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| 1. |  | CASTILHO, J. O. P.; ANDREATTA, T.; OLIVEIRA, N. J.; MÜLLER, M.; SUÑÉ, R. W.; SANTOS, S. L. dos; PORCIÚNCULA, G. C. da. Desempenho técnico-econômico de novilhos europeus e cruzados em confinamento sem volumoso no Município de Dom Pedrito - RS. In: CONGRESSO BRASILEIRO DE ZOOTECNIA, 22., 2012, Cuiabá. A importância da zootecnia para a segurança alimentar: [anais]. Cuiabá: Universidade Federal de Mato Grosso, 2012. 1 CD-ROM.| Biblioteca(s): Embrapa Pecuária Sul. |
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 | Acesso ao texto completo restrito à biblioteca da Embrapa Amazônia Oriental. Para informações adicionais entre em contato com cpatu.biblioteca@embrapa.br. |
Registro Completo
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Biblioteca(s): |
Embrapa Amazônia Oriental. |
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Data corrente: |
10/08/2017 |
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Data da última atualização: |
22/12/2021 |
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Tipo da produção científica: |
Artigo em Periódico Indexado |
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Circulação/Nível: |
B - 1 |
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Autoria: |
CAIRO, P. A. R.; OLIVEIRA, L. E. M. de; MESQUITA, A. C.; CUNHA, R. L. |
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Afiliação: |
PAULO ARAQUÉM RAMOS CAIRO, Southwest Bahia State University; LUIZ EDSON MOTA DE OLIVEIRA, UFLA; ALESSANDRO CARLOS MESQUITA, Bahia State University; ROBERTO LISBOA CUNHA, CPATU. |
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Título: |
Seasonal variation in the enzymatic activity of the source-sink system of rubber plants in a clonal garden. |
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Ano de publicação: |
2015 |
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Fonte/Imprenta: |
Journal of Rubber Research, v. 18, n. 3, p. 139-147, 2015. |
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Idioma: |
Inglês |
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Conteúdo: |
Ribulose-1,5-bisphosphate carboxylase oxygenase (Rubisco) is a key enzyme in the reactions of CO2 assimilation in plants. Primary carbohydrates are converted into sucrose, which depends on the sucrose-P synthase (SPS) as a pivotal enzyme. In rubber tree, sucrose hydrolysis can occur intensively in the laticiferous cells of the stem and depends on the invertase (Inv) and sucrose synthase (SuSy) enzyme, producing reducing sugars, which are precursors of latex biosynthesis. The aim of this work was to evaluate seasonal changes in Rubisco, SPS, Inv and SuSy activities of rubber plants in a clonal garden (RRIM 600 and GT 1 clones), during warm/rainy and cold/dry seasons in Lavras, Minas Gerais, Brazil. The climatic differences in warm/rainy and cold/dry periods caused significant changes in all enzymatic activities evaluated. All enzymes had better performances in the warm/rainy period than in cold/dry. Enzymatic activities seemed to be more affected by temperature changes than by precipitation decrease. |
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Thesagro: |
Metabolismo; Sacarose; Seringueira; Variação Sazonal. |
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Categoria do assunto: |
K Ciência Florestal e Produtos de Origem Vegetal |
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Marc: |
LEADER 01643naa a2200205 a 4500
001 2073869
005 2021-12-22
008 2015 bl uuuu u00u1 u #d
100 1 $aCAIRO, P. A. R.
245 $aSeasonal variation in the enzymatic activity of the source-sink system of rubber plants in a clonal garden.$h[electronic resource]
260 $c2015
520 $aRibulose-1,5-bisphosphate carboxylase oxygenase (Rubisco) is a key enzyme in the reactions of CO2 assimilation in plants. Primary carbohydrates are converted into sucrose, which depends on the sucrose-P synthase (SPS) as a pivotal enzyme. In rubber tree, sucrose hydrolysis can occur intensively in the laticiferous cells of the stem and depends on the invertase (Inv) and sucrose synthase (SuSy) enzyme, producing reducing sugars, which are precursors of latex biosynthesis. The aim of this work was to evaluate seasonal changes in Rubisco, SPS, Inv and SuSy activities of rubber plants in a clonal garden (RRIM 600 and GT 1 clones), during warm/rainy and cold/dry seasons in Lavras, Minas Gerais, Brazil. The climatic differences in warm/rainy and cold/dry periods caused significant changes in all enzymatic activities evaluated. All enzymes had better performances in the warm/rainy period than in cold/dry. Enzymatic activities seemed to be more affected by temperature changes than by precipitation decrease.
650 $aMetabolismo
650 $aSacarose
650 $aSeringueira
650 $aVariação Sazonal
700 1 $aOLIVEIRA, L. E. M. de
700 1 $aMESQUITA, A. C.
700 1 $aCUNHA, R. L.
773 $tJournal of Rubber Research$gv. 18, n. 3, p. 139-147, 2015.
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Embrapa Amazônia Oriental (CPATU) |
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