alexa Mycoremediation of Imidaclopridin the Presence of Different Soil Amendments using Trichoderma_longibrachiatum and Aspergillusoryzae Isolated from Pesticide Contaminated Agricultural fields of Uttarakhand | Abstract
ISSN: 2155-6199

Journal of Bioremediation & Biodegradation
Open Access

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Research Article

Mycoremediation of Imidaclopridin the Presence of Different Soil Amendments using Trichoderma_longibrachiatum and Aspergillusoryzae Isolated from Pesticide Contaminated Agricultural fields of Uttarakhand

Saurabh Gangola*, Pankaj, Priyanka Khati and Anita Sharma
Department of Microbiology, GBPUAT, Pantnagar, Uttarakhand
Corresponding Author : Saurabh Gangola
Department of Microbiology
GBPUAT Pantnagar, Uttarakhand
Tel: 094583 22830
E-mail: [email protected]
Received July 02, 2015; Accepted August 07, 2015; Published August 09, 2015
Citation: Gangola S, Pankaj, Khati P, Sharma A (2015) Mycoremediation of Imidaclopridin the Presence of Different Soil Amendments using Trichoderma_longibrachiatum and Aspergillusoryzae Isolated from Pesticide Contaminated Agricultural fields of Uttarakhand. J Bioremed Biodeg 6:310. doi:10.4172/2155-6199.1000310
Copyright: © 2015 Gangola S, 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

Imidacloprid (I-[(6-chloro-3-pyridinyl)-methyl]-N-nitro-2-imidazolidinimine), is a chloronicotinyl insecticide and used to control biting and sucking insects, It is very persistent in the soil with a half-life of more than 100 days. Biodegradation of imidacloprid (20) ppm was checked at 0, 10 and 15 day interval by two fungal isolates, from contaminated soil of agricultural field. The isoates were characterized as Aspergillusoryzae and Trichodermalongibrachiatumon the basis of morphological and molecular techniques. Highest degradation of imidacloprid was reported in consortium (92%) followed by FII(85%), FIII (81%) and control(11%)after 15 days.Immobilization of fungal isolates in sodium alginate and agar disc enhanced biodegradation of imidacloprid. After 15 days, maximum biodegradation of imidacloprid was (95%) and (97%) in consortium immobilized in sodium alginate, and agar discs respectively. Effect of organic amendment on rate of biodegradation was also observed. The maximum biodegradation was observed in consortium amended with bagasse (99%) followed by consortium amended with Hen Manure (94%) and consortium amended with Farm Yard Manure (91%). ITS regions of the two fungal isolates i.e FII and FIII showed 100% similarity with Aspergillusoryzae and Trichodermalongibrachiatum respectively.

Keywords

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