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Field evaluation of native white grub bio-agent, Bacillus cereus strain WGPSB-2 in Uttarakhand Himalayas and its impact on soil microbiota

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Title Field evaluation of native white grub bio-agent, Bacillus cereus strain WGPSB-2 in Uttarakhand Himalayas and its impact on soil microbiota
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Creator ARNS Subbanna, J Stanley, Anu Deol, JP Gupta, PK Mishra, SN Sushil, SK Jain, JC Bhatt and Amit Paschapur
 
Subject Bacillus cereus, management, microbiota, Uttarakhand Himalayas, white grubs
 
Description Not Available
A microbial pathogen, Bacillus cereus strain WGPSB-2 isolated from mid hills of Uttarakhand
Himalayas (1000-1500 amsl) had potential as a biocontrol agent against white grubs of the region. Thus,
the pathogen’s ability to suppress grubs was investigated under field conditions over a period of five
years in five villages of the region. A single dose annual application of WGPSB-2 as talc based
formulation (1x1010 spores/g) at the rate of 5kg/ha showed a sharp decline in grub population over the
years in all the targeted villages. Pit sampling data showed maximum grub reduction during initial years
of treatment in all villages and found significant for time, villages and time X village interactions in
repeated measures ANOVA. Twenty four months post-inoculation resilience took place in micropits
tested for bioagent impact on micro-floral densities, resulting in similar/ positive structures of tested
microbial populations. The substantial numerical reduction of grub density coupled with no negative
impacts on soil inhabitant microbiota, signifies WGPSB-2 as a vibrant technological option in this
ecologically sensitive region.
Not Available
 
Date 2021-06-17T10:32:15Z
2021-06-17T10:32:15Z
2020-08-16
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/47340
 
Language English
 
Relation Not Available;
 
Publisher Entomoljournal