TITLE

Antifeedant activity of essential oils from Eucalyptus globulus Labill and Lavandula stoechas L. on Tribolium castaneum Herbst (Coleoptera: Tenebrionidae)

AUTHOR(S)
Ebadollahi, Asgar
PUB. DATE
June 2011
SOURCE
Biharean Biologist;Jun2011, Vol. 5 Issue 1, p8
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
This study was conducted to determine the antifeedant effect of essential oils from Eucalyptus globulus and Lavandula stoechas against adults of Tribolium castaneum in laboratory conditions. For this experiment I used sublethal doses of essential oils. On the other hand, in the first experiment the lethal concentrations of the essential oils killed 15% to 35% of the population (LC15 to LC35) afterwards these concentrations being used for antifeedant effects. The fumigation of sublethal doses was done for 24 h exposure time. Surviving adults were removed and used for antifeedant assay with wheat flour. Decrease of flour weight was calculated after 48 h. Both oil considerably reduced the feeding of insect. The analysis of variance exhibited a significant effect of essential oil vapours on feeding deterrent. Moreover these oils had dose-dependent antifeedant activity and due to the increase of oil concentrations, the feeding of T. castaneum was decreased. All treated groups with different doses of oils had lesser feeding than control groups. It can be concluded that the essential oil of E. globulus and L. stoechas have potential agents against T. castaneum and maybe other insect pests.
ACCESSION #
63022373

 

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