Aspen Bibliography

Winter uptake of airborne SO2 by shoots of deciduous species

Authors

T. Keller

Document Type

Article

Journal/Book Title/Conference

A Environmental Pollution

Volume

26

Issue

4

First Page

313

Last Page

317

Publication Date

1981

Abstract

Cuttings of larch, elm, maple and aspen were continuously fumigated with low SO2 concentrations for several winter months. Before bud break they were transferred into pure air. In the subsequent developing foliage (4 weeks old) S content and peroxidase activity were determined. Some species showed distinct direct S uptake from the air (no S accumulation in soil solution detectable). No increase in peroxidase activity, which would have suggested stress, was found in any species.

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