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White Guinea yam (Dioscorea rotundata Poir.) landraces trait profiling and setting benchmark for breeding programs in the Republic of Benin

dc.contributor.authorLoko, Y.
dc.contributor.authorGbemavo, C.
dc.contributor.authorAgre, A.P.
dc.contributor.authorDassou, A.G.
dc.contributor.authorYelome, O.I.
dc.contributor.authorIdossou, R.
dc.contributor.authorAfoha, S.A.P.
dc.contributor.authorDadonougbo, E.
dc.contributor.authorFakorede, J.
dc.contributor.authorDansi, A.
dc.date.accessioned2022-09-14T09:13:31Z
dc.date.available2022-09-14T09:13:31Z
dc.date.issued2022
dc.identifier.citationLoko, Y., Gbemavo, C., Agre, A.P., Dassou, A.G., Yelome, O.I., Idossou, R., ... & Dansi, A. (2022). White Guinea yam (Dioscorea rotundata Poir.) landraces trait profiling and setting benchmark for breeding programs in the Republic of Benin. PloS ONE, 17(8), 1-22.
dc.identifier.issn1932-6203
dc.identifier.urihttps://hdl.handle.net/20.500.12478/7743
dc.description.abstractTo meet the high demand for white Guinea yam, there is a need to develop and release improved varieties to farmers. Unfortunately, low rate of adoption of most of the improved yam varieties by both producers and consumers was observed. Information regarding agronomic characteristics and food qualities of popular white Guinea yam landraces with high market value are not available to establish minimum standards to be considered by breeding programs. To fill this gap, surveys using rural appraisal tools were carried out in 20 villages and 16 markets throughout Benin. Data on the agronomic performance suggested that for an improved variety to be adopted by Beninese farmers it should have a minimum yield of 4.16 ± 0.15 kg per mound, and average number of marketable tubers of 1.23 ± 0.05, a mean tuber length of 36.41 ± 1.22 cm, and a minimum diameter of 25.44 ± 1.16 cm. The sensorial attributes for boiled and pounded tubers of this improved variety should have minimum score of 3.16 for texture, 0.75 for softness, 3.75 for elasticity, and 1.34 for colour during the sensory evaluation. The improved variety must also have a minimum average severity score of 1.1 for yam mosaic virus disease, 1.33 for anthracnose and 1 for nematodes. Landraces Amoula, Laboko, and Djilaadja should be considered as the standard for yield, sensory attributes, and tolerance to pest and diseases while landraces Danwari, Kodjewe, Mondji, and Gnidou should be characterized as possessing good flowering and fruit setting capacities for breeding programs.
dc.description.sponsorshipBill & Melinda Gates Foundation
dc.format.extent1-22
dc.language.isoen
dc.subjectYams
dc.subjectDioscorea
dc.subjectFood Security
dc.subjectClimate Change
dc.subjectEconomic Value
dc.subjectWhite Guinea Yam
dc.titleWhite Guinea yam (Dioscorea rotundata Poir.) landraces trait profiling and setting benchmark for breeding programs in the Republic of Benin
dc.typeJournal Article
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.affiliationNational High School of Applied Biosciences and Biotechnologies, Benin
cg.contributor.affiliationNational University of Sciences, Technologies, Engineering and Mathematics, Benin
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.coverage.regionAfrica
cg.coverage.regionWest Africa
cg.coverage.countryBenin (Dahomey)
cg.coverage.hubHeadquarters and Western Africa Hub
cg.researchthemeBiotech and Plant Breeding
cg.identifier.bibtexciteidLOKO:2022b
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectAgronomy
cg.iitasubjectClimate Change
cg.iitasubjectFood Security
cg.iitasubjectPlant Breeding
cg.iitasubjectPlant Production
cg.iitasubjectSocioeconomy
cg.iitasubjectYam
cg.journalPLoS ONE
cg.notesOpen Access Journal; Published online: 17 Aug 2022
cg.accessibilitystatusOpen Access
cg.reviewstatusPeer Review
cg.usagerightslicenseCreative Commons Attribution 4.0 (CC BY 0.0)
cg.targetaudienceScientists
cg.identifier.doihttps://dx.doi.org/10.1371/journal.pone.0273043
cg.iitaauthor.identifierPaterne AGRE: 0000-0003-1231-2530
cg.futureupdate.requiredNo
cg.identifier.issue8
cg.identifier.volume17


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