Evaluation of dissipation mechanisms for benzo[a]pyrene in the rhizosphere of tall fescue

Although polycyclic aromatic hydrocarbons are common contaminants in soil and are potentially carcinogenic and mutagenic, little is known about their fate in the soil/root environment. The impact of tall fescue (Festuca arundinacea Schreber) on chemical and biological transformations of benzo[a]pyre...

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Bibliographic Details
Published in:Journal of environmental quality 1999-01, Vol.28 (1), p.294-298
Main Authors: Banks, M.K, Lee, E, Schwab, A.P
Format: Article
Language:English
Subjects:
540220 - Environment, Terrestrial- Chemicals Monitoring & Transport- (1990-)
560300 - Chemicals Metabolism & Toxicology
Agronomy. Soil science and plant productions
Animal, plant and microbial ecology
Applied ecology
Aromatic hydrocarbons
AROMATICS
BENZOPYRENE
BIODEGRADATION
BIOLOGICAL ACCUMULATION
Biological and medical sciences
BIOLOGICAL AVAILABILITY
Carbon dioxide
CHEMICAL REACTIONS
CONDENSED AROMATICS
DECOMPOSITION
Degradation
Ecotoxicology, biological effects of pollution
Effects of pollution and side effects of pesticides on plants and fungi
Environmental impact
ENVIRONMENTAL SCIENCES
Festuca arundinacea
Fundamental and applied biological sciences. Psychology
GRAMINEAE
HYDROCARBONS
LAND POLLUTION
LILIOPSIDA
MAGNOLIOPHYTA
ORGANIC COMPOUNDS
PLANTS
Plants (botany)
pollutants
POLLUTION
RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT
REMEDIAL ACTION
Rhizosphere
Soil and water pollution
Soil science
SOILS
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Summary:Although polycyclic aromatic hydrocarbons are common contaminants in soil and are potentially carcinogenic and mutagenic, little is known about their fate in the soil/root environment. The impact of tall fescue (Festuca arundinacea Schreber) on chemical and biological transformations of benzo[a]pyrene in soil was investigated in a greenhouse experiment in which 14C-benzo[a]pyrene was added to soil and placed in sealed chambers with and without plants. The distribution or 14C in soil, plant tissue, and CO2 was quantified. Dissipation due to mineralization and volatilization accounted for
ISSN:0047-2425
1537-2537
DOI:10.2134/jeq1999.00472425002800010036x