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Building the foundations of a Coffea arabica FSPM. Repositório Alice
DAUZAT, J.; GRIFFON, S.; ROUPSARD, O.; VAAST, P.; RODRIGUES, G. C.; DAUZAT, J.; GRIFFON, S.; ROUPSARD, O.; VAAST, P.; RODRIGUES, G. C..
Highlights: Several data sets are being gathered to build a functional-structural model for Coffea arabica. The one pitfall in this integration process is the difficulty of calibrating a large number of parameters. A step by step procedure is thus necessary to validate the sub-models. The focus is put here on the backward reconstruction of the plant structure from its description at a given times as a way to decrease the degrees of freedom of the model before addressing the carbon acquisition and allocation.
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Estrutura de planta; Captura de luz; Light capture; Café; Coffea arabica; Plant architecture.
Ano: 2013 URL: http://www.alice.cnptia.embrapa.br/handle/doc/979008
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Effects of shade on the development and sugar metabolism of coffee (Coffea arabica L.) fruits. Repositório Alice
GEROMEL, C.; FERREIRA, L. P.; DAVRIEUX, F.; GUYOT, B.; RIBEYRE, F.; SCHOLZ, M. B. dos S.; PEREIRA, L. F. P.; VAAST, P.; POT, D.; LEROY, T.; ANDROCIOLI FILHO, A.; VIEIRA, L. G. E.; MAZZAFERA, P.; MARRACCINI, P..
Coffee fruits grown in shade are characterized by larger bean size than those grown under full-sun conditions. The present study assessed the effects of shade on bean characteristics and sugar metabolism by analyzing tissue development, sugar contents, activities of sucrose metabolizing enzymes and expression of sucrose synthase-encoding genes in fruits of coffee (Coffea arabica L.) plants submitted to full-sun (FS) and shade (SH) conditions. Evolution of tissue fresh weights measured in fruits collected regularly from flowering to maturation indicated that this increase is due to greater development of the perisperm tissue in the shade. The effects of light regime on sucrose and reducing sugar (glucose and fructose) contents were studied in fresh and dry...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Coffea arabica; Fruit development; Gene expression; Shade; Sucrose synthase; Sugar metabolism.
Ano: 2008 URL: http://www.alice.cnptia.embrapa.br/handle/doc/880536
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