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.
This work aims to develop and evaluate an attractant based on the combination of DAP and Eucalyptus essential oils. Essential oils were isolated by steam distillation from Eucalyptus species and analyzed by GC-MS. About 12 and 22 constituents were identified with 1.8 was the major compounds in crude essential oil and formulations. The adsorption efficacy depends on the abundance of each compound in crude essential oils and the polarity of terpenic components. Results indicated the attractant potential of both essential oils (class III) and that DAP/essential oils formulations accomplished better attractant performance (class IV). Formulations were toxic against medfly adults.
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