indicating the possibility of conducting a single breeding program for both locations. Therelease of the improved variety for producers of the Northern and Northwestern regions of the State of Rio de Janeiro isexpected after the fifth cycle.
650 $aAgricultura
650 $aBiotecnologia
650 $aGenética
650 $aMilho Pipoca
650 $aSeleção Recorrente
650 $aZea Mays
653 $aGanhos genéticos
653 $aLançamento de variedade
653 $aMelhoramento genético
700 1 $aAMARAL JÚNIOR, A. T.
700 1 $aRANGEL, R. M.
700 1 $aVIANA, A. P.
773 $tCrop Breeding and Applied Biotechnology, Londrina$gv. 9, n. 1, p. 1-7, Mar. 2009.
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Embrapa Agricultura Digital (CNPTIA) |
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