Browsing by Author "ALOUI, saadia"

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    Activitè insectiside de l’éxtrait foliaire de Pergularia tomentosa l rècoltèe dans Oued metlili (Sahara Septentrional est Algèrien )
    (Faculté Science de la Nature et de la Vie et Sciences de la Terre - Université de Ghardaïa, 2017) ALOUI, saadia
    The study focuses on the insecticidal activity of leaf extracts Pergularia tomentosa L. (Asclepediaceae) harvested in Oued Metlili (North East Algerian Sahara) againt Tribolium castaneum. It concerns their effect on mortality. Pergularia tomentosa the aqueous extract gave a good result for toxicity on individuals of Tribolium castaneum, the effective ness is confirmed by the death of the beetle castaneum adults. The death of all individuals (100%) in a week. The evaluation of 50 lethal time (LT50) and 90 (TL90) shows that the leaf extract from Pergularia tomentosa L. shows a particular speed of action againt the imagines of Tribolium castaneum.