Farmers’ knowledge and management practices of the fall armyworm (Spodoptera frugiperda Smith) in Burkina Faso

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Abstract

Description of the subject. The fall armyworm Spodoptera frugiperda Smith has recently invaded sub-Saharan African countries where it causes significant losses to maize since 2016. Objectives. In this study, we examined farmers’ knowledge of the fall armyworm, changes in pest management practices, and the safety of insecticide use by farmers since the recent invasion of the pest in Burkina Faso. Method. Data were collected through a survey of 197 maize farmers. Results. The majority of the farmers (96%) had experienced the fall armyworm invasion, mainly on maize, but also on sorghum and rice. Almost none of them (7%) used chemical insecticides to control maize pests before the arrival of the pest. Since then, 84% have used chemical insecticides, but various measures have also been implemented: cultural practices (48%) such as early planting, crop associations and fertilization; physical control (29%, i.e, handpicking, application of sand and ash) and applications of aqueous extracts of Azadirachta indica and Khaya senegalensis (12%). Most farmers do not use protective equipment when handling insecticides. Although they can name several natural enemies of the fall armyworm based on the photographs presented to them, they are generally unable to describe their beneficial role. Conclusions. We recommend evaluating the effectiveness of alternatives to chemical insecticides, publishing information on locally available insecticides that effectively control fall armyworm, and training farmers on proper pesticide application methods and natural enemy recognition.

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Ahissou, B. R., Sawadogo, W. M., Bokonon-Gant, A. H., Somda, I., & Verheggen, F. (2022). Farmers’ knowledge and management practices of the fall armyworm (Spodoptera frugiperda Smith) in Burkina Faso. Biotechnology, Agronomy, Society and Environment, 26(4), 191–197. https://doi.org/10.25518/1780-4507.19909

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