alexa Inoculated Traps, an Innovative and Sustainable Method to Control Banana Weevil Cosmopolites sordidus in Banana and Plantain Fields
ISSN: 2329-8863

Advances in Crop Science and Technology
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Research Article

Inoculated Traps, an Innovative and Sustainable Method to Control Banana Weevil Cosmopolites sordidus in Banana and Plantain Fields

Aby N1*, Badou J2, Traoré S1, Kobénan K1, Kéhé M1, Thiémélé DEF1, Gnonhouri G1 and Koné D2
1Laboratory of Entomology and Plant Pathology, National Centre of Agronomic Research, Research Station of Bimbresso; 01 BP 1536 Abidjan 01
2Laboratory of plant physiology, University of Félix Houphouët Boigny Abidjan, 01 BP 852 Abidjan 01
Corresponding Author : Aby N’goran
CNRA, de Research Station of Bimbresso
BP 1536 Abidjan 01, Côte d’Ivoire
Tel: (225) 07-404-835
E-mail: [email protected]
Received February 11, 2015; Accepted October 06, 2015; Published October 12, 2015
Citation: Aby N, Badou J, Traoré S, Kobénan K, Kéhé M, et al. (2015) Inoculated Traps, an Innovative and Sustainable Method to Control Banana Weevil Cosmopolites Sodidus in Banana and Plantain Fields. Adv Crop Sci Tech 3:194. doi:10.4172/2329-8863.1000194
Copyright: © 2015 Aby N, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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Abstract

The banana weevil Cosmopolites sordidus (Germar) is the most important insect pest of banana and plantain (Musa spp.). The larvae by its trophic activities bore into the corm, present roots are destroyed and the emergence of new roots is delayed, reducing nutrient uptake and weakening the stability of the plant. Attacks in newly planted banana stands can lead to crop failure. In established fields, weevil damage can result in reduced bunch weights, mat die-out and shortened stand life. Damage and yields losses tend to increase with time. Banana weevil has been implicated as a primary factor contributing to the decline and disappearance of East African highland cooking banana from its traditional growing areas in central Uganda. Control measures are essentially based on the use of chemicals. Adult resistance, environnemental pollution, most toxicity to famers also to consumers, and its effect on non target insect were negative side effects of chemicals. Alternative sustainable methods (use of parasitoïds, predators, mass trapping with or without pheromon) were experimented, but results were few interest. Biological control using entomopathogenic fungi within genera Metarhizium and Beauveria bassiana were performed. Although promise results are shown in preliminary studies, efficient delivery systems still need to be developed. Research protocols for the development of a microbial control program of banana weevil using Metarhizium has focused in Côte d’Ivoire since 2008. It based on inoculated disk on stump traps (culombia trap), pheromon traps, pseudostem traps including its gregariousness to disseminate inoculum among weevils for sanitation of established field and biorationals. So these methods appear to be the promise ones significantly least fastidious and economic.

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