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Insecticidal Activities of Flowerheads of <I>Anacyclus cyrtolepidioides</I> Pomel Growing in Tunisia Against <I>Tribolium confusum</I> du Val

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Author(s): Afifa Zardi-Bergaoui | Saoussen Hammami | Monia Ben Halima-Kamel | Lamia Sakka-Rouis | Olfa Boussaada | Dalila Haouas | Zine Mighri

Journal: Journal of Entomology
ISSN 1812-5670

Volume: 5;
Issue: 4;
Start page: 277;
Date: 2008;
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Keywords: Compositae | plant extracts | essential oil | insect growth inhibition | toxicity | antifeedant

ABSTRACT
Anacyclus cyrtolepidioïdes flowerheads (Compositae family) on Tribolium confusum du Val (Coleoptera: Tenebrionidae) adults and larvae were determined. Insecticidal activity of the flowers essential oil, four crude extracts as well as twenty one fractions deriving from solid-liquid chromatographic separation was assessed using direct contact application method. The ethylacetate crude extract and eight fractions (A3, A4 P8, P10, F2, F3, F5 and F7) showed a significant inhibitory effect of the test material on Tribolium confusum du Val growth. One hundred percent mortality of the adults was achieved twelve days after treatment using fractions A4, P8 and F7, respectively. This preliminary study suggested that A. cyrtolepidioïdes may be considered as a potential source of insecticidal compounds.]]>
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