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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
18/05/1998 |
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Data da última atualização: |
30/04/2025 |
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Autoria: |
SANZONOWICZ, C.; SMYTH, T. J.; ISRAEL, D. W. |
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Afiliação: |
CLAUDIO SANZONOWICZ, CPAC; NORTH CAROLINA STATE UNIVERSITY; NORTH CAROLINA STATE UNIVERSITY. |
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Título: |
Hydrogen and aluminum inhibition of soybean root extension from limed soil into acid subsurface solutions. |
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Ano de publicação: |
1998 |
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Fonte/Imprenta: |
Journal of Plant Nutrition, New York, v. 21, n. 2, p. 387-403, 1998. |
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Idioma: |
Inglês |
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Conteúdo: |
Abstract: Soybean [Glycine max (L.) Merr. cv. ‘Ransom'] root elongation under varying concentrations of solution hydrogen (H) and aluminum (Al) was investigated in a vertical split‐root system. Roots extending from a limed and fertilized soil compartment grew for 12 days into a subsurface compartment with solutions adjusted to either different pH values from 3.7 to 5.5 or a factorial combination of pH (4.0,4.6, and 5.2) and Al (0,7.5, 15, and 30 μM) levels. Ionic forms of Al were estimated with GEOCHEM and solution Al was determined with ferron. Boron (B) (18.5 μM) and zinc (Zn) (0.5 μM) were supplied to all solution treatments, in addition to 2000 μM Ca, after preliminary studies at pH 5.2 without Al indicated that their omission inhibited length of tap roots and their laterals in the subsurface compartment. Both H+ and Al inhibited the length of lateral roots more than tap roots. Lateral roots failed to develop on tap roots at pH<4.3 or in treatments with 30 μM Al. Relative tap root length (RRL) among treatments receiving Al correlated with Al as measured by reaction with ferron for 30s. Ferron‐reactive Al was correlated to GEOCHEM‐predicted Al3+ activity (r=0.99). A 50% reduction in RRL occurred with either 2.1 μM Al3+ activity or 4.9 uM ferron‐reactive Al. The absence of shoot and soil‐root biomass differences among solution treatments in the split‐root system indicated that differences in root growth in the subsurface compartment were not directly confounded with differences in top growth. MenosAbstract: Soybean [Glycine max (L.) Merr. cv. ‘Ransom'] root elongation under varying concentrations of solution hydrogen (H) and aluminum (Al) was investigated in a vertical split‐root system. Roots extending from a limed and fertilized soil compartment grew for 12 days into a subsurface compartment with solutions adjusted to either different pH values from 3.7 to 5.5 or a factorial combination of pH (4.0,4.6, and 5.2) and Al (0,7.5, 15, and 30 μM) levels. Ionic forms of Al were estimated with GEOCHEM and solution Al was determined with ferron. Boron (B) (18.5 μM) and zinc (Zn) (0.5 μM) were supplied to all solution treatments, in addition to 2000 μM Ca, after preliminary studies at pH 5.2 without Al indicated that their omission inhibited length of tap roots and their laterals in the subsurface compartment. Both H+ and Al inhibited the length of lateral roots more than tap roots. Lateral roots failed to develop on tap roots at pH<4.3 or in treatments with 30 μM Al. Relative tap root length (RRL) among treatments receiving Al correlated with Al as measured by reaction with ferron for 30s. Ferron‐reactive Al was correlated to GEOCHEM‐predicted Al3+ activity (r=0.99). A 50% reduction in RRL occurred with either 2.1 μM Al3+ activity or 4.9 uM ferron‐reactive Al. The absence of shoot and soil‐root biomass differences among solution treatments in the split‐root system indicated that differences in root growth in the subsurface compartment were not directly confounded with differ... Mostrar Tudo |
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Thesagro: |
Acidez; Alumínio; Calagem; Glycine Max; Hidrogênio; Raiz; Soja; Solo. |
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Categoria do assunto: |
-- |
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URL: |
https://www.alice.cnptia.embrapa.br/alice/bitstream/doc/562802/1/Hydrogen-and-aluminum-inhibition-of-soybean-root-extension-from-limed-soil-into-acid-subsurface-solutions.pdf
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Marc: |
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Registro original: |
Embrapa Cerrados (CPAC) |
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| Registros recuperados : 9 | |
| 3. |  | SILVA, A. A.; SOUZA, H. A. de; BRITO, R. R. de; SOUSA, K. da S.; ROCHA, A. G. da; CARVALHO, S. P. Biomassa microbiana e respiração basal do solo de sistemas integrados no Cerrado piauiense. In: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA MEIO-NORTE, 5., 2019,Teresina, PI. Anais... Teresina: Embrapa Meio-Norte, 2022. 96 p. (Embrapa Meio-Norte. Documentos, 285). p. 38.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 4. | | CARMO, E. L. do; SILVA, A. G.; BRAZ, G. B. P.; PROCOPIO, S. de O.; SIMON, G. A.; ROCHA, A. G. C.; BARCELLOS, L. C. Phytosanitary risks and agronomic performance of soybeans associated with spatial arrangements of plants. Bioscience Journal, v. 35, n. 3, p. 806-817, 2019.| Tipo: Artigo em Periódico Indexado | Circulação/Nível: A - 2 |
| Biblioteca(s): Embrapa Meio Ambiente; Embrapa Tabuleiros Costeiros. |
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| 5. | | MARTINS, R. V. de S.; ROCHA, A. G. da; PIRES, M. de F. M.; MEDEIROS, J. C.; SOUZA, H. A. de. Crescimento inicial da soja sob diferentes manejos do solo na Serra do Quilombo, Cerrado piauiense. In: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA MEIO-NORTE, 4., 2018, Teresina, PI. Anais da IV Jornada Científica da Embrapa Meio-Norte. Brasília, DF: Embrapa, 2018. p. 25.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 6. | | PIRES, M. de F. M.; MARTINS, R. V. de S.; ROCHA, A. G. da; MEDEIROS, J. C.; SOUZA, H. A. de. Desenvolvimento da soja cultivada sobre diferentes plantas de cobertura em sistema de plantio direto no Cerrado sul piauiense. In: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA MEIO-NORTE, 4., 2018, Teresina, PI. Anais da IV Jornada Científica da Embrapa Meio-Norte. Brasília, DF: Embrapa, 2018. p. 29.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Meio-Norte. |
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| 9. | | ROCHA, A. G. da; MARTINS, R. V. de S.; SOUSA SOBRINHO, A. C. de; ARAUJO NETO, R. B. de; VIEIRA, P. F. de M. J.; SOUZA, H. A. de. Rendimento da soja cultivada em rotação ao consórcio de milho com forrageiras no Cerrado piauiense. In: JORNADA DE INICIAÇÃO CIENTÍFICA DA EMBRAPA MEIO-NORTE, 4., 2018, Teresina, PI. Anais da IV Jornada Científica da Embrapa Meio-Norte. Brasília, DF: Embrapa, 2018. p. 49.| Tipo: Resumo em Anais de Congresso |
| Biblioteca(s): Embrapa Meio-Norte. |
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| Registros recuperados : 9 | |
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