Effect of sulfur dioxide on wheat development

Journal Article · Wed Jan 01 04:00:00 EST 1936 · Ind. Eng. Chem.; (United States)

DOI:https://doi.org/10.1021/ie50313a014· OSTI ID:5014629

Swain, R E; Johnson, A B

This investigation was undertaken to determine whether growing plants are injured when exposed over long periods to concentrations of sulfur dioxide which are insufficient to produce typical foliar markings. If, as has been claimed, concentrations of this gas in the air, near yet below the threshold of visible injury, are actually injurious to plant growth, the question at once broadens in its industrial importance. Wheat plants were grown in nutrient solutions in two cabinets under duplicate conditions of temperature, light, intensity, humidity, and circulation air volume. They were in darkness for 8 hours and under illumination for 16 hours daily. In the test runs, sulfur dioxide in carefully regulated amounts was added daily to the air stream passing through one of the two cabinets for periods of 3 to 6 hours of the illumination period. Quantitative determinations of the concentration were made every 5 minutes by the continuous sampling method. Measurements of the length and number of tillers, and quantitative estimations of the weight of dry tissue per plant, were made. In none of the six runs was there any evidence of action unfavorable to normal growth and development. 6 references, 7 figures, 2 tables.

• Research Organization: Stanford Univ., CA
• OSTI ID: 5014629
• Journal Information: Ind. Eng. Chem.; (United States), Journal Name: Ind. Eng. Chem.; (United States) Vol. 28:1; ISSN IECHA
• Country of Publication: United States
• Language: English

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.
AIR POLLUTION
ATMOSPHERES
BIOLOGICAL EFFECTS
CEREALS
CHALCOGENIDES
CONTROLLED ATMOSPHERES
ELECTROMAGNETIC RADIATION
GRASS
GROWTH
OXIDES
OXYGEN COMPOUNDS
PLANT GROWTH
PLANTS
POLLUTION
RADIATIONS
SULFUR COMPOUNDS
SULFUR DIOXIDE
SULFUR OXIDES
VISIBLE RADIATION
WEIGHT
WHEAT