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Integrated pest management of black weevil in banana cropping systems

Tixier P., Vinatier F., Cabrera Cabrera J., Padilla Cubas A., Okolle J., Chabrier C., Guillon M.. 2010. s.l. : ENDURE, 4 p.. (Etude de cas sur la banane - Guide : From science to field, 3).

The black weevil, Cosmopolites sordidus (Coleoptera: curculionidae) is a major pest of banana in export farms and for smallholders in developing countries. New Integrated Pest Management strategies include the implementation of prophylactic cropping practices and the use of pheromone-pitfall traps. The combined use of pheromone-pitfall traps and fallows reduces the number of C. sordidus adults in the field and has significantly reduced insecticide use in the French West Indies and in the Canary Islands. Because of the patchy distribution of C. sordidus and the capabilities of weevils to invade neighbouring fields, these methods should be deployed at the farm and landscape scale, with special focus on their spatial and temporal organisation. To further refine the Integrated Pest Management of this pest in the longer term, we are evaluating biocontrol agents and modelling tools developed to simulate the spatial organisation of traps at the plot and landscape scales.

Mots-clés : musa; cosmopolites sordidus; guadeloupe; france

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