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| Registros recuperados : 1 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
19/08/2005 |
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Data da última atualização: |
07/04/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
SOARES, P. C.; MELO, P. G. S.; MELO, L. C.; SOARES, A. A. |
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Afiliação: |
PLINIO CESAR SOARES, EPAMIG; PATRÍCIA GUIMARÃES SANTOS MELO, UFG; LEONARDO CUNHA MELO, CNPAF; ANTÔNIO ALVES SOARES, UFLA. |
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Título: |
Genetic gain in an improvement program of irrigated rice in Minas Gerais. |
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Ano de publicação: |
2005 |
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Fonte/Imprenta: |
Crop Breeding and Applied Biotechnology, v. 5, n. 2, p. 142-148, June 2005. |
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Idioma: |
Inglês |
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Conteúdo: |
An evaluation of the genetic improvement programme of irrigated rice of Minas Gerais (Brazil) estimated the genetic gain obtained in the 90s. Grain yield data of the advanced comparative trials of cultivars and lines of continuously flooded rice, conducted from 1990-91 to 2000-01, were used. The estimate of the genetic gain was obtained by the methodology of the adjusted means proposed by Breseghello (1998). The mean annual genetic gain in the 90s was 42.45+or-17.89 kg ha-1 (0.7% per year). The improvement programme proved auspicious for the development of lines that outmatched the controls. The mean of the cultivars released in the 90s did however not outstrip the mean of the elite lines, which were the genotypes with the highest means in this study and will be further evaluated in the ongoing programme. |
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Palavras-Chave: |
Cultivares. |
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Thesagro: |
Arroz; Melhoramento Genético Vegetal; Oryza Sativa. |
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Thesaurus NAL: |
cultivars; genetic improvement; rice. |
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Categoria do assunto: |
G Melhoramento Genético |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/24014/1/bd6b8337-4583-a49e.pdf
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Marc: |
LEADER 01508naa a2200241 a 4500
001 1213596
005 2022-04-07
008 2005 bl uuuu u00u1 u #d
100 1 $aSOARES, P. C.
245 $aGenetic gain in an improvement program of irrigated rice in Minas Gerais.$h[electronic resource]
260 $c2005
520 $aAn evaluation of the genetic improvement programme of irrigated rice of Minas Gerais (Brazil) estimated the genetic gain obtained in the 90s. Grain yield data of the advanced comparative trials of cultivars and lines of continuously flooded rice, conducted from 1990-91 to 2000-01, were used. The estimate of the genetic gain was obtained by the methodology of the adjusted means proposed by Breseghello (1998). The mean annual genetic gain in the 90s was 42.45+or-17.89 kg ha-1 (0.7% per year). The improvement programme proved auspicious for the development of lines that outmatched the controls. The mean of the cultivars released in the 90s did however not outstrip the mean of the elite lines, which were the genotypes with the highest means in this study and will be further evaluated in the ongoing programme.
650 $acultivars
650 $agenetic improvement
650 $arice
650 $aArroz
650 $aMelhoramento Genético Vegetal
650 $aOryza Sativa
653 $aCultivares
700 1 $aMELO, P. G. S.
700 1 $aMELO, L. C.
700 1 $aSOARES, A. A.
773 $tCrop Breeding and Applied Biotechnology$gv. 5, n. 2, p. 142-148, June 2005.
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Registro original: |
Embrapa Arroz e Feijão (CNPAF) |
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