D. J. Langsi

Potentiality of Fractionated Extracts from Hemizygia welwitschii Rolfe-Ashby (Lamiaceae) Leaf to Protect Maize against Sitophilus zeamais Motschulsky (Coleoptera: Curculionidae) in Storage

T. G. Fotso, T. Gangue, D. J. Langsi, M. N. Lakane, M. C. Zourmba, N. Tchao, W. F. G. D. Kapche & E. N. Nukenine · European Journal of Nutrition & Food Safety · 2020

Laboratory tests were conducted in order to assess the potential insecticidal effect of hexane, acetone and methanol fractionated extracts from Hemizygia welwitschii leaves against Sitophilus zeamais Motschulsky, important stored maize pest. The three extracts used individually w...

Open access Research Article 10.9734/ejnfs/2020/v12i1030303

Impact of Environment on Callosobruchus maculatus (Coleoptera: Chrysomelidae) Response to Acetone Extract of Gnidia kaussiana Meisn (Thymeleaceae) and Ocimum canum Sims (Lamiaceae) Botanical Insecticides

D. Kosini, E. N. Nukenine, K. H. Tofel, J. W. Goudoungou, D. J. Langsi, M. Adamou, J. P. Abdou, B. Djafsia & H. M. T. Ndouwe · European Journal of Nutrition & Food Safety · 2020

The response of pests to the effects of a botanical insecticide can vary spatially and temporally. To test whether efficacy of botanicals differed spatially, the insecticidal efficacy of Gnidia kaussiana and Ocimum canum against Callosobruchus maculatus was investigated in two di...

Open access Research Article 10.9734/ejnfs/2020/v12i830277