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Field appraisal of stable neem pesticide tetrahydroazadirachtin-A against mustard aphid (Lipaphiserysiml)

Indian Agricultural Research Journals

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Title Field appraisal of stable neem pesticide tetrahydroazadirachtin-A against mustard aphid (Lipaphiserysiml)
 
Creator DHINGRA, SWARAN
SHARMA, DEEPIKA
WALIA, SURESH
KUMAR, JITENDRA
SINGH, GYANENDRA
SINGH, SHIVENDRA
JAYARAMAN, B
PARMAR, BALRAJS
 
Subject Azadirachtin; Tetrahydroazadirachtin; Oxydemeton methyl; Mustard aphid; Coccinelid
 
Description In a field evaluation on mustard crop (Brassicajullcea), Thermo and photostabie tetrahydroazadirachtin-A provided superior control of mustard aphid (Lipaphis erysirni Kalt.) as compared to azadirachtin. Oxydemeton-methyl, providing 88.73 % reduction in aphid population was the most effective followed by tetrahydroazadirachtin that provided 64.02 % reduction over untreated control. NeenlAzal® and neem oil EC (25 per cent) were the least effective, recording 17.1 and 7.28 % reduction in aphid population respectively over untreated control. The coccinellid beetle (Coccinella septelJlpunctata) population was the maxinlum in tetrahydroazadirachtin treatment followed closely by azadirachtin and Inininlum in oxydenleton-methyl, neem oil EC and NeenlAzal. Besides being effective against the mustard aphid, high safety 111argin to the predator was exhibited by aza-A and THA .
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2011-01-04
 
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/2499
 
Source The Indian Journal of Agricultural Sciences; Vol 76, No 2 (2006)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/2499/633
 
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