Sulfur dioxide injury, sulfur content, and stomatal conductance of birch foliage

A. R. Biggs, D. D. Davis

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

Seedlings of three birch species were exposed biweekly to 2358 μg/m3 (0.9 ppm) SO2 for 2 h from May to September 1977. Leaf sulfur content of the birch foliage increased following exposure to SO2, but sulfur accumulation was not correlated with visible injury. Relative susceptibility was significantly correlated with preexposure leaf conductance rates of Betula nigra L. and B. papyrifera Marsh., but not for B. pubescens Ehrh. Leaf conductance rates were not correlated with sulfur accumulation.

Original languageEnglish (US)
Pages (from-to)69-72
Number of pages4
JournalCanadian Journal of Forest Research
Volume11
Issue number1
DOIs
StatePublished - Jan 1 1981

All Science Journal Classification (ASJC) codes

  • Global and Planetary Change
  • Forestry
  • Ecology

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