Contribution of different constituents to the toxicity of the essential oil constituents of Vernonia amygdalina (Compositae) and Xylopia aetiopica (Annonaceae) on maize weevil, Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae)
Asawalam E. F1, 2*, Emosairue S. O2 and Hassanali A.1
1Behavioural and Chemical Ecology Department, International Centre of Insect Physiology and Ecology P. O. Box 30772-00100 Nairobi, Kenya.
2Department of Plant Health Management Michael Okpara University of Agriculture, Umudike P. M. B. 7267 Umuahia, Abia state Nigeria.
Email: [email protected], [email protected]
