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Exploitation of Plants for In Situ Bioremediation of Pesticide-Contaminated SitesEPA Grant Number: U914772
Title: Exploitation of Plants for In Situ Bioremediation of Pesticide-Contaminated Sites
Investigators: Kruger, Ellen L.
Institution: Iowa State University
EPA Project Officer: Broadway, Virginia
Project Period: January 1, 1995 through January 1, 1996
Project Amount: $102,000
RFA: STAR Graduate Fellowships (1995) Recipients Lists
Research Category: Fellowship - Health , Health Effects , Academic Fellowships
The overall objective of this research project is to determine whether the presence of plants at pesticide-contaminated sites enhances the dissipation of pesticide wastes as a result of increased degradation by microbial communities in the rhizosphere.
Experiments will be conducted to address these specific hypotheses: (1) rhizosphere soil from Kochia sp. growing in soil contaminated with pesticides will degrade high concentrations of a herbicide mixture more rapidly than similar soil not previously exposed to such contamination; (2) herbicide-resistant plants will increase the bioavailability and degradation of herbicides that have aged in soil; and (3) a rhizosphere effect can be created in subsurface soil from a contaminated site, thus supporting the importance of the rhizosphere effect in rapid degradation of pesticide wastes.