Research Grants/Fellowships/SBIR

Exploitation of Plants for In Situ Bioremediation of Pesticide-Contaminated Sites

EPA 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.

Supplemental Keywords:

fellowship, pesticide, pesticide wastes, rhizosphere, contamination, degradation, bioavailability, soil, herbicide., Scientific Discipline, Toxics, Waste, Water, Contaminated Sediments, Environmental Chemistry, pesticides, Bioremediation, Ecology and Ecosystems, fate and transport, contaminant transport, microbial degradation, biodegradation, contaminated sediment, adsorption, biotechnology, contaminants in soil, bioremediation of soils, phytoremediation, rhizososphere