Multi-trait selection index for superior agronomic and tuber quality traits in bush yam (Dioscorea praehensilis Benth.)

cg.authorship.typesCGIAR and developing country instituteen
cg.contributor.affiliationUniversity of Cape Coasten
cg.contributor.affiliationInternational Institute of Tropical Agricultureen
cg.contributor.affiliationUniversity of Floridaen
cg.contributor.affiliationUniversité Evangélique en Afriqueen
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.donorEuropean Unionen
cg.contributor.donorAfrican Unionen
cg.coverage.countryGhana
cg.coverage.iso3166-alpha2GH
cg.coverage.regionAfrica
cg.coverage.regionWestern Africa
cg.creator.identifierAdeyinka Adewumi: 0000-0002-5981-1882
cg.creator.identifieridris adejumobi: 0000-0002-6533-0612
cg.creator.identifierMichael O. Adu: 0000-0001-5243-7472
cg.creator.identifierJean Mondo: 0000-0001-7197-6551
cg.creator.identifierPaterne AGRE: 0000-0003-1231-2530
cg.howPublishedFormally Publisheden
cg.identifier.doihttps://doi.org/10.3390/agronomy13030682en
cg.identifier.iitathemeBIOTECH & PLANT BREEDING
cg.isijournalISI Journalen
cg.issn2073-4395en
cg.issue3: 682en
cg.journalAgronomyen
cg.reviewStatusPeer Reviewen
cg.subject.iitaAGRONOMYen
cg.subject.iitaFOOD SECURITYen
cg.subject.iitaGENETIC IMPROVEMENTen
cg.subject.iitaPLANT BREEDINGen
cg.subject.iitaPLANT PRODUCTIONen
cg.subject.iitaYAMen
cg.subject.impactAreaNutrition, health and food security
cg.subject.sdgSDG 2 - Zero hungeren
cg.volume13en
dc.contributor.authorAdewumi, A.S.en
dc.contributor.authorAsare, P.A.en
dc.contributor.authorAdejumobi, I.I.en
dc.contributor.authorAdu, M.O.en
dc.contributor.authorTaah, K.J.en
dc.contributor.authorAdewale, S.en
dc.contributor.authorMondo, J.en
dc.contributor.authorAgre, A.P.en
dc.date.accessioned2023-04-11T08:28:29Zen
dc.date.available2023-04-11T08:28:29Zen
dc.identifier.urihttps://hdl.handle.net/10568/129942
dc.titleMulti-trait selection index for superior agronomic and tuber quality traits in bush yam (Dioscorea praehensilis Benth.)en
dcterms.abstractDioscorea praehensilis Benth. is a semi-wild yam species and a valuable source of resistance trait genes. To access the agronomic and tuber quality performance, eleven quantitative phenotypic traits were used to discriminate and identify promising accessions among 162 accessions of D. praehensilis collected in Ghana. Significant and high genetic variability (p < 0.001) for all eleven quantitative traits was found among the evaluated accessions. Moderate broad-sense heritability (H2) (30–60%) was observed for all the evaluated quantitative traits except the response to YMV and tuber hardness. The accessions were clustered into three groups; each cluster displayed genotypes with good potentiality for the different traits evaluated. Path coefficient analysis revealed positive contributions (p < 0.01) of the number of tubers per plant, tuber length, tuber width, stem internode length, number of internodes, and tuber flesh hardness to the total tuber weight per plant. Through the multi-trait genotype–ideotype distance index (MGIDI), 24 accessions were identified from the 162 evaluated accessions as top-ranking and could be used as progenitors for trait introgression. The results of this study provide insight for future yam breeding and improvement programs in West Africa.en
dcterms.accessRightsOpen Access
dcterms.audienceScientistsen
dcterms.available2023-02-26
dcterms.bibliographicCitationAdewumi, A.S., Asare, P.A., Adejumobi, I.I., Adu, M.O., Taah, K.J., Adewale, S., ... & Agre, P.A. (2023). Multi-trait selection index for superior agronomic and tuber quality traits in bush yam (Dioscorea praehensilis Benth.). Agronomy, 13(3): 682, 1-16.en
dcterms.descriptionOpen Access Journalen
dcterms.extent1-16en
dcterms.issued2023
dcterms.languageen
dcterms.licenseCC-BY-4.0
dcterms.publisherMDPIen
dcterms.subjectdioscoreaen
dcterms.subjectquantitative trait locien
dcterms.subjectbreedingen
dcterms.subjectgenotypesen
dcterms.subjectghanaen
dcterms.typeJournal Article

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