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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
02/09/1998 |
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Data da última atualização: |
15/05/2009 |
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Autoria: |
SANZONOWICZ, C.; SMYTH, T. J.; ISRAEL, D. W. |
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Título: |
Calcium alleviation of 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.4, p.785, 1998. |
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Idioma: |
Inglês |
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Conteúdo: |
Alleviation by calcium (Ca) of inhibition of soybean [Glycine max (L) Merr. cv. 'Ranson'] root elongation by hydrogen (H) aluminum (Al) was evaluated in a vertical split-root system. Roots extending from a limed and fertilized soil compartment grew for 12 days into a subsurface compartment containing nutrient solution with treatments consisting of factorial combinations of either pH (4.0, 4.6, and 5.5) and Ca (0.2,2.0,10, and 20mM), Al(7.5,15, and 30 uM) and Ca (2.0, 10, and 20mM) at pH 4.6, or Ca(2,7, and 12mM) levels and counter ions (SO and CI) at pH 4.6. and 15 uM AI. Lenght of tap roots and their laterals increased with solution Ca concentration and pH roots were greater when Ca was supplied as CaSO than CaCI, but increasing Ca concentration from 2 to 12 mM had a greater effect on alleviating AI toxicity than Ca source. In the absence of AI, relative root length (RRL) of tap and lateral roots among pH and Ca treatments was relatefd to the Ca:H molar activity |
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Palavras-Chave: |
Aluminium. |
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Thesagro: |
Alumínio; Cálcio; Glycine Max; Hidrogênio; Raiz; Soja; Solo. |
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Thesaurus Nal: |
calcium; hydrogen; roots; soybeans. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01743naa a2200289 a 4500
001 1558348
005 2009-05-15
008 1998 bl --- 0-- u #d
100 1 $aSANZONOWICZ, C.
245 $aCalcium alleviation of hydrogen and aluminum inhibition of soybean root extension from limed soil into acid subsurface solutions.
260 $c1998
520 $aAlleviation by calcium (Ca) of inhibition of soybean [Glycine max (L) Merr. cv. 'Ranson'] root elongation by hydrogen (H) aluminum (Al) was evaluated in a vertical split-root system. Roots extending from a limed and fertilized soil compartment grew for 12 days into a subsurface compartment containing nutrient solution with treatments consisting of factorial combinations of either pH (4.0, 4.6, and 5.5) and Ca (0.2,2.0,10, and 20mM), Al(7.5,15, and 30 uM) and Ca (2.0, 10, and 20mM) at pH 4.6, or Ca(2,7, and 12mM) levels and counter ions (SO and CI) at pH 4.6. and 15 uM AI. Lenght of tap roots and their laterals increased with solution Ca concentration and pH roots were greater when Ca was supplied as CaSO than CaCI, but increasing Ca concentration from 2 to 12 mM had a greater effect on alleviating AI toxicity than Ca source. In the absence of AI, relative root length (RRL) of tap and lateral roots among pH and Ca treatments was relatefd to the Ca:H molar activity
650 $acalcium
650 $ahydrogen
650 $aroots
650 $asoybeans
650 $aAlumínio
650 $aCálcio
650 $aGlycine Max
650 $aHidrogênio
650 $aRaiz
650 $aSoja
650 $aSolo
653 $aAluminium
700 1 $aSMYTH, T. J.
700 1 $aISRAEL, D. W.
773 $tJournal of plant nutrition, New York$gv.21, n.4, p.785, 1998.
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Embrapa Cerrados (CPAC) |
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| 1. |  | ROQUE, N.; NAKAJIMA, J.; HEIDEN, G.; MONGE, M.; RITTER, M. R.; LOEUILLE, B. F. P.; CHRIST, A. L.; REBOUÇAS, N. C.; CASTRO, M. S.; SAAVEDRA, M. M.; TELES, A. M.; GANDARA, A.; MARQUES, D.; BRINGEL JR. J. B. A.; ANGULO, M. B.; SANTOS, J. U. M. D.; SOUZA-BUTURI, F. O.; ALVES, M.; SANCHO, G.; REIS-SILVA, G. A.; VOLET, D. P.; HATTORI, E. K. O.; PLOS, A.; SIMÃO-BIANCHINI, R.; RIVERA, V. L.; MAGENTA, M. A. G.; ABREU, V. H. R.; GROSSI, M. A.; AMORIM, V. O.; SCHNEIDER, A. A.; CARNEIRO, C. R.; BORGES, R. A. X.; SINISCALCHI, C. M.; BUENO, V. R.; VIA DO PICO, G. M.; ALMEIDA, G. S. S.; FREITAS, F. S.; DEBLE, L. P.; MOREIRA, G. L.; CONTRO, F. L.; GUTIÉRREZ, D. G.; SOUZA-SOUZA, R. M. B.; VIERA BARRETO, J. N.; SOARES, P. N.; QUARESMA, A. S.; PICANÇO, W. L.; FERNANDES, F.; MONDIN, C. A.; SALGADO, V. G.; KILIPPER, J. T.; FARCO, G. E.; RIBEIRO, R. N.; WALTER, B. M. T.; LORENCINI, T. S.; FERNANDES, A. C.; SILVA, L. N.; BARCELOS, L. B.; BARBOSA, M. L.; BAUTISTA, H. P.; CALVO, J.; DEMATTEIS, M.; FERREIRA, S. C.; HIRIART, F. D.; MORAES, M. D.; SEMIR, J. Asteraceae. In: FLORA do Brasil 2020. Rio de Janeiro: Jardim Botânico, [2021].| Tipo: Capítulo em Livro Técnico-Científico |
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