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| Registros recuperados : 411 | |
| 161. |  | SILVA, J. G. da; MOREIRA, J. A. A.; GUIMARÃES, C. M. Preparo do solo. 2. ed. rev. ampl. In: SANTIAGO, C. M.; BRESEGHELLO, H. C. de P.; FERREIRA, C. M. (Ed.). Arroz: o produtor pergunta, a Embrapa responde. 2. ed. rev. e ampl. Brasília, DF: Embrapa, 2013. p. 25-36. (Coleção 500 perguntas, 500 respostas).| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 164. | | GUIMARÃES, C. M.; CASTRO, A. P. de; BRONDANI, C.; HEINEMANN, A. B.; STONE, L. F. Tolerância à deficiência hídrica na cultura de arroz de terras altas. Informe Agropecuário, Belo Horizonte, v. 39, n. 301, p. 55-66, 2018.| Biblioteca(s): Embrapa Arroz e Feijão. |
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| 173. | | SILVEIRA, P. M. da; STEINMETZ, S.; GUIMARÃES, C. M.; AIDAR, H.; CARVALHO, J. R. P. de. Lâminas de água e turnos de rega na cultura do feijoeiro de inverno. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 19, n. 2, p. 219-223, fev. 1984.| Biblioteca(s): Embrapa Arroz e Feijão; Embrapa Unidades Centrais. |
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| Registros recuperados : 411 | |
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Registro Completo
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
20/04/2016 |
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Data da última atualização: |
02/03/2017 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
A - 2 |
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Autoria: |
GUIMARÃES, C. M.; CASTRO, A. P. de; STONE, L. F.; OLIVEIRA, J. P. de. |
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Afiliação: |
CLEBER MORAIS GUIMARAES, CNPAF; ADRIANO PEREIRA DE CASTRO, CNPAF; LUIS FERNANDO STONE, CNPAF; JAISON PEREIRA DE OLIVEIRA, CNPAF. |
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Título: |
Drought tolerance in upland rice: identification of genotypes and agronomic characteristics. |
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Ano de publicação: |
2016 |
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Fonte/Imprenta: |
Acta Scientiarum. Agronomy, Maringá, v. 38, n. 2, p. 201-206, abr./jun. 2016. |
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ISSN: |
1807-8621 |
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DOI: |
10.4025/actasciagron.v38i2.27164 |
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Idioma: |
Inglês |
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Conteúdo: |
This study aimed to identify upland rice cultivars and elite lines that are tolerant to drought and the agronomic traits associated with this tolerance. Forty-one genotypes were evaluated in a randomized block design with three replications in experiments with and without water stress at the Experimental Station of Emater, in Porangatu, Goiás State, in 2011 and 2012. The first experiment was well-irrigated throughout plant development and the second experiment was irrigated only up to 40 days after emergence, after which water stress was imposed. A multivariate analysis using Ward?s method was applied, and the genotypes with and without water stress were classified into six and seven clusters, respectively, based on the average yield in the two years of experimentation. The most productive cluster under water stress comprised the genotypes AB062041, Douradão, Guarani, BRS Aimoré, and Tangará. The first four genotypes of this cluster were also ranked in the second most productive cluster under well-irrigated conditions. In the selection for drought tolerance, the genotypes that exhibit precocity, less dense panicles, low sterility and greater 100-grain weight under water stress should be prioritized. |
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Palavras-Chave: |
Esterilidade de espiguetas; Massa dos grãos. |
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Thesagro: |
Arroz; Características agronômicas; Deficiência hídrica; Genótipo; Oryza sativa; Precocidade vegetal. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/142480/1/CNPAF-2016-cmg.pdf
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Marc: |
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001 2043778
005 2017-03-02
008 2016 bl uuuu u00u1 u #d
022 $a1807-8621
024 7 $a10.4025/actasciagron.v38i2.27164$2DOI
100 1 $aGUIMARÃES, C. M.
245 $aDrought tolerance in upland rice$bidentification of genotypes and agronomic characteristics.$h[electronic resource]
260 $c2016
520 $aThis study aimed to identify upland rice cultivars and elite lines that are tolerant to drought and the agronomic traits associated with this tolerance. Forty-one genotypes were evaluated in a randomized block design with three replications in experiments with and without water stress at the Experimental Station of Emater, in Porangatu, Goiás State, in 2011 and 2012. The first experiment was well-irrigated throughout plant development and the second experiment was irrigated only up to 40 days after emergence, after which water stress was imposed. A multivariate analysis using Ward?s method was applied, and the genotypes with and without water stress were classified into six and seven clusters, respectively, based on the average yield in the two years of experimentation. The most productive cluster under water stress comprised the genotypes AB062041, Douradão, Guarani, BRS Aimoré, and Tangará. The first four genotypes of this cluster were also ranked in the second most productive cluster under well-irrigated conditions. In the selection for drought tolerance, the genotypes that exhibit precocity, less dense panicles, low sterility and greater 100-grain weight under water stress should be prioritized.
650 $aArroz
650 $aCaracterísticas agronômicas
650 $aDeficiência hídrica
650 $aGenótipo
650 $aOryza sativa
650 $aPrecocidade vegetal
653 $aEsterilidade de espiguetas
653 $aMassa dos grãos
700 1 $aCASTRO, A. P. de
700 1 $aSTONE, L. F.
700 1 $aOLIVEIRA, J. P. de
773 $tActa Scientiarum. Agronomy, Maringá$gv. 38, n. 2, p. 201-206, abr./jun. 2016.
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Embrapa Arroz e Feijão (CNPAF) |
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