Insecticidal properties and persistence of Berlinia grandifolia (J. Vahl) and Securidaca longepedunculata Fres., two Aromatic Plants from the Far-North region of Cameroon alone or in Combination against Sitophilus oryzae L. (Coleoptera : Curculionidae). Journal title: International Journal of Farming and Allied Sciences Authors: Kouninki Habiba, Matakone Romain-Rolland, Nukenine Nchiwan Elias Subject(s): Agricultural Science, Biochemistry, Plant Sciences, Soil Sciences, Zoology and Animal Science, Agricultural Economics