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Registro Completo |
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Biblioteca(s): |
Embrapa Trigo. |
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Data corrente: |
10/01/2010 |
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Data da última atualização: |
07/12/2012 |
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Autoria: |
OSMOND, D. L.; WILSON, R. F.; RAPER JUNIOR, C. D. |
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Título: |
Fatty acid composition and nitrate uptake of soybean roots during acclimation to low temperature. |
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Ano de publicação: |
1982 |
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Fonte/Imprenta: |
Plant Physiology, v. 70, n. 6, p. 1689-1693, 1982. |
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Idioma: |
Inglês |
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Conteúdo: |
Fatty acid composition of old and new roots was determined for soybeans (Glycine max IL.I Merr. cv Ransom) at root-zone temperatures of 14, 18, and 22 °C during a 26-day period. New roots had a greater concentration of polyunsaturated fatty acids than old roots. The ratio of polyunsaturated to saturated fatty acid concentration in new roots exposed to 14 and 18°C peaked at 16 days and declined, while the corresponding ratio in old roots increased throughout the treatment period. Apparently the response of fatty acid composition in old and new roots to low temperature was mediated by tissue aging or differentiation. These findings were contrary to the concept that modifications in fatty acid composition remain constant at lower temperatures. The function of root tissues exposed to lower temperature was evaluated with respect to the ability of the root systems to absorb N03-. Over the relatively long periods of exposure, the ability of whole root systems to absorb N03- was similar at cool and warm temperatures. The effect of cool temperature on functioning of roots appeared to involve reductions in the rates of initiation and differentiation of young root tissues rather than changes in membrane permeability related to alteration of fatty acid composition. |
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Thesagro: |
Ácido Graxo; Nitrato; Soja. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01786naa a2200181 a 4500
001 1835461
005 2012-12-07
008 1982 bl --- 0-- u #d
100 1 $aOSMOND, D. L.
245 $aFatty acid composition and nitrate uptake of soybean roots during acclimation to low temperature.
260 $c1982
520 $aFatty acid composition of old and new roots was determined for soybeans (Glycine max IL.I Merr. cv Ransom) at root-zone temperatures of 14, 18, and 22 °C during a 26-day period. New roots had a greater concentration of polyunsaturated fatty acids than old roots. The ratio of polyunsaturated to saturated fatty acid concentration in new roots exposed to 14 and 18°C peaked at 16 days and declined, while the corresponding ratio in old roots increased throughout the treatment period. Apparently the response of fatty acid composition in old and new roots to low temperature was mediated by tissue aging or differentiation. These findings were contrary to the concept that modifications in fatty acid composition remain constant at lower temperatures. The function of root tissues exposed to lower temperature was evaluated with respect to the ability of the root systems to absorb N03-. Over the relatively long periods of exposure, the ability of whole root systems to absorb N03- was similar at cool and warm temperatures. The effect of cool temperature on functioning of roots appeared to involve reductions in the rates of initiation and differentiation of young root tissues rather than changes in membrane permeability related to alteration of fatty acid composition.
650 $aÁcido Graxo
650 $aNitrato
650 $aSoja
700 1 $aWILSON, R. F.
700 1 $aRAPER JUNIOR, C. D.
773 $tPlant Physiology$gv. 70, n. 6, p. 1689-1693, 1982.
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Registro original: |
Embrapa Trigo (CNPT) |
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Biblioteca(s): |
Embrapa Semiárido. |
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Data corrente: |
09/02/1996 |
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Data da última atualização: |
28/06/2023 |
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Tipo da produção científica: |
Folder/Folheto/Cartilha |
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Autoria: |
SILVA, A. de S.; ORESOTU, B. A.; OLIVEIRA, C. A. V.; PORTO, E. R.; LOPES, P. R. C. |
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Afiliação: |
ADERALDO DE SOUZA SILVA, CPATSA; BABATUNDE AYODELE ORESOTU, CPATSA; CARLOS ALBERTO VASCONCELOS OLIVEIRA, CPATSA; EVERALDO ROCHA PORTO, CPATSA; PAULO ROBERTO COELHO LOPES, CPATSA. |
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Título: |
Avaliacao tecnica do Projeto Padre Cicero: Prefeitura Municipal de Petrolina- PE, segmento: cisternas rurais. |
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Ano de publicação: |
1990 |
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Fonte/Imprenta: |
Petrolina: EMBRAPA-CPATSA, 1990. |
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Páginas: |
21 p. |
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Idioma: |
Português |
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Conteúdo: |
Avaliacao tecnica de cada cisterna em particular no municipio de Petrolina, levantando informacoes referentes ao impacto da tecnologia a nivel de produtos: populacao atingida; disponibilidade de recursos hidricos; construcao; manejo e qualidade da agua. |
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Palavras-Chave: |
Agua de chuva; Armazenagem; Captacao; Cistern; Construcao; Consumo humano; PAPP; Pernambuco; Petrolina; Projeto Padre Cicero; Rural community. |
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Thesagro: |
Abastecimento; Cisterna; Comunidade Rural; Recurso natural; Tecnologia. |
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Thesaurus NAL: |
harvesting; rain; technology; water. |
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Categoria do assunto: |
P Recursos Naturais, Ciências Ambientais e da Terra |
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URL: |
https://www.infoteca.cnptia.embrapa.br/infoteca/bitstream/doc/133219/1/ID8085.pdf
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Marc: |
LEADER 01299nam a2200409 a 4500
001 1133219
005 2023-06-28
008 1990 bl uuuu u0uu1 u #d
100 1 $aSILVA, A. de S.
245 $aAvaliacao tecnica do Projeto Padre Cicero$bPrefeitura Municipal de Petrolina- PE, segmento: cisternas rurais.
260 $aPetrolina: EMBRAPA-CPATSA$c1990
300 $a21 p.
520 $aAvaliacao tecnica de cada cisterna em particular no municipio de Petrolina, levantando informacoes referentes ao impacto da tecnologia a nivel de produtos: populacao atingida; disponibilidade de recursos hidricos; construcao; manejo e qualidade da agua.
650 $aharvesting
650 $arain
650 $atechnology
650 $awater
650 $aAbastecimento
650 $aCisterna
650 $aComunidade Rural
650 $aRecurso natural
650 $aTecnologia
653 $aAgua de chuva
653 $aArmazenagem
653 $aCaptacao
653 $aCistern
653 $aConstrucao
653 $aConsumo humano
653 $aPAPP
653 $aPernambuco
653 $aPetrolina
653 $aProjeto Padre Cicero
653 $aRural community
700 1 $aORESOTU, B. A.
700 1 $aOLIVEIRA, C. A. V.
700 1 $aPORTO, E. R.
700 1 $aLOPES, P. R. C.
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