De heer M. Masanza : Effect of crop sanitation on banana weevil Cospolites sordidus

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9 Sep 2003 13:30
Unit: Wageningen University
Location: Aula (gebouw 362), Gen. Foulkesweg 1, Wageningen
Promotor: prof.dr. J.C. van Lenteren (Entomology)
Co Promotor: dr.ir. A. van Huis, dr. S.C. Gold (IITA, Uganda)

 The banana weevil, Cosmopolites sordidus (Germar) (Coleoptera: Curculionidae) is a serious pest of bananas. However, its ecology is not well elucidated especially in East Africa where plantations are up to 50 years old and are under various management practices. No single satisfactory control strategy has been found. Detailed information on C. sordidus biology and ecology is needed to explain the population dynamics of this pest and develop a comprehensive package for the small-scale resource-poor farmer to alleviate the pest problem. Cultural control forms the first line of defence in pest management. For instance, crop residue removal (sanitation) after harvest by chopping is a widely recommended cultural strategy for C. sordidus control. However, there are no data to show the effect of this practice on the insect's population and damage. This study was aimed at investigating the effect of crop sanitation on population dynamics of C. sordidus and its associated damage.
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