Bacterial endophyte‐enhanced phytoremediation of the organochlorine herbicide 2,4‐dichlorophenoxyacetic acid
作者： Kieran J. Germaine , Xuemei Liu , Guiomar Garcia Cabellos , Jill P. Hogan , David Ryan
DOI: 10.1111/J.1574-6941.2006.00121.X
关键词: Botany 、 Inoculation 、 Willow 、 Biology 、 Phytoremediation 、 2,4-Dichlorophenoxyacetic acid 、 Rhizosphere 、 Sativum 、 Endophyte 、 Soil contamination
摘要: 2,4-Dichlorophenoxyacetic acid is a selective systemic herbicide for the control of broad-leaved weeds, which widely used throughout world. The persistence its residues and potential to migrate in soil make it necessary reduce concentrations contaminated groundwater. nature this compound makes particularly toxic plants, such as poplar (Populus) willow (Salix), are often phytoremediation projects. We describe inoculation model plant, pea (Pisum sativum), with genetically tagged bacterial endophyte that naturally possesses ability degrade 2,4-dichlorophenoxyacetic acid. results showed strain actively colonized inoculated plants internally (and rhizosphere). Inoculated higher capacity removal from no accumulation their aerial tissues. This demonstrates usefulness endophytes enhance herbicide-contaminated substrates levels crop plants.
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