Ozone-induced H2O2 accumulation in field-grown aspen and birch is linked to foliar ultrastructure and peroxisomal activity

E. Oksanen; E. Häikiö; J. Sober; D.F. Karnosky

Ozone-induced H₂O₂ accumulation in field-grown aspen and birch is linked to foliar ultrastructure and peroxisomal activity

Informally Refereed

Authors:

E. Oksanen, E. Häikiö, J. Sober, D.F. Karnosky

Year:

2003

Type:

Scientific Journal

Station:

Northern Research Station

Source:

New Phytologist. 161: 791-799.

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Abstract

Saplings of three aspen (Populus tremuloides) genotypes and seedlings of paper birch (Betula papyrifera) were exposed to elevated ozone (1.5x ambient) and 560 p.p.m. CO₂, singly and in combination, from 1998 at the Aspen-FACE (free-air CO₂ enrichment) site (Rhinelander, USA).

Keywords

ozone, carbon dioxide, aspen ( Populus tremuloides ), paper birch ( Betula papyrifera ), oxidative stress, H2 O2, peroxisomes, catalase

Citation

Oksanen, E.; Häikiö, E.; Sober, J.; Karnosky, D.F. 2003. Ozone-induced H₂O₂ accumulation in field-grown aspen and birch is linked to foliar ultrastructure and peroxisomal activity. New Phytologist. 161: 791-799.