Maize Infestation of Fall Armyworm (Lepidoptera: Noctuidae) Within Agro-Ecological Zones of Togo and Ghana in West Africa 3 Yr After Its Invasion

dc.contributor.authorKoffi, D.
dc.contributor.authorAgboka, K.
dc.contributor.authorAdenka, D.K.
dc.contributor.authorOsae, M.
dc.contributor.authorTounou, A.K.
dc.contributor.authorAdjevi, M.K.A.
dc.contributor.authorFening, K.O.
dc.contributor.authorMeagher, R.L.J.
dc.date.accessioned2020-07-17T10:31:04Z
dc.date.available2020-07-17T10:31:04Z
dc.date.issued2020-04-29
dc.descriptionResearch Articleen_US
dc.description.abstractThe fall armyworm Spodoptera frugiperda (J. E. Smith) invaded several West African countries in 2016 causing severe injury to maize plants and economic damage. This study assesses variations in the occurrence of this species in different Agro-Ecological Zones (AEZs) in Togo and Ghana during the 3 yr following its discovery. The surveys were conducted on 120 farms in Togo and 94 farms in Ghana by collecting larvae from 200 maize plants per hectare. Infestation levels were 68.46% in 2016, 55.82% in 2017, and 17.76% in 2018. The number of larvae recorded per hectare and infestation levels were higher in Togo than in Ghana. The lowest number of collected larvae and infestation levels of S. frugiperda were in 2018, compared to the other 2 yr. Larvae per hectare and the infestation level varied regionally inside the two countries. The southern part of Togo (AEZ five) contained higher numbers of larvae and higher infestation levels during the 2 yr following the invasion of the pest. We concluded that infestation levels of S. frugiperda are much lower in 2018 than the two previous years and it is therefore necessary to determine the factors that affect the population dynamics of S. frugiperda in the field, which is a perquisite for developing management interventions.en_US
dc.identifier.citationDjima Koffi, Komi Agboka, Delanyo Kokouvi Adenka, Michael Osae, Agbeko Kodjo Tounou, Mawuko Kossi Anani Adjevi, Ken Okwae Fening, Robert L Meagher, Jr, Maize Infestation of Fall Armyworm (Lepidoptera: Noctuidae) Within Agro-Ecological Zones of Togo and Ghana in West Africa 3 Yr After Its Invasion, Environmental Entomology, Volume 49, Issue 3, June 2020, Pages 645–650, https://doi.org/10.1093/ee/nvaa048en_US
dc.identifier.otherdoi: 10.1093/ee/nvaa048
dc.identifier.urihttp://ugspace.ug.edu.gh/handle/123456789/35634
dc.language.isoenen_US
dc.publisherEnvironmental Entomologyen_US
dc.relation.ispartofseries49;3
dc.subjectfall armywormen_US
dc.subjectAgro-Ecological Zoneen_US
dc.subjectdistribution patternen_US
dc.subjectinfestationen_US
dc.subjectmaizeen_US
dc.titleMaize Infestation of Fall Armyworm (Lepidoptera: Noctuidae) Within Agro-Ecological Zones of Togo and Ghana in West Africa 3 Yr After Its Invasionen_US
dc.typeArticleen_US

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