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Growth responses of woody species to long- and short-term fumigation with sulfur dioxide

Book ·
OSTI ID:6475117
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Height growth of silver maple, white ash, yellow-poplar, sycamore, eastern cottonwood, and white spruce seedlings was not significantly influenced by 0.15 ppm SO/sub 2/ for 8 hours/day, 5 days/week. A fumigation treatment of 0.25 ppm SO/sub 2/ for 8 hours/day, 5 days/week did not significantly affect height growth of black alder, yellow-poplar and white spruce seedlings but significantly reduced the height growth of eastern cottonwood, green ash, and sycamore seedlings. Exposure to toxic concentrations of SO/sub 2/ (1 to 4 ppm) for 2 to 8 hours significantly affected the height growth and caused leaf injury in silver maple and yellow-poplar seedlings. Growth was only suppressed for 14 days after the toxic fumigation because by that time new leaves had formed and normal growth had resumed.
OSTI ID:
6475117
Country of Publication:
United States
Language:
English

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Related Subjects

560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
BIOLOGICAL EFFECTS
CHALCOGENIDES
COMPARATIVE EVALUATIONS
GROWTH
OXIDES
OXYGEN COMPOUNDS
PLANT GROWTH
PLANTS
POLLUTION
SEEDLINGS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
TREES
VARIATIONS