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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
14/08/2018 |
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Data da última atualização: |
14/08/2018 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
GUIMARÃES, C. M.; STONE, L. F.; CARVALHO, M. da C. S.; COLOMBARI FILHO, J. M. |
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Afiliação: |
CLEBER MORAIS GUIMARAES, CNPAF; LUIS FERNANDO STONE, CNPAF; MARIA DA CONCEICAO SANTANA CARVALHO, CNPAF; JOSE MANOEL COLOMBARI FILHO, CNPAF. |
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Título: |
Performance of low phosphorus tolerant rice genotypes under drought stress. |
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Ano de publicação: |
2018 |
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Fonte/Imprenta: |
Revista Ceres, v. 65, n. 3, p. 253-260, maio/jun. 2018. |
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DOI: |
10.1590/0034-737X201865030005 |
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Idioma: |
Inglês |
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Conteúdo: |
The identification of genotypes more tolerant to water deficit and more efficient in the use of nutrients little available in the soil is an important low-cost strategy to promote sustainable agriculture in marginalized regions. In this sense, a study was carried out in the SITIS Phenotyping Platform of the Embrapa Arroz e Feijão, with the objective of evaluating the drought tolerance of upland rice genotypes tolerant to phosphorus (P) deficiency. The experimental design was performed in a randomized complete block with split-split plots and two replications. In the plots were established two water regimes (with and without water deficit), in the subplots two soil phosphorus contents (25 and 200 mg dm-3) and in sub-subplots 48 upland rice genotypes. The water deficit had more impact on grain yield than the phosphorus supply. The genotypes AB 062037, AB 062041, AB 062138, Arroz Mato Grosso, BRA 02601, BRA 052045, CNA 4098, CNA 6187, Guapa, Guaporé and Rio Paranaíba were classified in the most productive group under both water regimes. The most productive genotypes under water deficit showed higher root density in the deeper soil layers. The most productive genotypes in the two water regimes were also those that showed the highest transpiration. |
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Thesagro: |
Arroz; Deficiência Hídrica; Evapotranspiração; Fósforo; Genótipo; Oryza Sativa; Sistema Radicular; Stress. |
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Thesaurus Nal: |
Abiotic stress; Evapotranspiration; Phosphorus; Rice; Root systems. |
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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/181425/1/CNPAF-2018-rc.pdf
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Marc: |
LEADER 02180naa a2200325 a 4500
001 2094110
005 2018-08-14
008 2018 bl uuuu u00u1 u #d
024 7 $a10.1590/0034-737X201865030005$2DOI
100 1 $aGUIMARÃES, C. M.
245 $aPerformance of low phosphorus tolerant rice genotypes under drought stress.$h[electronic resource]
260 $c2018
520 $aThe identification of genotypes more tolerant to water deficit and more efficient in the use of nutrients little available in the soil is an important low-cost strategy to promote sustainable agriculture in marginalized regions. In this sense, a study was carried out in the SITIS Phenotyping Platform of the Embrapa Arroz e Feijão, with the objective of evaluating the drought tolerance of upland rice genotypes tolerant to phosphorus (P) deficiency. The experimental design was performed in a randomized complete block with split-split plots and two replications. In the plots were established two water regimes (with and without water deficit), in the subplots two soil phosphorus contents (25 and 200 mg dm-3) and in sub-subplots 48 upland rice genotypes. The water deficit had more impact on grain yield than the phosphorus supply. The genotypes AB 062037, AB 062041, AB 062138, Arroz Mato Grosso, BRA 02601, BRA 052045, CNA 4098, CNA 6187, Guapa, Guaporé and Rio Paranaíba were classified in the most productive group under both water regimes. The most productive genotypes under water deficit showed higher root density in the deeper soil layers. The most productive genotypes in the two water regimes were also those that showed the highest transpiration.
650 $aAbiotic stress
650 $aEvapotranspiration
650 $aPhosphorus
650 $aRice
650 $aRoot systems
650 $aArroz
650 $aDeficiência Hídrica
650 $aEvapotranspiração
650 $aFósforo
650 $aGenótipo
650 $aOryza Sativa
650 $aSistema Radicular
650 $aStress
700 1 $aSTONE, L. F.
700 1 $aCARVALHO, M. da C. S.
700 1 $aCOLOMBARI FILHO, J. M.
773 $tRevista Ceres$gv. 65, n. 3, p. 253-260, maio/jun. 2018.
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Embrapa Arroz e Feijão (CNPAF) |
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