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Distribution and diversity of alternate hosts of Maruca vitrata Fabricius in three west African countries

dc.contributor.authorAddae, P.C.
dc.contributor.authorBruce, Y.A.
dc.contributor.authorUtono, I.M.
dc.contributor.authorAbudulai, M.
dc.contributor.authorTraore, F.
dc.contributor.authorIshiyaku, F.S.
dc.contributor.authorAdamu, R.S.
dc.contributor.authorSeldu, A.
dc.contributor.authorBatieno, B.J.
dc.contributor.authorNwankwo, O.F.
dc.contributor.authorBa, M.N.
dc.contributor.authorAdazebra, G.A.
dc.contributor.authorTignegre, J.B.
dc.contributor.authorDabire, C.
dc.contributor.authorHuesing, J.
dc.contributor.authorHellmich, R.L.
dc.contributor.authorPittendrigh, B.R.
dc.contributor.authorTamo, M.
dc.date.accessioned2021-06-10T14:32:32Z
dc.date.available2021-06-10T14:32:32Z
dc.date.issued2021
dc.identifier.citationAddae, P.C., Bruce, Y.A., Utono, I.M., Abudulai, M., Traore, F., Ishiyaku, M.F., ... & Tamò, M. (2021). Distribution and diversity of alternate hosts of Maruca vitrata Fabricius in three west African countries. International Journal of Tropical Insect Science, 1-14.
dc.identifier.issn1742-7584
dc.identifier.urihttps://hdl.handle.net/20.500.12478/7132
dc.description.abstractThe evolution of resistance to the Bacillus thuringiensis (Bt) toxins by insect pests is a major threat to Bt technology. However, the rate of resistance can be slowed with appropriate integrated insect resistance management (IRM) strategies. Surveys were conducted to identify alternate host species for Maruca vitrata (commonly called the legume pod borer or Maruca) that could serve as refuges for Pod-Borer Resistant (PBR) cowpea in three West African countries (Ghana, Nigeria, and Burkina Faso). Survey sites included 25 in northern Ghana, 44 in northern Nigeria, and 52 in north-central and southwestern Burkina Faso. Alternate hosts of Maruca identified from plant species belonging to the Fabaceae family that showed signs of Maruca damage on cowpea tissues were collected and dissected. Larvae that were found during these dissections were reared to adult moths in the laboratory then identified to species. The alternate host plants including species of Crotolaria, Sesbania, Tephrosia, and Vigna were the most frequently encountered among sites and locations. Flowering and podding of these plants overlapped with flowering and podding of the nearby (~200 m) cowpea crop. Abundance of these wild hosts and overlapping flowering patterns with the cowpea crop in most locations have the potential to sustain ample numbers of Bt susceptible Maruca that will mate with possible resistant Maruca and deter resistance development. Further quantitative studies, however, are required from each location to determine if actual Maruca production from alternate hosts is sufficient for a PBR IRM strategy. If verified, this approach would be compatible with the high dose/refuge IRM strategy that includes alternate hosts and non-Bt crops as refuges.
dc.description.sponsorshipUnited States Agency for International Development
dc.description.sponsorshipAfrican Agricultural Technology Foundation
dc.description.sponsorshipInstitute for Agricultural Research, Nigeria
dc.description.sponsorshipInstitut de l’Environnement et de Recherché Agricoles, Burkina Faso
dc.description.sponsorshipSavana Agricultural Research Institute, Ghana
dc.format.extent1-14
dc.language.isoen
dc.subjectPest Management
dc.subjectCowpeas
dc.subjectPests of Plants
dc.subjectBacillus Thuringiensis
dc.subjectFabaceae
dc.subjectSubsaharan Africa
dc.titleDistribution and diversity of alternate hosts of Maruca vitrata Fabricius in three west African countries
dc.typeJournal Article
cg.contributor.affiliationAfrican Agricultural Technology Foundation
cg.contributor.affiliationInternational Maize and Wheat Improvement Center
cg.contributor.affiliationInstitute for Agricultural Research, Nigeria
cg.contributor.affiliationCouncil for Scientific and Industrial Research, Ghana
cg.contributor.affiliationInstitut de l’Environnement et de Recherches Agricoles, Burkina Faso
cg.contributor.affiliationHuesing Agricultural and Educational Consulting LLC, USA
cg.contributor.affiliationUnited States Department of Agriculture
cg.contributor.affiliationPurdue University
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationInternational Crop Research Institute for the Semi-Arid Tropics
cg.contributor.affiliationWorld Vegetable Center
cg.coverage.regionAfrica
cg.coverage.regionWest Africa
cg.coverage.countryBurkina Faso (Upper Volta)
cg.coverage.countryGhana
cg.coverage.countryNigeria
cg.coverage.hubHeadquarters and Western Africa Hub
cg.researchthemePlant Production and Health
cg.identifier.bibtexciteidADDAE:2021
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectAgronomy
cg.iitasubjectCowpea
cg.iitasubjectGrain Legumes
cg.iitasubjectPests of Plants
cg.iitasubjectPlant Breeding
cg.iitasubjectPlant Diseases
cg.iitasubjectPlant Health
cg.iitasubjectPlant Production
cg.iitasubjectSmallholder Farmers
cg.journalInternational Journal of Tropical Insect Science
cg.notesOpen Access Article; Published online: 29 Apr 2021
cg.accessibilitystatusOpen Access
cg.reviewstatusPeer Review
cg.usagerightslicenseCreative Commons Attribution 4.0 (CC BY 0.0)
cg.targetaudienceScientists
cg.identifier.doihttps://dx.doi.org/10.1007/s42690-021-00470-2
cg.iitaauthor.identifierManuele Tamò: 0000-0002-5863-7421
cg.futureupdate.requiredNo
cg.contributor.acknowledgementsThe authors are thankful to the United States Agency For International Development (USAID; AID-OAA-A-14-00035), the African Agricultural Technology Foundation (AATF), the Institute of Agricultural Research (IAR) in Nigeria, Institut de l’Environnement et de Recherché Agricoles (INERA) in Burkina Faso, and the Savana Agricultural Research Institute (SARI) in Ghana for providing funds and support for the Podborer Resistant Cowpea project. We are grateful to Hamza Adamu of IAR, Herve Bama at INERA and Ahmed Seidu at SARI for their field technical assistance.


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