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Efficacy of selected botanical oils against the cassava whitefly (Bemisia tabaci) and their effects on its feeding behaviour

dc.contributor.authorAmour, M.
dc.contributor.authorWosula, E.N.
dc.contributor.authorMrisho, L.
dc.contributor.authorHoskins, C.
dc.contributor.authorBuss, D.
dc.contributor.authorBruce, T.
dc.contributor.authorStephano, F.
dc.contributor.authorLegg, J.
dc.date.accessioned2023-09-21T14:31:02Z
dc.date.available2023-09-21T14:31:02Z
dc.date.issued2023-08
dc.identifier.citationAmour, M., Wosula, E.N., Mrisho, L., Hoskins, C., Buss, D., Bruce, T., ... & Legg, J. (2023). Efficacy of selected botanical oils against the cassava whitefly (Bemisia tabaci) and their effects on its feeding behaviour. Journal of Applied Entomology, 147(7), 473-485.
dc.identifier.issn0931-2048
dc.identifier.urihttps://hdl.handle.net/20.500.12478/8254
dc.description.abstractThe control of the whitefly Bemisia tabaci relies heavily on the use of synthetic insecticides. There is a need to develop alternative control strategies due to concerns about impact of these insecticides on the environmental and human health, and the threat of insecticide resistance. Botanical oil extracts could potentially be used for the management of whiteflies and other pests. The study reported here therefore aimed to evaluate the efficacy of selected botanical oils against the cassava whitefly, B. tabaci and test their effect on its feeding behaviour. Patchouli oil treatment was the most effective at repelling whiteflies in no choice and choice experiments with up to 85% of whiteflies being repelled. Oviposition was also reduced 50–89% in patchouli. Neem was found to be effective at reducing oviposition, nymph and adult emergence by 50%, 70% and 80%, respectively, in a screenhouse no choice experiment. Patchouli significantly reduced the phloem ingestion phase (E2) by 40% and potential drops (pd) by 46% compared to control plants. Neem significantly increased the non-probing duration by 48% and reduced pd by 50% compared to the control. Patchouli and neem were found to be the most effective among the selected botanical oils. These two oils should be further evaluated for efficacy under field conditions to determine suitability for recommendation as biopesticides against the cassava B. tabaci whitefly.
dc.description.sponsorshipBBSRC CONNECTED Network
dc.description.sponsorshipCGIAR Initiative on Plant Health and Rapid Response to Protect Food Security and Livelihoods
dc.format.extent473-485
dc.language.isoen
dc.subjectCassava
dc.subjectBemisia Tabaci
dc.subjectAleyrodidae
dc.subjectNeem Oil
dc.subjectPatchouli
dc.subjectThyme
dc.titleEfficacy of selected botanical oils against the cassava whitefly (Bemisia tabaci) and their effects on its feeding behaviour
dc.typeJournal Article
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationKWS Saat SE & Co KGaA, Germany
cg.contributor.affiliationUniversity of Strathclyde
cg.contributor.affiliationKeele University
cg.contributor.affiliationUniversity of Dar es Salaam
cg.coverage.regionACP
cg.coverage.regionAfrica
cg.coverage.regionAfrica South of Sahara
cg.coverage.regionEast Africa
cg.coverage.regionEurope
cg.coverage.regionNorth America
cg.coverage.countryTanzania
cg.coverage.countryThe United Kingdom
cg.coverage.countryUnited States of America
cg.coverage.hubEastern Africa Hub
cg.researchthemeNatural Resource Management
cg.researchthemePlant Production and Health
cg.identifier.bibtexciteidAMOUR:2023
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectAgronomy
cg.iitasubjectCassava
cg.iitasubjectFood Security
cg.iitasubjectPlant Breeding
cg.iitasubjectPlant Diseases
cg.iitasubjectPlant Production
cg.journalJournal of Applied Entomology
cg.notesOpen Access Article; Published online: 25 May 2023
cg.accessibilitystatusOpen Access
cg.reviewstatusPeer Review
cg.usagerightslicenseCreative Commons Attribution 4.0 (CC BY 0.0)
cg.targetaudienceScientists
cg.identifier.doihttps://doi.org/10.1111/jen.13128
cg.iitaauthor.identifierEVERLYNE WOSULA: 0000-0001-5693-0889
cg.iitaauthor.identifierJames Legg: 0000-0003-4140-3757
cg.futureupdate.requiredNo
cg.identifier.issue7
cg.identifier.volume147


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