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Journal of Agronomy
  Year: 2008 | Volume: 7 | Issue: 1 | Page No.: 93-97
DOI: 10.3923/ja.2008.93.97
Chrysanthemum Methanolic Extracts as Potential Insecticidal Sources on Tribolium confusum Du Val (Coleoptera: Tenebrionidae)
D. Haouas, M. Ben Halima-Kamel, F. Skhiri-Harzallah and M.H. Ben Hamouda

Abstract:
The present study describes the insecticidal activity of methanolic extracts Chrysanthemum species on Tribolium confusum. Insect responses varied according to plant species. The deterrent effect of Chrysanthemum methanolic extracts to stored-product insects was evaluated in multiple-choice tests. Discs were soaped with methanolic extract at 1%. Most species of tested plants have anti-feeding effect on T. confusum adults, except C. macrotum and leaves of C. coronarium, C. segetum and C. grandiflorum that show a phagostimuling activity. The mortality was find out after 14 and 21 days of ingestion methanolic extracts, we noted that high level mortality was detected after 3 weeks this activities was observed with C. coronarium, C. macrotum, C. Myconis, C. fuscatum, C. paludosum, C. trifurcatum and C. grandiflorum, but C. segetum had a low toxicity level. After 96 h of topical application with plant extracts at concentration of 1% on T. confusum adult 10-14 days showed high toxicity of C. fuscatum and C. grandiflorum flowers. These results are discussed according the presence of anti-feeding and/or toxic substances actives by consumption or topical application. The identification of these compounds and their action mode will be studied.
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How to cite this article:

D. Haouas, M. Ben Halima-Kamel, F. Skhiri-Harzallah and M.H. Ben Hamouda, 2008. Chrysanthemum Methanolic Extracts as Potential Insecticidal Sources on Tribolium confusum Du Val (Coleoptera: Tenebrionidae). Journal of Agronomy, 7: 93-97.

DOI: 10.3923/ja.2008.93.97

URL: https://scialert.net/abstract/?doi=ja.2008.93.97

 
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