Author(s): Liste HH, Alexander M
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Abstract A study was conducted to determine PAH concentrations in the rhizosphere of plants grown in soil containing phenanthrene or pyrene. The rhizosphere of tall fescue and wheat grown in sterile soil contained 4-5-fold higher pyrene concentrations than unplanted soil. The rhizosphere of several plant species grown in non-sterile soil temporarily contained appreciably more phenanthrene or pyrene than unplanted soil, but those PAHs were degraded with time. The data suggest that plants accumulate such hydrophobic compounds in the rhizosphere after facilitating their transport toward the roots.
This article was published in Chemosphere
and referenced in Pharmaceutical Analytical Chemistry