Genetic studies of fall armyworm indicate a new introduction into Africa and identify limits to its migratory behavior

cg.authorship.typesCGIAR and developing country instituteen
cg.contributor.affiliationUnited States Department of Agricultureen
cg.contributor.affiliationInternational Institute of Tropical Agricultureen
cg.contributor.affiliationWest African Center for Applied Researches and Innovations, Togoen
cg.contributor.affiliationUniversité de Loméen
cg.contributor.affiliationNorth-West Universityen
cg.contributor.affiliationUniversité Nationale d'Agriculture, Béninen
cg.contributor.affiliationNorwegian University of Life Sciencesen
cg.contributor.affiliationNorwegian Institute of Bioeconomy Researchen
cg.contributor.affiliationCentre de Coopération Internationale en Recherche Agronomique Pour le Développementen
cg.contributor.affiliationUniversité de Montpellieren
cg.contributor.donorUnited States Agency for International Developmenten
cg.coverage.countryBeninen
cg.coverage.iso3166-alpha2BJen
cg.coverage.regionAfricaen
cg.coverage.regionWestern Africaen
cg.creator.identifierGhislain Tepa-Yotto: 0000-0002-9650-8313en
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.1038/s41598-022-05781-zen
cg.identifier.iitathemeBIOTECH & PLANT BREEDINGen
cg.identifier.iitathemePLANT PRODUCTION & HEALTHen
cg.isijournalISI Journalen
cg.issn2045-2322en
cg.issue1en
cg.journalScientific Reportsen
cg.reviewStatusPeer Reviewen
cg.subject.actionAreaGenetic Innovationen
cg.subject.iitaAGRONOMYen
cg.subject.iitaCLIMATE CHANGEen
cg.subject.iitaFOOD SECURITYen
cg.subject.iitaPESTS OF PLANTSen
cg.subject.iitaPLANT BREEDINGen
cg.subject.iitaPLANT HEALTHen
cg.subject.iitaPLANT PRODUCTIONen
cg.subject.impactAreaNutrition, health and food securityen
cg.subject.sdgSDG 1 - No povertyen
cg.subject.sdgSDG 2 - Zero hungeren
cg.volume12en
dc.contributor.authorNagoshi, R.N.en
dc.contributor.authorGoergen, Georg E.en
dc.contributor.authorKoffi, D.en
dc.contributor.authorAgboka, K.en
dc.contributor.authorAdjevi, A.K.M.en
dc.contributor.authordu Plessis, H.en
dc.contributor.authorBerg, J. van denen
dc.contributor.authorTepa-Yotto, G.en
dc.contributor.authorWinsou, J.K.en
dc.contributor.authorMeagher, R.L.en
dc.contributor.authorBrevault, T.en
dc.date.accessioned2023-01-10T15:08:38Zen
dc.date.available2023-01-10T15:08:38Zen
dc.identifier.urihttps://hdl.handle.net/10568/126749
dc.titleGenetic studies of fall armyworm indicate a new introduction into Africa and identify limits to its migratory behavioren
dcterms.abstractThe fall armyworm, Spodoptera frugiperda (J.E. Smith) is native to the Americas and a major pest of corn and several other crops of economic importance. The species has characteristics that make it of particular concern as an invasive pest, including broad host range, long-distance migration behavior, and a propensity for field-evolved pesticide resistance. The discovery of fall armyworm in western Africa in 2016 was followed by what was apparently a remarkably rapid spread throughout sub-Saharan Africa by 2018, causing economic damage estimated in the tens of billions USD and threatening the food security of the continent. Understanding the history of the fall armyworm invasion of Africa and the genetic composition of the African populations is critical to assessing the risk posed to different crop types, the development of effective mitigation strategies, and to make Africa less vulnerable to future invasions of migratory moth pests. This paper tested and expanded on previous studies by combining data from 22 sub-Saharan nations during the period from 2016 to 2019. The results support initial descriptions of the fall armyworm invasion, including the near absence of the strain that prefers rice, millet, and pasture grasses, while providing additional evidence that the magnitude and extent of FAW natural migration on the continent is more limited than expected. The results also show that a second entry of fall armyworm likely occurred in western Africa from a source different than that of the original introduction. These findings indicate that western Africa continues to be at high risk of future introductions of FAW, which could complicate mitigation efforts.en
dcterms.accessRightsOpen Accessen
dcterms.audienceScientistsen
dcterms.available2022-02-04en
dcterms.bibliographicCitationNagoshi, R.N., Goergen, G., Koffi, D., Agboka, K., Adjevi, A.K.M., Du Plessis, H., ... & Brévault, T. (2022). Genetic studies of fall armyworm indicate a new introduction into Africa and identify limits to its migratory behavior. Scientific Reports, 12(1), 1-12.en
dcterms.extent1-12en
dcterms.issued2022en
dcterms.languageenen
dcterms.licenseCC-BY-4.0en
dcterms.publisherSpringeren
dcterms.subjectspodoptera frugiperdaen
dcterms.subjectfall armywarmen
dcterms.subjectgenotypesen
dcterms.typeJournal Articleen

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