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Molecular, morphological and agronomic characterization of the sweet potato (Ipomoea batatas L.) germplasm collection from Mozambique: Genotype selection for drought prone regions

2013Journal article Restricted access
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dc.contributor.authorMaquia, I.
dc.contributor.authorMuocha, I.
dc.contributor.authorNaico, A.
dc.contributor.authorMartins, N.
dc.contributor.authorGouveia, M.
dc.contributor.authorAndrade, I.
dc.contributor.authorGoulao, L. F.
dc.contributor.authorRibeiro, A. I.
dc.date.accessioned2023-07-26T10:19:21Z
dc.date.available2023-07-26T10:19:21Z
dc.date.issued2013
dc.description.abstractSweet potato (Ipomoea batatas (L.) Lam) is one of the most important root crops in Mozambique, ranking in the 3rd position, after cassava and maize. Within the scope of the national and regional strategies/initiatives, we have used a multi-analysis approach to characterize the national sweet potato germplasm collection at two different levels: i) genetic, morphological and agronomic diversity; and ii) agronomic potential (storage root yield, vine weight, biomass, harvest index and dry matter content) toward drought tolerance. This collection, composed by 44 accessions, comprises 28 genotypes cultivated in three different provinces of Mozambique (Gaza, Inhambane and Zambezia), nine from other African countries (Kenya, South Africa, Uganda and Zimbabwe), one from the United States of America, and six from CGIAR research centers (IITA and CIP). According to our results, the Mozambican germplasm bank presents a high level of diversity, comparable to those from the collections of the primary centers of origin and South Africa, therefore constituting of a good source of agronomic traits for breeding. Regarding drought tolerance, six Mozambican genotypes (Admarc, Chingova, Nhacoongo-1, Xihetamakote, Nwanatuyo, and Chissicuana-2), one from Uganda (NASPOT-5), one from Zimbabwe (Moz_white), one from Kenya (SPK 004), and one from the USA (Resisto) seem to have the highest potential to be used in regions with frequent drought seasons and in future breeding programs. The results showed that such integrated analysis can be used to successfully characterize the genetic material in terms of suitability to drought-prone regions, there fore helping sweet potato crop management, with economic and food security impacts.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationMaquia, I., Muocha, I., Naico, A., Martins, N., Gouveia, M., Andrade, I., ... & Ribeiro, A. I. (2013). Molecular, morphological and agronomic characterization of the sweet potato (Ipomoea batatas L.) germplasm collection from Mozambique: Genotype selection for drought prone regions. South African Journal of Botany, 88, 142-151.pt_PT
dc.identifier.doi10.1016/j.sajb.2013.07.008pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.13/5288
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevierpt_PT
dc.subjectCrop productivitypt_PT
dc.subjectDrought tolerancept_PT
dc.subjectGenetic diversitypt_PT
dc.subjectGermplasm bankpt_PT
dc.subjectIpomoea batataspt_PT
dc.subjectRAPpt_PT
dc.subject.pt_PT
dc.subjectFaculdade de Ciências da Vidapt_PT
dc.titleMolecular, morphological and agronomic characterization of the sweet potato (Ipomoea batatas L.) germplasm collection from Mozambique: Genotype selection for drought prone regionspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage151pt_PT
oaire.citation.startPage142pt_PT
oaire.citation.titleSouth African Journal of Botanypt_PT
oaire.citation.volume88pt_PT
person.familyNameGouveia
person.givenNameManuela
person.identifier.ciencia-idA017-CFB6-50D5
person.identifier.orcid0000-0001-5758-2230
person.identifier.scopus-author-id16480248200
rcaap.rightsrestrictedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicatione7211b14-d59d-49b9-8a5c-b44291e0ea77
relation.isAuthorOfPublication.latestForDiscoverye7211b14-d59d-49b9-8a5c-b44291e0ea77

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