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Safety evaluation of some newer pesticides against lac insect (Kerria lacca) for managing predators

Indian Agricultural Research Journals

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Title Safety evaluation of some newer pesticides against lac insect (Kerria lacca) for managing predators
 
Creator SINGH, J P
JAISWAL, A K
MONOBRULLAH, MD
 
Subject Kerria lacca; Lac insect; Pesticides; Safety evaluation
 
Description Seven newer insecticides, viz indoxacarb, spinosad, fipronil, lambdacyhalothrin, alphamethrin, bifenthrin and carbosulfan along with two recommended insecticides namely ethofenprox and endosulfan have been evaluated against first and second larval stages of lac insect for its safety, so that it can be further assessed for their bioefficacy against harmful biotic fauna associated with lac insect. Insecticides namely spinosad (0.0025, 0.005, 0.01 and 0.02%), indoxacarb (0.003, 0.005, 0.007, 0.01 and 0.02%), fipronil (0.0025, 0.005 and 0.01%) and carbosulfan (0.01 and 0.02%) have been found safe against first and second instar larvae of both kusmi and rangeeni strain of lac insect under field conditions. Lambdacyhalothrin, alphamethrin and bifenthrin were found safe to lac insect at lower concentrations, but detrimental effect on survival of lac insect was observed with increase in dosages, hence may not be suitable for application at the initial stage of crop development (first application) in lac production system. It is suggested that newer compounds like spinosad (0.005%) which is a naturalyte synthetic analogue compound produced by fermentation of a rare bacterium, Sacharopolyspora spinosa, indoxacarb (0.005%), fipronil (0.005%) and carbosulfan (0.01%), with different mode of action and whose safety against lac insect has been evaluated and established at some higher concentrations also, can be incorporated in pest management programme to achieve the desired control of lac insect predators in lac production system without harming lac culture.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-05-05
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/5912
 
Source The Indian Journal of Agricultural Sciences; Vol 81, No 5 (2011)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/5912/2380
 
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