Photosynthesis and leaf nutrient contents in Ochroma pyramidale (Bombacaceae)

Title:

Photosynthesis and leaf nutrient contents in Ochroma pyramidale (Bombacaceae)

Creator:

Marenco, R. A., de C. Gonçalves, J. F., and Vieira, G.

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:c0917d8e-6ab3-4864-a273-ba4ff26d65c0
uuid:c0917d8e-6ab3-4864-a273-ba4ff26d65c0
issn:0300-3604
doi:10.1023/A:1015699927924

Subject:

Amazonia, balsa wood, Ca, foliar nutrients, Mg, NPK, starch, stomatal conductance, transpiration, and water-use efficiency

Type:

model:article and TEXT

Format:

bez média and svazek

Description:

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. and R. A. Marenco, J. F. de C. Gonçalves, G. Vieira.

Language:

Multiple languages

Rights:

http://creativecommons.org/licenses/by-nc-sa/4.0/
policy:public

Coverage:

539-543

Source:

Photosynthetica | 2001 Volume:39 | Number:4

Harvested from:

CDK

Metadata only:

false