alexa Effect of Pesticide (Chlorpyrifos) on Soil Microbial Fl
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
Open Access

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Research Article

Effect of Pesticide (Chlorpyrifos) on Soil Microbial Flora and Pesticide Degradation by Strains Isolated from Contaminated Soil

Hindumathy CK* and Gayathri V
Department of Biotechynology, Vinayaka Mission University, Salem, Tamil Nadu, India
Corresponding Author : Hindumathy CK
Department of Biotechynology
Vinayaka Mission University
Salem-636308, Tamil Nadu, India
Tel: +91 9790690164
E-mail: [email protected]
Received: November 27, 2012; Accepted: January 23, 2013; Published: January 25, 2013
Citation: Hindumathy CK, Gayathri V (2013) Effect of Pesticide (Chlorpyrifos) on Soil Microbial Flora and Pesticide Degradation by Strains Isolated from Contaminated Soil. J Bioremed Biodeg 4:178. doi:10.4172/2155-6199.1000178
Copyright: © 2013 Hindumathy CK, et al. This is an open-a ccess article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

In the present study, the effect of pesticide (Chlorpyrifos) on rhizospheric soil and non–rhizospheric soil of two plants marigold and Canna has been investigated. Further, microorganisms have been isolated from Rhizospheric and Non–Rhizospheric soil, characterized and their pesticide degradation ability was investigated. Most of bio process materials have been taken and analyzed for microbial composition. The efficiency of microbial consortium obtained from each of this bio process material for chlorpyrifos degradation has been studied. The result indicates that presence of glucose supports more biomass, which in turn brings about higher degradation and dissipation of pesticide. Maximum 84.5% dissipation was observed through bacterial isolate in presence of glucose as compared to 73.3% dissipation in absence of glucose. In case of fungal isolate 76% dissipation occurred in presence of glucose and only 58% was dissipated in absence of glucose. Both the isolates showed resistance to chlorpyrifos at 10 ppm concentration and also brought about significant dissipation of this pesticide. Therefore, these isolated could be potential candidates for microbe mediated bioremediation of chlorpyrifos contaminated soils.

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