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Journal of Entomology and Zoology Studies
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ISSN Print: 2349-6800 | ISSN Online: 2320-7078

Journal of Entomology and Zoology Studies

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2015, Vol. 3, Issue 6
Activity of neem oil in Drosophila melanogaster: toxicity and delayed effect on the progeny

Bilel Boulahbel, Nadia Aribi, Samira Kilani-Morakchi, Noureddine Soltani

Azadirachtin, derived from the neem tree, has been used successfully against insect pests; however, their effects on non-target organisms remain contradictory. The current study, examined the effect of neem oil, a commercial formulation of azadirachtin, on biological model of reference, D. melanogaster. In first bioassays, various doses of neem oil were tested, by topical application, on newly ecdysed pupae and the inhibition doses (ID) of adult emergence were determined (ID25: 0.68 μg; ID50 1.17 μg). Then, sublethal effects of neem oil have been specified on the weight of the pupae and on the fertility of adults that survived from treated pupae. Results showed that neem oil reduced, significantly, pupal weight at the two tested doses. Fertility and fecundity of various formed couples (between control and treated) were affected significantly by the insecticides excepted when only males were treated with the lowest dose. Thus, neem oil acts with delayed effects.
Pages : 306-310 | 895 Views | 28 Downloads
How to cite this article:
Bilel Boulahbel, Nadia Aribi, Samira Kilani-Morakchi, Noureddine Soltani. Activity of neem oil in Drosophila melanogaster: toxicity and delayed effect on the progeny. J Entomol Zool Stud 2015;3(6):306-310.
Journal of Entomology and Zoology Studies
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