alexa Natural occurrence of potential fungal biopesticidenomuraeaRileyi (Farlow) samson associated with agriculture fields of tamilnadu, india and its compatibility with metallic nanoparticles.
Environmental Sciences

Environmental Sciences

Journal of Ecosystem & Ecography

Author(s): Namasivayam KR, Bharani RSA, Ansari MR

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In the present study, natural occurrence of major fungal biopesticide Nomuraea rileyi (Farlow) Samson associated with agricultural field soil in an area around TamilNadu, India was studied adapting culture dependent method. Agricultural field soil samples were collected from ten different sites. Soil dilution method was used to isolate N. rileyi. A total of 123 isolates of N.rileyi were obtained. Among the 10 sampling sites, Nomurea rileyi was isolated from 4 sites belonging to Hasthampatty (Salem) Rajakoil (Vellore) Vadavali (Coimbatore), Pullarakottai (Viruthunagar), High frequency of fungal occurrence was recorded in vadavali (60%) followed by Pullarakottai (17%), Hasthampatty (13%,) Rajakoil (10%). Non Nomurae rileyi strains belong to Beauveria sp and Metarhizium sp were also isolated. Fungal occurrance was highly influenced by soil physico-chemical parameters. Effect of metallic nanoparticles such as silver, copper and the respective nanoparticles coated with chitosan on the post treatment persistance of N. rileyi was also studied.Distinct effcet on the growth of N. rileyi was recorded in copper nanoparticles with high concentration.

This article was published in J BiofertilBiopestici and referenced in Journal of Ecosystem & Ecography

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