Ovicidal Activity and Phytochemical Analysis of some Spontaneous Plants Extracts Against Ectomyelois ceratoniae (Zeller) Lepidoptera: Pyralidae
2023
Sana Bekiri | Hakima Idder-Ighili | Omar Guezoul | Mohamed Azzedine Idder | Karima AZOUAOU
The use of aqueous extracts as alternative solutions that significantly reduce to the damage caused by pests like Ectomyelois ceratoniae. This work presents in-vitro tests that are successfully applied to evaluate the ovicidal activity of four spontaneous plants aqueous extracts, as, Rosmarinus officinalis, Peganum harmala, Thymus vulgaris and Artemisia herba-alba againt the moth eggs. The results showed a highly significant effect for T. vulgaris and A. herba-alba, sometimes reaching 100%, followed by R. officinalis, then P. harmala which was not present any effect on this pest eggs. T. vulgaris and A. herba-alba showed a strong inhibition of egg hatching. It exceeds 93 % mortality for a concentration of 0.12 mL/mL. For R. officinalis at 0.18 mL/mL concentration present a 72% mortality. While at 0.12 mL/mL, the mortality was 40%.The lethal doses to inhibit 50 and 90 % of the eggs were estimated to confirm the efficiency of the aqueous extracts , stronger results shows, respectively (0.014 mL and 0.062 mL) from T. vulgaris and (0.019 mL and 0.069 mL) from A. herba-alba. This work originally explores the benefits of some kinds of plants that are largely available and inexpensive for the biotreatment of carob motheggs.
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