Stomatal response of three birch species exposed to varying acute doses of SO2

Research output: Contribution to journalArticle

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Abstract

Seedlings of 3 birch species were exposed to either 0.3, 0.6, 0.9, or 1.2 ppm SO2 for 1, 2, 3, or 4 hours. Stomatal conductance rate measurements of 10 plants were taken prior to and immediately following each exposure. The percentage of leaf tissue injured by SO2 was estimated 72 hours after exposure. Stomatal conductance rates of European white birch (Betula pendula Roth.) and yellow birch (B. lutea Michx. f.) increased after exposure to 0.3 ppm SO2 for 1 and 2 hours, and decreased in response to all other doses of SO2. Stomatal conductance rates of gray birch (B. populifolia Marsh.) increased only after exposure to 0.6 ppm SO2 for 1 and 3 hours and decreased in response to all other dosages. European white birch was slightly more susceptible to SO2 than gray birch, whereas yellow birch was tolerant.

Original languageEnglish (US)
Pages (from-to)514-516
Number of pages3
JournalJournal of the American Society for Horticultural Science
Volume105
Issue number4
StatePublished - Jan 1 1980

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Betula alleghaniensis
Betula
Betula pendula
Betula populifolia
stomatal conductance
dosage
marshes
seedlings
Wetlands
leaves
Seedlings

All Science Journal Classification (ASJC) codes

  • Genetics
  • Horticulture

Cite this

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abstract = "Seedlings of 3 birch species were exposed to either 0.3, 0.6, 0.9, or 1.2 ppm SO2 for 1, 2, 3, or 4 hours. Stomatal conductance rate measurements of 10 plants were taken prior to and immediately following each exposure. The percentage of leaf tissue injured by SO2 was estimated 72 hours after exposure. Stomatal conductance rates of European white birch (Betula pendula Roth.) and yellow birch (B. lutea Michx. f.) increased after exposure to 0.3 ppm SO2 for 1 and 2 hours, and decreased in response to all other doses of SO2. Stomatal conductance rates of gray birch (B. populifolia Marsh.) increased only after exposure to 0.6 ppm SO2 for 1 and 3 hours and decreased in response to all other dosages. European white birch was slightly more susceptible to SO2 than gray birch, whereas yellow birch was tolerant.",
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Stomatal response of three birch species exposed to varying acute doses of SO2 . / Biggs, A. R.; Davis, Donald Durwood.

In: Journal of the American Society for Horticultural Science, Vol. 105, No. 4, 01.01.1980, p. 514-516.

Research output: Contribution to journalArticle

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