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 | Acesso ao texto completo restrito à biblioteca da Embrapa Arroz e Feijão. Para informações adicionais entre em contato com cnpaf.biblioteca@embrapa.br. |
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Registro Completo |
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Biblioteca(s): |
Embrapa Arroz e Feijão. |
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Data corrente: |
20/05/2004 |
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Data da última atualização: |
06/06/2022 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Autoria: |
FAGERIA, N. K.; SANTOS, A. B. dos; MORAES, M. F. de. |
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Afiliação: |
NAND KUMAR FAGERIA, CNPAF; ALBERTO BAETA DOS SANTOS, CNPAF. |
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Título: |
Yield, potassium uptake, and use efficiency in upland rice genotypes. |
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Ano de publicação: |
2010 |
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Fonte/Imprenta: |
Communications in Soil Science and Plant Analysis, v. 41, n. 22, p. 2676-2684, Nov. 2010. |
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DOI: |
https://doi.org/10.1080/00103624.2010.517882 |
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Idioma: |
Inglês |
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Conteúdo: |
Potassium (K) is an essential nutrient for higher plants. Information on K uptake and use efficiency of upland rice under Brazilian conditions is limited. A greenhouse experiment was conducted with the objective to evaluate influence of K on yield, K uptake, and use efficiency of six upland rice genotypes grown on Brazilian Oxisol. The K rate used was zero (natural soil level) and 200 mg K kg?1 of soil. Shoot dry weight and grain yield were significantly influenced by K level and genotype treatments. However, K × genotype interactions were not significant, indicating similar responses of genotypes at two K levels for shoot dry weight and grain yield. Genotypes produced grain yield in the order of BRS Primavera > BRA 01596 > BRSMG Curinga > BRS 032033 > BRS Bonança > BRA 02582. Potassium concentration in shoot was about sixfold greater compared to grain, across two K levels and six genotypes. However, K utilization efficiency ratio (KUER) (mg shoot or grain yield / mg K uptake in shoot or root) was about 6.5 times greater in grain compared to shoot, across two K level and six genotypes. Potassium uptake in shoot and grain and KUER were significantly and positively associated with grain yield. Soil calcium (Ca), K, base saturation, acidity saturation, Ca saturation, K saturation, Ca/K ratio, and magnesium (Mg)/K ratio were significantly influenced by K application rate. |
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Palavras-Chave: |
K uptake in grain; K uptake in shoot; K-use efficiency ratio. |
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Thesagro: |
Arroz; Genótipo; Oryza Sativa; Potássio. |
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Thesaurus Nal: |
Harvest index; Nutrient use efficiency; Potassium; Rice. |
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Categoria do assunto: |
F Plantas e Produtos de Origem Vegetal |
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Marc: |
LEADER 02268naa a2200289 a 4500
001 1197838
005 2022-06-06
008 2010 bl uuuu u00u1 u #d
024 7 $ahttps://doi.org/10.1080/00103624.2010.517882$2DOI
100 1 $aFAGERIA, N. K.
245 $aYield, potassium uptake, and use efficiency in upland rice genotypes.$h[electronic resource]
260 $c2010
520 $aPotassium (K) is an essential nutrient for higher plants. Information on K uptake and use efficiency of upland rice under Brazilian conditions is limited. A greenhouse experiment was conducted with the objective to evaluate influence of K on yield, K uptake, and use efficiency of six upland rice genotypes grown on Brazilian Oxisol. The K rate used was zero (natural soil level) and 200 mg K kg?1 of soil. Shoot dry weight and grain yield were significantly influenced by K level and genotype treatments. However, K × genotype interactions were not significant, indicating similar responses of genotypes at two K levels for shoot dry weight and grain yield. Genotypes produced grain yield in the order of BRS Primavera > BRA 01596 > BRSMG Curinga > BRS 032033 > BRS Bonança > BRA 02582. Potassium concentration in shoot was about sixfold greater compared to grain, across two K levels and six genotypes. However, K utilization efficiency ratio (KUER) (mg shoot or grain yield / mg K uptake in shoot or root) was about 6.5 times greater in grain compared to shoot, across two K level and six genotypes. Potassium uptake in shoot and grain and KUER were significantly and positively associated with grain yield. Soil calcium (Ca), K, base saturation, acidity saturation, Ca saturation, K saturation, Ca/K ratio, and magnesium (Mg)/K ratio were significantly influenced by K application rate.
650 $aHarvest index
650 $aNutrient use efficiency
650 $aPotassium
650 $aRice
650 $aArroz
650 $aGenótipo
650 $aOryza Sativa
650 $aPotássio
653 $aK uptake in grain
653 $aK uptake in shoot
653 $aK-use efficiency ratio
700 1 $aSANTOS, A. B. dos
700 1 $aMORAES, M. F. de
773 $tCommunications in Soil Science and Plant Analysis$gv. 41, n. 22, p. 2676-2684, Nov. 2010.
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Embrapa Arroz e Feijão (CNPAF) |
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| Registros recuperados : 2 | |
| 1. |  | CAVALCANTE, J. A.; LOPES, K. P.; SOUZA, A. dos S.; PEREIRA, N. A. E.; PEREIRA NETO, J. R.; BARBOSA, R. C. A. Morfometria e qualidade fisiológica de sementes de mamona oriundas de diferentes cultivares e ordem de racemos. In: CONGRESSO BRASILEIRO DE MAMONA, 5.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 2.; FÓRUM CAPIXABA DE PINHÃO-MANSO, 1., 2012, Guarapari. Desafios e Oportunidades: anais. Campina Grande: Embrapa Algodão, 2012. p. 124| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Algodão. |
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| 2. | | CAVALCANTE, J. A.; LOPES, K. P.; SOUZA, A. dos S.; PEREIRA, N. A. E.; PEREIRA NETO, J. R.; FARIAS, V. F. de S. Composição química e qualidade fisiológica de sementes de mamona oriundas de diferentes cultivares e ordem de racemos. In: CONGRESSO BRASILEIRO DE MAMONA, 5.; SIMPÓSIO INTERNACIONAL DE OLEAGINOSAS ENERGÉTICAS, 2.; FÓRUM CAPIXABA DE PINHÃO-MANSO, 1., 2012, Guarapari. Desafios e Oportunidades: anais. Campina Grande: Embrapa Algodão, 2012. p. 131| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Algodão. |
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| Registros recuperados : 2 | |
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