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Registro Completo |
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Biblioteca(s): |
Embrapa Cerrados. |
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Data corrente: |
11/04/1997 |
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Data da última atualização: |
11/04/1997 |
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Autoria: |
CARVALHO, C. G. de S. e; DIETRICH, S. M. C. |
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Título: |
Carbohydrates in tuberous roots of Cochlospermum regium (Mart. & Schr.) Pilger at different stages of development. |
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Ano de publicação: |
1996 |
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Fonte/Imprenta: |
Revista Brasileira de Botanica, v.19, n.2, p.127-131, 1996. |
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Idioma: |
Inglês |
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Conteúdo: |
Concentration and composition of non-structural carbhydrates and the activities of related hydrolytic enzymes were determined in tuberous rooots of Cochlospermum regium, a species from the Brazilian cerrado. Tuberous roots of different sizes from plants in vegetative stage of unknown age and from 1-2-years-old plants in different phenological stages were used. Starch was found to be the major carbohydrate of these organs except for the youngest and smallest roots in which free sugars predominated. The presence of amylases and starch phosphorylase in the latter as well as the seasonal fluctuations of these enzymes and of acid invertase suggest that starch, acumulated during the vegetative stages, is utilized during the sprouting of the young plants. In the larger roots the low molecular weight sugars seem to be preferentially used for this process. These variations are discussed in terms of water or temperature stresses which occur during the dry winter season characteristic of this tropical environment. |
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Palavras-Chave: |
Indigenous organism; Planta nativa. |
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Thesagro: |
Amido; Carboidrato; Cerrado; Cochlospermum Regium; Raiz Tuberosa. |
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Thesaurus Nal: |
carbohydrates; starch. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 01720naa a2200241 a 4500
001 1552682
005 1997-04-11
008 1996 bl --- 0-- u #d
100 1 $aCARVALHO, C. G. de S. e
245 $aCarbohydrates in tuberous roots of Cochlospermum regium (Mart. & Schr.) Pilger at different stages of development.
260 $c1996
520 $aConcentration and composition of non-structural carbhydrates and the activities of related hydrolytic enzymes were determined in tuberous rooots of Cochlospermum regium, a species from the Brazilian cerrado. Tuberous roots of different sizes from plants in vegetative stage of unknown age and from 1-2-years-old plants in different phenological stages were used. Starch was found to be the major carbohydrate of these organs except for the youngest and smallest roots in which free sugars predominated. The presence of amylases and starch phosphorylase in the latter as well as the seasonal fluctuations of these enzymes and of acid invertase suggest that starch, acumulated during the vegetative stages, is utilized during the sprouting of the young plants. In the larger roots the low molecular weight sugars seem to be preferentially used for this process. These variations are discussed in terms of water or temperature stresses which occur during the dry winter season characteristic of this tropical environment.
650 $acarbohydrates
650 $astarch
650 $aAmido
650 $aCarboidrato
650 $aCerrado
650 $aCochlospermum Regium
650 $aRaiz Tuberosa
653 $aIndigenous organism
653 $aPlanta nativa
700 1 $aDIETRICH, S. M. C.
773 $tRevista Brasileira de Botanica$gv.19, n.2, p.127-131, 1996.
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Registro original: |
Embrapa Cerrados (CPAC) |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Agrobiologia. Para informações adicionais entre em contato com cnpab.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Agrobiologia. |
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Data corrente: |
25/02/2013 |
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Data da última atualização: |
27/08/2014 |
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Tipo da produção científica: |
Boletim de Pesquisa e Desenvolvimento |
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Autoria: |
BOURNAUD, C.; FARIA, S. M. de; SANTOS, M.; TISSEYRE, P.; SILVA, M. A. P. da; CHAINTREUIL, C.; GROSS, E.; JAMES, E.; PRIN, Y.; MOULIN, L. |
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Afiliação: |
CIRAD, UMR LSTM; SERGIO MIANA DE FARIA, CNPAB; UNIVERSITY ESTADUAL DE SANTA CRUZ; IRD, UMR LSTM, FRANCE; MICHELLE APARECIDA PEREIRA DA SILVA, BOLSISTA DA EMBRAPA AGROBIOLOGIA UFRRJ; IRD, UMR LSTM, FRANCE; UNIVERSITY ESTADUAL DE SANTA CRUZ; JAMES HUTTON INSTITUTE, DUNDEE, UNITED KINGDOM; CIRAD, UMR LSTM, FRANCE; IRD, UMR LSTM, FRANCE. |
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Título: |
Burkholderia são simbiontes comuns e favoritos do grupo Piptadenia (tribo Mimoseae). |
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Ano de publicação: |
2012 |
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Fonte/Imprenta: |
Embrapa Agrobiologia, 2012 |
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Série: |
(Embrapa Agrobiologia. Boletim de Pesquisa e Desenvolvimento, 93). |
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Idioma: |
Português |
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Palavras-Chave: |
Tribo mimoseae. |
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Thesaurus NAL: |
Burkholderia; Piptadenia. |
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Categoria do assunto: |
-- |
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Marc: |
LEADER 00725nam a2200253 a 4500
001 1950894
005 2014-08-27
008 2012 bl uuuu u0uu1 u #d
100 1 $aBOURNAUD, C.
245 $aBurkholderia são simbiontes comuns e favoritos do grupo Piptadenia (tribo Mimoseae).
260 $aEmbrapa Agrobiologia$c2012
490 $a(Embrapa Agrobiologia. Boletim de Pesquisa e Desenvolvimento, 93).
650 $aBurkholderia
650 $aPiptadenia
653 $aTribo mimoseae
700 1 $aFARIA, S. M. de
700 1 $aSANTOS, M.
700 1 $aTISSEYRE, P.
700 1 $aSILVA, M. A. P. da
700 1 $aCHAINTREUIL, C.
700 1 $aGROSS, E.
700 1 $aJAMES, E.
700 1 $aPRIN, Y.
700 1 $aMOULIN, L.
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