Review of varietal change in roots, tubers and bananas: consumer preferences and other drivers of adoption and implications for breeding

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dc.creatorThiele, Graham
dc.creatorDufour, Dominique
dc.creatorVernier, Philippe
dc.creatorMwanga, Robert O.M.
dc.creatorParker, Monica
dc.creatorSchulte-Geldermann, Elmar
dc.creatorTeeken, Béla
dc.creatorWossen, Tesfamichael
dc.creatorGotor, Elisabetta
dc.creatorKikulwe, Enoch Mutebi
dc.creatorTufan, Hale Ann
dc.creatorSinelle, Sophie
dc.creatorKouakou, Amani Michel
dc.creatorFriedmann, Michael
dc.creatorPolar, Vivian
dc.creatorHershey, Clair H.
dc.date2020-07-02
dc.date2020-07-09T13:49:45Z
dc.date2020-07-09T13:49:45Z
dc.date.accessioned2026-06-27T15:52:01Z
dc.descriptionThis review of the literature on varietal change in sub‐Saharan Africa looks in detail at adoption of new varieties of bananas in Uganda, cassava in Nigeria, potato in Kenya, sweetpotato in Uganda and yams in Côte d’Ivoire. The review explored three hypotheses about drivers of varietal change. There was a strong confirmation for the hypothesis that insufficient priority given to consumer‐preferred traits by breeding programs contributes to the limited uptake of modern varieties (MVs) and low varietal turnover. Lack of evidence meant the second hypothesis of insufficient attention to understanding and responding to gender differences in consumer preferences for quality and post‐harvest traits was unresolved. The evidence on the third hypothesis about the informal seed system contributing to slow uptake of MVs was mixed. In some cases, the informal system has contributed to rapid uptake of MVs, but often it appears to be a barrier with inconsistent varietal naming a major challenge.
dc.identifierhttps://hdl.handle.net/10568/108733
dc.identifier.urihttp://hdl.handle.net/123456789/115822
dc.languageen
dc.publisherWiley
dc.rightsOpen Access
dc.sourceThiele, G., Dufour, D., Vernier, P., Mwanga, R. O. M., Parker, M. L., Schulte Geldermann, E., Teeken, B., Wossen, T., Gotor, E., Kikulwe, E., Tufan, H., Sinelle, S., Kouakou, A. M., Friedmann, M., Polar, V., & Hershey, C. (2020). A review of varietal change in roots, tubers and bananas: consumer preferences and other drivers of adoption and implications for breeding. In International Journal of Food Science & Technology (Vol. 56, Issue 3, pp. 1076–1092). Wiley. https://doi.org/10.1111/ijfs.14684
dc.subjectroot crops
dc.subjecttubers
dc.subjectbananas
dc.subjectvarieties
dc.subjectplant breeding
dc.subjectselection criteria
dc.subjectconsumer behaviour
dc.subjectfood science
dc.subjectcassava
dc.subjectconsumers
dc.subjectpotatoes
dc.subjectsweet potatoes
dc.subjectyams
dc.subjectadoption
dc.subjectsubsaharan africa
dc.titleReview of varietal change in roots, tubers and bananas: consumer preferences and other drivers of adoption and implications for breeding
dc.typeJournal Article

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Instituto Internacional de Agricultura Tropical (IITA)