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REPELLENT ACTIVITY OF SOME SELECTED AROMATIC PLANT EXTRACTS AGAINST RUST-RED FLOUR BEETLE,TRIBOLIUM CASTANEUM (HERBST) (COLEOPTERA:TENEBRIONIDAE)
P. Manonmani, R. Usha rani, M. Ramar

Published in: International Journal of Current Engineering And Scientific Research ( IJCESR)
Volume- 4, Issue-9, pp.38-46, Sep 2017
DPI :-> 16.10046.IJCESR.2017.V4I9.3846.1980



Abstract
In recent year’s botanical pesticide have received increasing attention in developing countries due to continued damaging of grains associated to post harvest insect pest. Sustainable agriculture through better ecological approaches in pest management is the stimulus for further research in alternate pesticides against conventional pesticides, which lead to increased research in plant sources. Hence in the present study, Methanol based plant extracts of Cinnamomum tamala, Rosmarinus officinalis and Pelaragonium graveolens was assessed against the stored product pest (Tribolium castaneum) of processed food commodities. Periodic analysis for the repellence was done by impregnating half-filter paper disc at various concentrations (2.5, 5, 10 %). The experimental trials showed significant repellent effects at 24 h exposure of Cinnamomum tamala (98.5±3.78 %) followed by Pelaragonium graveolens (96.4±6.43 %) and Rosemary officinalis (94.6±8.3 %). Overall, the Cinnamomum tamala extracts were proved to be most effective repellent followed by Pelaragonium graveolens. Results suggest a safer potential of these natural extracts towards disturbing the biology and invasion of stored product pest, T. castaneum. Results also indicate a definite potential of these extracts towards incorporation of these extracts in pest management programs and towards optimizing food security through utilizing them as bio-pesticides.

Key-Words / Index Term
Cinnamomum tamala, Rosmarinus officinalis, Pelaragonium graveolens, Tribolium castaneum, bioactivities, contact toxicity, repellency.

How to cite this article
P. Manonmani, R. Usha rani, M. Ramar , “REPELLENT ACTIVITY OF SOME SELECTED AROMATIC PLANT EXTRACTS AGAINST RUST-RED FLOUR BEETLE,TRIBOLIUM CASTANEUM (HERBST) (COLEOPTERA:TENEBRIONIDAE)”, International Journal of Current Engineering And Scientific Research ( IJCESR), 4, Issue-9, pp.38-46, Sep 2017. DPI:16.10046.IJCESR.V4.I9.1980