Article
Growth and crown architecture of two aspen genotypes exposed to interacting ozone and carbon dioxide.
Environmental pollution (Barking, Essex : 1987) - 1 Jan 2001
Dickson R E, Coleman M D, Pechter P, Karnosky D
Abstract excerpt
To study the impact of ozone (O3) and O3 plus CO2 on aspen growth, we planted two trembling aspen clones, differing in sensitivity to O3 in the ground in open-top chambers and exposed them to different concentrations of O3 and O3 plus CO, for 98 days. Ozone exposure (58 to 97 microl l(-1)-h. total exposure) decreased growth and modified crown architecture of both aspen clones. Ozone exposure decreased leaf, stem,...
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