Effects of crude oil, oil components, and bioremediation on plant growth

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Title
Effects of crude oil, oil components, and bioremediation on plant growth
Author(s)
Kyung Hwa Baek; Hee Sik KimHee-Mock Oh; Byung Dae Yoon; Jai Soo Kim; In Sook Lee
Bibliographic Citation
Journal of Environmental Science and Health Part A-Toxic/Hazardous Substances & Environmental Engineering, vol. 39, no. 9, pp. 2465-2472
Publication Year
2004
Abstract
The phytotoxic effects of crude oil and components on the growth of red beans (Phaseolus nipponesis OWH1) and corn (Zea mays) was investigated. In addition, the beneficial effects of bioremediation with the oil-degrading microorganism, Nocardia sp. H17-1, on corn and red bean growth in oil-contaminated soil was also determined. It was found that crude oil-contaminated soil (10,000mg/kg) was phytotoxic to corn and red beans. In contrast, obvious phytotoxicity was not observed in soils contaminated with 0-1000mg/kg of aliphatic hydrocarbons such as decane (C10) and eicosane,(C20). Phytotoxicity was observed in soils contaminated with 10-1000mg/kg of the poly aromatic hydrocarbons (PAHs) naphthalene, phenanthrene, and pyrene. It was observed that phytotoxicity increased with the number of aromatic rings, and that corn was more sensitive than red beans to PAH-contaminated soil. Bioremediation with Nocardia sp. H17-1 reduced phytotoxicity more in corn than in red bean, suggesting that this microbial species might degrade PAHs to some degree.
Keyword
Aliphatic hydrocarbonsBioremediationCrude oilNocardia spPAHsPhytotoxicity
ISSN
1093-4529
Publisher
T&F (Taylor & Francis)
DOI
http://dx.doi.org/10.1081/ESE-200026309
Type
Article
Appears in Collections:
Synthetic Biology and Bioengineering Research Institute > Cell Factory Research Center > 1. Journal Articles
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