Full TGIF Record # 72218
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Web URL(s):https://link.springer.com/article/10.1023/A%3A1026587418611
    Last checked: 09/27/2017
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Binet, Ph.; Portal, J. M.; Leyval, C.
Author Affiliation:Centre de Pèdologie Biologique, Vadoeuvre-les-Nancy, France
Title:Fate of polycyclic aromatic hydrocarbons (PAH) in the rhizosphere and mycorrhizosphere of ryegrass
Source:Plant and Soil. Vol. 227, No. 1/2, 2000, p. 207-213.
# of Pages:7
Publishing Information:Dordrecht, Netherlands: Kluwer Academic Publishers
Keywords:TIC Keywords: Polycyclic aromatic hydrocarbons; Rhizosphere; Mycorrhizal fungi; Biodegradation; Uptake; Adsorption; Roots; Shoots; Bioremediation; Land reclamation; Lolium perenne; Glomus mosseae; Root weight; Dry weight
Abstract/Contents:"Polycyclic aromatic hydrocarbons (PAH) can be degraded in the rhizosphere but may also interact with vegetation by accumulation in plant tissues or adsorption on root surface. Previous studies have shown that arbuscular mycorrhizal (AM) fungi contribute to the establishment and maintenance of plants in a PAH contaminated soil. We investigated the fate of PAH in the rhizosphere and mycorrhizosphere including biodegradation, uptake and adsorption. Experiments were conducted with ryegrass inoculated or not with Glomus mosseae P2 (BEG 69) and cultivated in pots filled with soil spiked with 5 g kg-1 of anthracene or with 1 g kg-1 of a mixture of 8 PAH in a growth chamber. PAH were extracted from root surfaces, root and shoot tissue and rhizosphere soil and were analysed by GC-MS. In both experiments, 0.006-0.11% of the initial extractable PAH concentration were adsorbed to roots, 0.003-0.16% were found in root tissue, 0.001% in shoot tissue and 36-66% were dissipated, suggesting that the major part of PAH dissipation in rhizosphere soil was due to biodegradation or biotransformation. With mycorrhizal plants, anthracene and PAH were adsorbed to roots and shoot tissue concentrations were lower than with non mycorrhizal plants, which could contribute to explain the beneficial effect of AM fungi on plant survival in PAH contaminated soils."
Language:English
References:25
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Binet, P., J. M. Portal, and C. Leyval. 2000. Fate of polycyclic aromatic hydrocarbons (PAH) in the rhizosphere and mycorrhizosphere of ryegrass. Plant Soil. 227(1/2):p. 207-213.
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https://link.springer.com/article/10.1023/A%3A1026587418611
    Last checked: 09/27/2017
    Access conditions: Item is within a limited-access website
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