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Registro Completo |
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Biblioteca(s): |
Embrapa Agroenergia. |
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Data corrente: |
05/12/2022 |
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Data da última atualização: |
05/12/2022 |
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Tipo da produção científica: |
Artigo de Divulgação na Mídia |
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Autoria: |
LOPES, M. A. |
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Afiliação: |
MAURICIO ANTONIO LOPES, CNPAE. |
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Título: |
Ciência e conhecimento para um mundo com 8 bilhões de habitantes. |
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Ano de publicação: |
2022 |
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Fonte/Imprenta: |
Correio Braziliense, Brasília, DF, 13 nov. 2022. Opinião. |
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Idioma: |
Português |
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Thesagro: |
Alimentação; Desenvolvimento Sustentável; Ecossistema; Evolução da População; Mudança Climática; Saúde Pública. |
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Categoria do assunto: |
-- |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/doc/1149195/1/Ciencia-e-conhecimento.pdf
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Marc: |
LEADER 00553nam a2200169 a 4500
001 2149195
005 2022-12-05
008 2022 bl uuuu u00u1 u #d
100 1 $aLOPES, M. A.
245 $aCiência e conhecimento para um mundo com 8 bilhões de habitantes.$h[electronic resource]
260 $aCorreio Braziliense, Brasília, DF, 13 nov. 2022. Opinião.$c2022
650 $aAlimentação
650 $aDesenvolvimento Sustentável
650 $aEcossistema
650 $aEvolução da População
650 $aMudança Climática
650 $aSaúde Pública
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Registro original: |
Embrapa Agroenergia (CNPAE) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Milho e Sorgo. Para informações adicionais entre em contato com cnpms.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Milho e Sorgo. |
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Data corrente: |
24/12/1996 |
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Data da última atualização: |
03/02/2014 |
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Autoria: |
GAMA, E. E. G. e. |
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Afiliação: |
EMBRAPA/CNPMS. |
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Título: |
Relationship between inbred and hybrid performance in maize. |
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Ano de publicação: |
1976 |
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Fonte/Imprenta: |
Ames: Iowa State University, 1976. |
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Páginas: |
81 p. |
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Idioma: |
Inglês |
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Notas: |
Tese Mestrado. |
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Conteúdo: |
An unselected group of 247 inbred lines was developed from Iowa Stiff Stalk Synthetic (BSSS). This was accomphished by selfing 250 unselected S0 plants and carried on until the S7 generation when the plants were approximately homozygous. During the inbreeding development three lines were lost. The resulting 247 S7 lines represent on of the two genetic materials that I used in my correlation studies. The second genetic materials was the resultant F1's single-cross when using 160 of the 247 inbred lines in a cross (Design II) classification mating design. Hence, those two genetic materials were composed of two groups os plants, 160 inbred lines and 329 F1's single-cross. I used in my correlation studies, therefore, only 160 inbreds instead of 247 unselectedinbred lines. The main objectives of my study were the following; (1) to estimate the simple correlations between the traits of the inbred lines per se and the mean value of the same traits of F1 crosses, and (2) to estimate the simple correlation between the traits of F1 crosses and the mean of the same traits in the two parental inbred lines. Those simple correlation estimates 1 and 2 were compared in two different ways: (a) between traits of the inbred lines and the means of the same traits in their hybrids, and (2) between traits of the inbred lines and the mean in their hybrids; (3) to estimate the coefficient of multiple correlation between the traits of the inbred lines per se and the mean value of the same traits in their hybrids; (...) MenosAn unselected group of 247 inbred lines was developed from Iowa Stiff Stalk Synthetic (BSSS). This was accomphished by selfing 250 unselected S0 plants and carried on until the S7 generation when the plants were approximately homozygous. During the inbreeding development three lines were lost. The resulting 247 S7 lines represent on of the two genetic materials that I used in my correlation studies. The second genetic materials was the resultant F1's single-cross when using 160 of the 247 inbred lines in a cross (Design II) classification mating design. Hence, those two genetic materials were composed of two groups os plants, 160 inbred lines and 329 F1's single-cross. I used in my correlation studies, therefore, only 160 inbreds instead of 247 unselectedinbred lines. The main objectives of my study were the following; (1) to estimate the simple correlations between the traits of the inbred lines per se and the mean value of the same traits of F1 crosses, and (2) to estimate the simple correlation between the traits of F1 crosses and the mean of the same traits in the two parental inbred lines. Those simple correlation estimates 1 and 2 were compared in two different ways: (a) between traits of the inbred lines and the means of the same traits in their hybrids, and (2) between traits of the inbred lines and the mean in their hybrids; (3) to estimate the coefficient of multiple correlation between the traits of the inbred lines per se and the mean value of the same traits i... Mostrar Tudo |
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Palavras-Chave: |
Maize; Milho hybrido. |
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Thesagro: |
Genética; Melhoramento; Milho; Performance; Zea Mays. |
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Thesaurus NAL: |
breeding; genetics. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 02105nam a2200241 a 4500
001 1473294
005 2014-02-03
008 1976 bl uuuu m 00u1 u #d
100 1 $aGAMA, E. E. G. e
245 $aRelationship between inbred and hybrid performance in maize.
260 $aAmes: Iowa State University$c1976
300 $a81 p.
500 $aTese Mestrado.
520 $aAn unselected group of 247 inbred lines was developed from Iowa Stiff Stalk Synthetic (BSSS). This was accomphished by selfing 250 unselected S0 plants and carried on until the S7 generation when the plants were approximately homozygous. During the inbreeding development three lines were lost. The resulting 247 S7 lines represent on of the two genetic materials that I used in my correlation studies. The second genetic materials was the resultant F1's single-cross when using 160 of the 247 inbred lines in a cross (Design II) classification mating design. Hence, those two genetic materials were composed of two groups os plants, 160 inbred lines and 329 F1's single-cross. I used in my correlation studies, therefore, only 160 inbreds instead of 247 unselectedinbred lines. The main objectives of my study were the following; (1) to estimate the simple correlations between the traits of the inbred lines per se and the mean value of the same traits of F1 crosses, and (2) to estimate the simple correlation between the traits of F1 crosses and the mean of the same traits in the two parental inbred lines. Those simple correlation estimates 1 and 2 were compared in two different ways: (a) between traits of the inbred lines and the means of the same traits in their hybrids, and (2) between traits of the inbred lines and the mean in their hybrids; (3) to estimate the coefficient of multiple correlation between the traits of the inbred lines per se and the mean value of the same traits in their hybrids; (...)
650 $abreeding
650 $agenetics
650 $aGenética
650 $aMelhoramento
650 $aMilho
650 $aPerformance
650 $aZea Mays
653 $aMaize
653 $aMilho hybrido
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Embrapa Milho e Sorgo (CNPMS) |
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