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9. | | FINGER, F. L.; ENDRES, L.; MOSQUIM, P. R.; PUIATTI, M. Physiological changes during postharvest senescence of broccoli. Pesquisa Agropecuária Brasileira, Brasília, DF, v. 34, n. 9, p. 1565-69, set. 1999 Título em português: Alterações fisiológicas da senescência pós-colheita de brócolis Biblioteca(s): Embrapa Hortaliças; Embrapa Unidades Centrais. |
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12. | | VIEIRA, M. C.; CASALI, V. W. D.; CARDOSO, A. A.; MOSQUIM, P. R. Competicao de quatro clones de mandioquinha-salsa, em Dourados-MS. Horticultura Brasileira, Brasilia, v.13, n.1, p.121, maio 1995. Resumo. Biblioteca(s): Embrapa Hortaliças. |
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Registro Completo
Biblioteca(s): |
Embrapa Milho e Sorgo; Embrapa Recursos Genéticos e Biotecnologia. |
Data corrente: |
11/05/2000 |
Data da última atualização: |
04/05/2022 |
Tipo da produção científica: |
Artigo em Periódico Indexado |
Autoria: |
MAGALHAES, J. V. de; ALVES, V. M. C.; NOVAIS, R. F.; MOSQUIM, P. R.; MAGALHAES, J. R.; BAHIA FILHO, A. F. C.; HUBER, D. M. |
Título: |
Influence of phosphorus stress on Ammonium uptake by maize. |
Ano de publicação: |
2000 |
Fonte/Imprenta: |
Journal of Plant Nutrition, v.23, n.2, p.263-273, 2000. |
Idioma: |
Inglês |
Notas: |
Produção científica/2000/CENARGEN. |
Conteúdo: |
The effect of phosphorus (P) starvation on ammonium (NH4) uptake was evaluated by growing single-cross seedlings of the make progenitor of the maize double-cross hybrid BR 201 in nutrient solution. The kinetics of NH4 uptake were measured after P starvation and non-starvation periodo of 2, 4, 6, 8 and 10 days. The effect of P addition during the study period (resupply) was also tested. Ammonium uptake decreased 45,7% after two days of P stress completed to the fully P-sufficient control. Ammonium uptake decreased 83,0% where P was withheld for 10 days. The decline in NH4 uptake was partially reversed when P was resupplied during the early periods of P deficiency, but this effect diminished as the P stress increased. These results suggest that maize plants are physiologically dependent on NH4, rather than nitrate (NO3) when under P stress. |
Palavras-Chave: |
Ammonium; Ammonium uptake; Amonio; BR 201; Estresse; Hybrid; Maize; Phosphorus stress. |
Thesagro: |
Absorção; Amônia; Fósforo; Milho Hibrido; Stress; Zea Mays. |
Thesaurus NAL: |
phosphorus. |
Categoria do assunto: |
-- F Plantas e Produtos de Origem Vegetal |
URL: |
https://ainfo.cnptia.embrapa.br/digital/bitstream/item/177664/1/ID-221641.pdf
|
Marc: |
LEADER 01852naa a2200385 a 4500 001 1183491 005 2022-05-04 008 2000 bl uuuu u00u1 u #d 100 1 $aMAGALHAES, J. V. de 245 $aInfluence of phosphorus stress on Ammonium uptake by maize.$h[electronic resource] 260 $c2000 500 $aProdução científica/2000/CENARGEN. 520 $aThe effect of phosphorus (P) starvation on ammonium (NH4) uptake was evaluated by growing single-cross seedlings of the make progenitor of the maize double-cross hybrid BR 201 in nutrient solution. The kinetics of NH4 uptake were measured after P starvation and non-starvation periodo of 2, 4, 6, 8 and 10 days. The effect of P addition during the study period (resupply) was also tested. Ammonium uptake decreased 45,7% after two days of P stress completed to the fully P-sufficient control. Ammonium uptake decreased 83,0% where P was withheld for 10 days. The decline in NH4 uptake was partially reversed when P was resupplied during the early periods of P deficiency, but this effect diminished as the P stress increased. These results suggest that maize plants are physiologically dependent on NH4, rather than nitrate (NO3) when under P stress. 650 $aphosphorus 650 $aAbsorção 650 $aAmônia 650 $aFósforo 650 $aMilho Hibrido 650 $aStress 650 $aZea Mays 653 $aAmmonium 653 $aAmmonium uptake 653 $aAmonio 653 $aBR 201 653 $aEstresse 653 $aHybrid 653 $aMaize 653 $aPhosphorus stress 700 1 $aALVES, V. M. C. 700 1 $aNOVAIS, R. F. 700 1 $aMOSQUIM, P. R. 700 1 $aMAGALHAES, J. R. 700 1 $aBAHIA FILHO, A. F. C. 700 1 $aHUBER, D. M. 773 $tJournal of Plant Nutrition$gv.23, n.2, p.263-273, 2000.
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Embrapa Recursos Genéticos e Biotecnologia (CENARGEN) |
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