Leaf growth of silver maple seedlings fumigated with SO/sub 2/ and ozone
Journal Article
·
· Phytopathology; (United States)
OSTI ID:5263896
Silver maple seedlings were fumigated for 12 h per day for 30 days with either 25 pphM O/sub 3/, 50 pphM SO/sub 2/, or both. Leaf length was measured three times a week throughout the study. At the end of the treatment period, leaf length, leaf width, leaf area and leaf dry weight were measured. Fumigation with SO/sub 2/, O/sub 3/, or both gases tended to retard leaf initiation, while fumigation with O/sub 3/ and O/sub 3/ plus SO/sub 2/ markedly reduced leaf length, width, area, and dry weight. Leaf shape and the leaf weight area ratio were not affected by fumigation. The reduction in leaf size of photosynthetic area caused by air pollutants may reduce the amount of photosynthate available for plant growth and result in slower growth of the entire plant.
- Research Organization:
- Dept. of Agriculture Forest Service, Delaware, OH
- OSTI ID:
- 5263896
- Journal Information:
- Phytopathology; (United States), Journal Name: Phytopathology; (United States) Vol. 70:5; ISSN PHYTA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
500200 -- Environment
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOLOGICAL EFFECTS
CHALCOGENIDES
CHEMICAL REACTIONS
DELAWARE
FEDERAL REGION III
GROWTH
LEAVES
MAPLES
MORPHOLOGY
NORTH AMERICA
OXIDES
OXYGEN COMPOUNDS
OZONE
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PLANT GROWTH
PLANTS
SEEDLINGS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
SYNTHESIS
TREES
USA
Atmospheric-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
560303* -- Chemicals Metabolism & Toxicology-- Plants-- (-1987)
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
BIOLOGICAL EFFECTS
CHALCOGENIDES
CHEMICAL REACTIONS
DELAWARE
FEDERAL REGION III
GROWTH
LEAVES
MAPLES
MORPHOLOGY
NORTH AMERICA
OXIDES
OXYGEN COMPOUNDS
OZONE
PHOTOCHEMICAL REACTIONS
PHOTOSYNTHESIS
PLANT GROWTH
PLANTS
SEEDLINGS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
SYNTHESIS
TREES
USA