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Growth, photosynthesis and leaf water potential in young plants of Copaifera langsdorffii Desf. (Caesalpiniaceae) under contrasting irradiances. Repositório Alice
RONQUIM, C. C.; PRADO, H. B. A. P.; SOUZA, J. P. de.
Growth and leaf nutrient content were compared in young potted plants of Copaifera langsdorffii in sunny and shaded areas without water stress. Besides, carbon assimilation and leaf water relations were evaluated by net photosynthesis, potential photochemical efficiency and water potential during dally courses in dry and rainy periods under natural conditions in both contrasting irradiances. Higher values of total biomass, height and leaf area occurred in sunny than in shaded area. On the other hand, all young plants survived in shade under natural water stress probably by reason of fast and intense biomass accumulation in favor of roots in early development. There was no significant difference about nutrient concentration in leaves between plnats growing...
Tipo: Artigo de periódico Palavras-chave: Biomass partitioning; Chlorophyll fluorescense; Leaf gas exchange; Irradiance; Sunflecks.; Cerrado..
Ano: 2009 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/662613
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