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Novel bioinsecticidal gel formulation with improved shelf life and infectivity

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Title Novel bioinsecticidal gel formulation with improved shelf life and infectivity
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Creator A. Mukhopadhyay, A. Singh, N Somvanshi, V.S. and Patanjali
 
Subject Allelochemicals, allelopathic effects, biocontrol, bio-formulation, entomopathogenic nematode (EPN), Galleria mellonella, gel, in-vitro, lipid metabolism, Steinernema thermophilum.
 
Description Not Available
In this study, the infective juveniles (IJ) of Steinernema thermophilum were immobilized in biopolymer based green gels with lipid metabolism arrestant compound (OA) as adjuvant. Four test bioformulations were prepared using binary biopolymeric crosslinked composite (GkCBC) and the biopolymer (Gk) and stored at 25° C. The survival (%) of IJs infectivity potential of stored bioformulations was assessed under in vitro conditions up to 4 months. Shelf life evaluation at 25oC, showed 75-90 % survival of IJs in gel and composite formulations after 4th month than 68 % in aqueous suspension. Addition of OA as adjuvant enhanced the nematode survival than without OA. Formulation GkCBC with OA at 75-100 % moisture content proved best for nematode survival and showing the allelopathic effects against test insect. The IJs immobilized formulations containing OA, irrespective of moisture content were more virulent against Galleria mellonella (4th instar larvae), than other compositions. New findings from this work will be validated to develop the biocontrol EPN technology for organic farming.
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Date 2024-04-22T16:07:32Z
2024-04-22T16:07:32Z
2020-02-01
 
Type Research Paper
 
Identifier Not Available
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http://krishi.icar.gov.in/jspui/handle/123456789/82264
 
Language English
 
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Publisher Not Available