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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
agricultural and biological sciences
Pyrethroid resistance mechanisms in the cotton bollworm Helicoverpa armigera (Lepidoptera: Noctuidae) from West Africa
Pesticide Biochemistry and Physiology, Volume 74, No. 1, Year 2002
Notification
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Description
In West Africa, the cotton bollworm Helicoverpa armigera has recently developed resistance to deltamethrin and cypermethrin. Resistance mechanisms of the strain BK99R9 collected in Bouaké, Ivory Coast in 1999 and selected with deltamethrin were investigated by comparison with a susceptible strain BK77 collected in the same area in 1977. Several approaches were performed: evaluation of the cross-resistance spectrum to various pyrethroids and DDT, effect of a synergist, and by determination of the biochemical characteristics of three enzyme systems (esterases, glutathione-S-transferases, and mixed function oxidases). Deltamethrin resistance in BK99R9 was correlated to an increase of mixed function oxidase. Enhanced monooxygenase levels were then confirmed in several H. armigera field strains collected in cotton areas of West Africa from 1999 to 2001. © 2002 Elsevier Science (USA). All rights reserved.
Authors & Co-Authors
Martin, Thibaud
France, Paris
Cirad
Cote D'ivoire, Abidjan
Centre National de Recherche Agronomique Abidjan
Chandre, Fabrice
France, Marseille
Ird Institut de Recherche Pour le Developpement
Ochou, Ochou Germain
Cote D'ivoire, Abidjan
Centre National de Recherche Agronomique Abidjan
Vaissayre, Maurice
France, Paris
Cirad
Fournier, Didier D.
France, Toulouse
Université Toulouse Iii - Paul Sabatier
Statistics
Citations: 144
Authors: 5
Affiliations: 4
Identifiers
Doi:
10.1016/S0048-3575(02)00117-7
ISSN:
00483575
Study Locations
Multi-countries
Ivory Coast