Photosynthesis and leaf nutrient contents in Ochroma pyramidale (Bombacaceae)

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Campo DC	Valor	Idioma
dc.contributor.author	Marenco, Ricardo Antonio	-
dc.contributor.author	De, J. F.	-
dc.contributor.author	Vieira, Gil	-
dc.date.accessioned	2020-06-15T22:05:21Z	-
dc.date.available	2020-06-15T22:05:21Z	-
dc.date.issued	2001	-
dc.identifier.uri	https://repositorio.inpa.gov.br/handle/1/19096	-
dc.description.abstract	In Ochroma pyramidale (Cav. ex Lam.) Urb., photon-saturated photosynthetic capacity (PNmax) was 13 μmol(CO2) m-2 s-1. Average stomatal conductance (gs) and water-use efficiency (WUE) were greater at high irradiance, about 260 mmol(H2O) m-2 s-1 and 2.15 g(C) kg-1(H2O), respectively. In the dark, gs values were about 30 % of maximum gs. Leaf nutrient contents on a leaf area basis were 131, 15, 36, 21, and 12 mmol m-2 for N, P, K, Ca, and Mg, respectively. Ochroma also accumulated a greater amount of soluble saccharides than starch, 128 versus 90 g kg-1(DM). The availability of N and Mg, but not P, Ca, or K, may limit photosynthetic rates of Ochroma in this site.	en
dc.language.iso	en	pt_BR
dc.relation.ispartof	Volume 39, Número 4, Pags. 539-543	pt_BR
dc.rights	Restrito	*
dc.subject	Malvaceae	en
dc.subject	Ochroma	en
dc.subject	Ochroma Pyramidale	en
dc.title	Photosynthesis and leaf nutrient contents in Ochroma pyramidale (Bombacaceae)	en
dc.type	Artigo	pt_BR
dc.identifier.doi	10.1023/A:1015699927924	-
dc.publisher.journal	Photosynthetica	pt_BR
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