Isolation, Identification and Evaluation of the Effective Phyto-Compounds for The Management of Insects Infesting Stored Groundnuts (Arachis Hypogaea L.)
Year: 2025
Type: article
Abstract: The efficacy of various botanicals was tested against the major pest of groundnuts, the peanut moth Corcyra cephalonica, in Lab conditions for one year. Essential oils isolated by Clevengers Apparatus, @1% (v/w) of Pongamia glabra (Karanja Oil), Azadirachta Indica (Neem Oil), Brassica campestris (Mustard Oil) , Crown oil (Resin of Shorea robusta) , Cymbopogon nardus (Citronella) oil , Dalbergia sisso (Sisso Oil), Oryza sativa (Rice bran oil), Helianthus annus(Sunflower Oil) , Ricinus communis (Castor Oil), Aegle marmelos (Bael Oil), Sesamum indicum (Til Oil), etc were tested for their bioefficacy against the major pest, of groundnuts, Corcyra cephalonica , in Laboratory conditions for one year. Out of all these plant products Cymbopogon nardus (Citronella) oil and Crown oil (Resin of Shorea robusta) gave absolute pod/Kernel protection for one year. The LD50 values were found out to be - 0.5% v/w. Spectroscopic GC MS analysis of Citronella oil (Cymbopogon nardus), lead to the identification of D-Limonene, Neral, Citral and 2,6-octadien-1-ol,3,7-dimethyl acetate (Z) as essential main constituents. Spectroscopic GC MS analysis of Crown oil (Resin of Shorea robusta) are identified as 2-Ethyl-oxetane (RT 2.223), as the major product. It may be due to the aromatic nature of these phyto-products. Hence these phyto-products may be used as fumigants or insect repellants against Corcyra cephalonica and can be included in the package of practices to save stored groundnut in storage.
Authors: Lalit Chowdhury, Manoja Dash, Sarada Prasad Mohapatra, Debasis Mohanty, Prakash Kumar Sahoo, Sushree Mohan
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDGs: Zero hunger, Life on land
Open Access status: diamond
OpenAlex ID: W4414622232
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