Growth of radish and marigold following repeated exposure to nitrogen dioxide, sulfur dioxide, and ozone

Journal Article · Mon Feb 01 00:00:00 EST 1982 · Plant Dis.; (United States)

DOI:https://doi.org/10.1094/PD-66-122· OSTI ID:6538195

Reinert, R A; Sanders, J S

Radish and marigold plants were exposed to 0.3 ppm of nitrogen dioxide (NO/sub 2/), sulfur dioxide (SO/sub 2/), and/or ozone (O/sub 3/) nine times during a 3-wk period. No interactions among NO/sub 2/, SO/sub 2/, and O/sub 3/ were detected in measurement of radish foliage and root dry weight. Treatments containing O/sub 3/ reduced radish foliage and root (hypocotyl) dry weight 356 and 531 mg/plant, respectively. Interactions among NO/sub 2/, SO/sub 2/, and O/sub 3/ occurred in shoots and roots of marigold. SO/sub 2/ alone reduced marigold shoot and root dry weight, but this effect was reversed in the presence of O/sub 3/. The suppressive effect of SO/sub 2/ on root weight was also reversed by NO/sub 3/. Treatments containing SO/sub 2/ reduced dry flower weight 0.17 g/plant, but effects of the pollutant interactions observed in shoots and roots were not present.

• Research Organization: Dept. of Agriculture, Raleigh, NC
• OSTI ID: 6538195
• Journal Information: Plant Dis.; (United States), Vol. 66:2
• Country of Publication: United States
• Language: English

Related Subjects

63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
AIR POLLUTION
BIOLOGICAL EFFECTS
COMPARATIVE EVALUATIONS
FLOWERS
GROWTH
NITROGEN DIOXIDE
OZONE
RADISHES
SULFUR DIOXIDE
CHALCOGENIDES
FOOD
NITROGEN COMPOUNDS
NITROGEN OXIDES
OXIDES
OXYGEN COMPOUNDS
PLANTS
POLLUTION
SULFUR COMPOUNDS
SULFUR OXIDES
VEGETABLES
560303* - Chemicals Metabolism & Toxicology- Plants- (-1987)