Sensibility of Caryedon serratus Ol. (Coleoptera, Bruchidae) to three synthetic insecticides
Paper Details
Sensibility of Caryedon serratus Ol. (Coleoptera, Bruchidae) to three synthetic insecticides
Abstract
The management of cereal and legumes stocks is a real food security problem in Africa. In Senegal, groundnut is one of the main cash crops and is constantly threatened by Caryedon serratus, its most dangerous pest. Chemical control, which has remained by far the most effective to fight against this trouble faces problems of the resistance of these stored-product pests due to the constant increase in the doses of insecticides used. The aim of this study is to assess the sensibility of this pest to three synthetic insecticides. The insects used come from two localities of Senegal (Saint Louis and Sedhiou) and products belong to Pyrethroids, Carbamates and Organophosphorus families. Results showed that the sensibility of C. serratus to the different products depends on the exposure time of the beetle to the products and not on its origin. The highest mortalities are obtained within 48 and 24 hours after treatment. The results also show some resistance to Deltamethrin and Traore Powder with which less than 50% of mortality is recorded with the reference doses.
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Maggie-Angéla Rosalina Gbéhodé Aïzan, Mbacké Sembène (2018), Sensibility of Caryedon serratus Ol. (Coleoptera, Bruchidae) to three synthetic insecticides; IJB, V12, N5, May, P263-268
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