Air pollutant effects influenced by plant-environmental interaction
Conference
·
· ACS Symp. Ser.; (United States)
OSTI ID:5871663
Genetic variability is a major determinant of plant tolerance to air pollutants. Tolerance and characteristics of symptoms are also dependent on exposure mode - acute exposure usually produces, symptoms quite different from those resulting from chronic exposure. Factors which influence susceptibility/tolerance include: (a) rapid-vigorous growth usually increased susceptibility; (b) plants grown in intense light are more susceptible to PAN; (c) low light intensity enhanced susceptibility to ozone; (d) a long dark period (24 hr) prior to exposure increased ozone susceptibility; (e) light before and after exposure to PAN is required for injury development; (f) a long photoperiod (24 hr) before exposure inhibited ozone injury; (g) high temperature during exposure in the field increased ozone susceptibility; (h) high relative humidity increased susceptibility to ozone and PAN; (i) soil moisture deficiency reduced susceptibility to ozone, PAN and SO/sub 2/; (j) salinity reduced susceptibility to ozone; (k) high nutrients (nitrogen) generally increased susceptibility; and (l) soil oxygen deficiency reduced susceptibility. 26 references.
- Research Organization:
- Univ. of California, Riverside
- OSTI ID:
- 5871663
- Report Number(s):
- CONF-740349-
- Conference Information:
- Journal Name: ACS Symp. Ser.; (United States) Journal Volume: 3
- 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.
ACUTE EXPOSURE
AIR POLLUTION
AROMATICS
AZINES
BIOLOGICAL EFFECTS
BIOLOGY
CHRONIC EXPOSURE
DIAZO COMPOUNDS
ELECTROMAGNETIC RADIATION
GENETICS
GROWTH
HETEROCYCLIC COMPOUNDS
HYDROXY COMPOUNDS
INJURIES
NAPHTHOLS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OZONE
PAN
PHENOLS
PLANT GROWTH
PLANTS
POLLUTION
PYRIDINES
RADIATIONS
TEMPERATURE EFFECTS
TOLERANCE
VARIATIONS
VISIBLE RADIATION
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
ACUTE EXPOSURE
AIR POLLUTION
AROMATICS
AZINES
BIOLOGICAL EFFECTS
BIOLOGY
CHRONIC EXPOSURE
DIAZO COMPOUNDS
ELECTROMAGNETIC RADIATION
GENETICS
GROWTH
HETEROCYCLIC COMPOUNDS
HYDROXY COMPOUNDS
INJURIES
NAPHTHOLS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
OZONE
PAN
PHENOLS
PLANT GROWTH
PLANTS
POLLUTION
PYRIDINES
RADIATIONS
TEMPERATURE EFFECTS
TOLERANCE
VARIATIONS
VISIBLE RADIATION