Integrated pest management options for the fall armyworm Spodoptera frugiperda in West Africa: Challenges and opportunities. A review

Introduction. The fall armyworm Spodoptera frugiperda (Smith) (Lepidoptera: Noctuidae) is a voracious and generalist insect pest native to America. It was first detected in West Africa in 2016 and rapidly spread across the continent. The indiscriminate use of chemical insecticides poses risks to hum...

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Autores principales: Besmer Régis Ahissou, Wendnéyidé Mathieu Sawadogo, Aimé H. Bokonon-Ganta, Irénée Somda, François Verheggen
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Publicado: Presses Agronomiques de Gembloux 2021
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spelling oai:doaj.org-article:6f6aebb765f848c790b08f2c684854d22021-11-15T15:25:41Z Integrated pest management options for the fall armyworm Spodoptera frugiperda in West Africa: Challenges and opportunities. A review 10.25518/1780-4507.191251370-62331780-4507https://doaj.org/article/6f6aebb765f848c790b08f2c684854d22021-09-01T00:00:00Zhttps://popups.uliege.be/1780-4507/index.php?id=19125https://doaj.org/toc/1370-6233https://doaj.org/toc/1780-4507Introduction. The fall armyworm Spodoptera frugiperda (Smith) (Lepidoptera: Noctuidae) is a voracious and generalist insect pest native to America. It was first detected in West Africa in 2016 and rapidly spread across the continent. The indiscriminate use of chemical insecticides poses risks to human health and threatens the few natural enemies present in these environments. Despite the existence of alternative control measures in America (e.g. genetically modified maize), efforts are needed to develop environmentally friendly approaches that are affordable for smallholder farmers and compatible with the African context. Literature. In this literature review, we describe the potential of the available alternative controls methods which include cultural, physical, biological and semiochemical strategies. The potential of their association is discussed considering their cost-benefice balance and local economic and agricultural context. Conclusions. Several affordable mitigation options could be implemented rapidly, pending proper communication efforts, including (i) the promotion of indigenous natural enemies by promoting refuges and training smallholder farmers on their identification; (ii) cultural methods, mainly by planting directly after the main rainfalls, as well as performing intercropping and crop rotation; and (iii) the use of microbial biopesticides, and avoiding some of the already identified ineffective chemical insecticides.Besmer Régis AhissouWendnéyidé Mathieu SawadogoAimé H. Bokonon-GantaIrénée SomdaFrançois VerheggenPresses Agronomiques de Gemblouxarticlebiological controlfall armywormintegrated pest managementnatural enemiessmallholderswest africaBiotechnologyTP248.13-248.65Environmental sciencesGE1-350ENFRBiotechnologie, Agronomie, Société et Environnement, Vol 25, Iss 3, Pp 192-207 (2021)
institution DOAJ
collection DOAJ
language EN
FR
topic biological control
fall armyworm
integrated pest management
natural enemies
smallholders
west africa
Biotechnology
TP248.13-248.65
Environmental sciences
GE1-350
spellingShingle biological control
fall armyworm
integrated pest management
natural enemies
smallholders
west africa
Biotechnology
TP248.13-248.65
Environmental sciences
GE1-350
Besmer Régis Ahissou
Wendnéyidé Mathieu Sawadogo
Aimé H. Bokonon-Ganta
Irénée Somda
François Verheggen
Integrated pest management options for the fall armyworm Spodoptera frugiperda in West Africa: Challenges and opportunities. A review
description Introduction. The fall armyworm Spodoptera frugiperda (Smith) (Lepidoptera: Noctuidae) is a voracious and generalist insect pest native to America. It was first detected in West Africa in 2016 and rapidly spread across the continent. The indiscriminate use of chemical insecticides poses risks to human health and threatens the few natural enemies present in these environments. Despite the existence of alternative control measures in America (e.g. genetically modified maize), efforts are needed to develop environmentally friendly approaches that are affordable for smallholder farmers and compatible with the African context. Literature. In this literature review, we describe the potential of the available alternative controls methods which include cultural, physical, biological and semiochemical strategies. The potential of their association is discussed considering their cost-benefice balance and local economic and agricultural context. Conclusions. Several affordable mitigation options could be implemented rapidly, pending proper communication efforts, including (i) the promotion of indigenous natural enemies by promoting refuges and training smallholder farmers on their identification; (ii) cultural methods, mainly by planting directly after the main rainfalls, as well as performing intercropping and crop rotation; and (iii) the use of microbial biopesticides, and avoiding some of the already identified ineffective chemical insecticides.
format article
author Besmer Régis Ahissou
Wendnéyidé Mathieu Sawadogo
Aimé H. Bokonon-Ganta
Irénée Somda
François Verheggen
author_facet Besmer Régis Ahissou
Wendnéyidé Mathieu Sawadogo
Aimé H. Bokonon-Ganta
Irénée Somda
François Verheggen
author_sort Besmer Régis Ahissou
title Integrated pest management options for the fall armyworm Spodoptera frugiperda in West Africa: Challenges and opportunities. A review
title_short Integrated pest management options for the fall armyworm Spodoptera frugiperda in West Africa: Challenges and opportunities. A review
title_full Integrated pest management options for the fall armyworm Spodoptera frugiperda in West Africa: Challenges and opportunities. A review
title_fullStr Integrated pest management options for the fall armyworm Spodoptera frugiperda in West Africa: Challenges and opportunities. A review
title_full_unstemmed Integrated pest management options for the fall armyworm Spodoptera frugiperda in West Africa: Challenges and opportunities. A review
title_sort integrated pest management options for the fall armyworm spodoptera frugiperda in west africa: challenges and opportunities. a review
publisher Presses Agronomiques de Gembloux
publishDate 2021
url https://doaj.org/article/6f6aebb765f848c790b08f2c684854d2
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