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Genetic diversity in Colocasia esculenta and Xanthosoma mafaffa in Togo, West Africa

dc.contributor.authorBammite, D.
dc.contributor.authorMatthews, P.J.
dc.contributor.authorDagnon, Y.D.
dc.contributor.authorAgbogan, A.
dc.contributor.authorAgre, A.P.
dc.contributor.authorAkintayo, O.T.
dc.contributor.authorOdah, K.
dc.contributor.authorDansi, A.
dc.contributor.authorAbberton, M.
dc.contributor.authorTozo, K.S.
dc.date.accessioned2022-03-31T15:19:09Z
dc.date.available2022-03-31T15:19:09Z
dc.date.issued2021
dc.identifier.citationBammite, D., Matthews, P.J., Dagnon, Y.D., Agbogan, A., Agre, P.A., Akintayo, O.T., ... & Tozo, K.S. (2021). Genetic diversity in Colocasia esculenta and Xanthosoma mafaffa in Togo, West Africa. Advances in Horticultural Science, 35(3), 255-267.
dc.identifier.issn1592-1573
dc.identifier.urihttps://hdl.handle.net/20.500.12478/7399
dc.description.abstractTaro and new cocoyam are root and leaf crops commonly grown in tropical to warm temperate regions. In Togo, they are neglected and underutilized. Here we report the genetic diversity of 26 accessions of taro and 101 accessions of new cocoyam. Analysis of simple sequence repeats revealed low polymorphic information content of 0.43 and 0.25 in taro and new cocoyam, respectively. PCA scatterplots and Neighbour Joining dendrograms based on the SSR data clustered accessions into groups that moreorless correspond to morphological diversity in both species. AMOVA within and between morphological groups revealed greater variances within groups than between. This indicates weak genetic differentiation between morphological groups, particularly for taro. Genetic diversity was greater among taro cultivars. Taro has a longer history of introduction and dispersal in Africa, and has had more opportunity for multiple introduction and local cultivar development. Different strategies are suggested for future development of these crops in Togo and Africa. For taro, further studies of existing diversity and recent experimental introductions to Africa are likely to be rewarding. New cocoyam, a modern historical introduction, has spread widely in Africa with little genetic diversity. For this crop, international collaboration is needed to clarify taxonomy, and to introduce further cultivars for evaluation under local conditions in Africa.
dc.description.sponsorshipInternational Foundation for Science
dc.format.extent255-267
dc.language.isoen
dc.subjectCrops
dc.subjectDiversity
dc.subjectGenetic Diversity
dc.subjectTaro
dc.subjectTogo
dc.titleGenetic diversity in Colocasia esculenta and Xanthosoma mafaffa in Togo, West Africa
dc.typeJournal Article
cg.contributor.crpGenebanks
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.affiliationUniversité de Lomé
cg.contributor.affiliationNational Museum of Ethnology, Japan
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationUniversité Polytechnique d’Abomey
cg.coverage.regionAfrica
cg.coverage.regionWest Africa
cg.coverage.countryTogo
cg.coverage.hubHeadquarters and Western Africa Hub
cg.researchthemeBiotech and Plant Breeding
cg.identifier.bibtexciteidBAMMITE:2021
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectAgronomy
cg.iitasubjectBiodiversity
cg.iitasubjectGenetic Improvement
cg.iitasubjectPlant Breeding
cg.iitasubjectPlant Genetic Resources
cg.iitasubjectPlant Production
cg.journalAdvances in Horticultural Science
cg.notesOpen Access Journal; Published online: 09 Jul 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/10.36253/ahsc-9689
cg.iitaauthor.identifierPaterne AGRE: 0000-0003-1231-2530
cg.iitaauthor.identifierMichael Abberton: 0000-0003-2555-9591
cg.futureupdate.requiredNo
cg.identifier.issue3
cg.identifier.volume35


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