The valorization of Citrus peels from agro-industries is an important issue since Tunisia is known by the production of such crops. This work aims to assess the insecticidal potential of essential oils extracted from the bitter orange C. aurantium as protectant against adults of the less grain borer R. dominica. Results revealed that Limonene was the major and characteristic compound. The fumigant bioassay showed that C. aurantium from Nabeul was more toxic with LC50 and LC95 values were 307.9 and 652.9 µ L/L air, respectively within 48h of exposure.
This work aims to search new management alternatives to manage the date moth Ectomyelois ceratoniae. Thus, fumigant potential of the extracted essential oils of Laurus nobilis leaves was tested against fifth instar larvae for various storage periods. Moreover, a reference treatment using Phosphorus hydride (Phosphine® ) was accomplished. The impact of essential oils on the physical, biochemical and organoleptic properties were determined on dates treated and stored for three storage periods (7, 15 and 30 days). Results showed that laurel essential oils exhibited an interesting fumigant larvicidal activity. Respective LC50 and TL50 values were 750.4 μL liter−1 air and 33.8 days.
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