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Biodegradation of the Organophosphorus insecticide Dichlorvas by Bacillus species isolated from Grape wine yard Soils from Sangli District, M.S., India

Author Affiliations

  • 1JJT University, Vidyanagari, Jhunjhunu, Rajasthan, INDIA
  • 2 Bharati Vidyapeeth’s M.B.S.K. Kanya Mahavidyalaya, Kadegaon, Dist. Sangli, Maharashtra, INDIA

Int. Res. J. Environment Sci., Volume 3, Issue (5), Pages 8-12, May,22 (2014)

Abstract

In countries like India insecticides play an important role in horticulture sector. Their importance in crop yield improvement, especially in Grape production, is understood and well accepted. But still they pose a threat to the environment due to their toxic nature and persistence in the food chain. Therefore, the study focuses on the development of a method to reduce the environmental burden of the insecticides by way of biodegradation. During this study, 7 different Bacillus strains isolated from grape rhizosphere soils were found to show significant tolerance ability towards an organophosphorus insecticide, Dichlorvas. Results indicated that out of 7 strains, only one strain could degrade the insecticide at the level of 10mg/L and 15mg/L. Also, the degradation of Dichlorvas was enhanced when medium was provided with glucose as an inducer for growth of bacteria.

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