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Diversity of Fusarium associated banana wilt in northern Viet Nam

dc.contributor.authorLe Thi, L.
dc.contributor.authorMertens, A.
dc.contributor.authorVu, D.T.
dc.contributor.authorVu, T.D.
dc.contributor.authorAnh Minh, P.L.
dc.contributor.authorDuc, H.N.
dc.contributor.authorde Backer, S.
dc.contributor.authorSwennen, R.
dc.contributor.authorVandelook, F.
dc.contributor.authorPanis, B.
dc.contributor.authorAmalfi, M.
dc.contributor.authorDecock, C.
dc.contributor.authorGomes, S.I.F.
dc.contributor.authorMerckx, V.S.F.
dc.contributor.authorJanssens, S.
dc.date.accessioned2022-03-21T10:31:20Z
dc.date.available2022-03-21T10:31:20Z
dc.date.issued2022
dc.identifier.citationLe Thi, L., Mertens, A., Vu, D.T., Vu, T.D., Anh Minh, P.L., Duc, H.N., ... & Janssens, S. (2022).  Diversity of Fusarium associated banana wilt in northern Viet Nam. MycoKeys, 87, 53-76.
dc.identifier.issn1314-4057
dc.identifier.urihttps://hdl.handle.net/20.500.12478/7389
dc.description.abstractFusarium is one of the most important fungal genera of plant pathogens that affect the cultivation of a wide range of crops. Agricultural losses caused by Fusariumoxysporumf.sp.cubense (Foc) directly affect the income, subsistence, and nourishment of thousands of farmers worldwide. For Viet Nam, predictions on the impact of Foc for the future are dramatic, with an estimated loss in the banana production area of 8% within the next five years and up to 71% within the next 25 years. In the current study, we applied a combined morphological-molecular approach to assess the taxonomic identity and phylogenetic position of the different Foc isolates collected in northern Viet Nam. In addition, we aimed to estimate the proportion of the different Fusarium races infecting bananas in northern Viet Nam. The morphology of the isolates was investigated by growing the collected Fusarium isolates on four distinct nutritious media (PDA, SNA, CLA, and OMA). Molecular phylogenetic relationships were inferred by sequencing partial rpb1, rpb2, and tef1a genes and adding the obtained sequences into a phylogenetic framework. Molecular characterization shows that c. 74% of the Fusarium isolates obtained from infected banana pseudostem tissue belong to F.tardichlamydosporum. Compared to F.tardichlamydosporum, F.odoratissimum accounts for c.10% of the Fusarium wilt in northern Viet Nam, demonstrating that Foc TR4 is not yet a dominant strain in the region. Fusariumcugenangense – considered to cause Race 2 infections among bananas – is only found in c. 10% of the tissue material that was obtained from infected Vietnamese bananas. Additionally, one of the isolates cultured from diseased bananas was phylogenetically not positioned within the F.oxysporum species complex (FOSC), but in contrast, fell within the Fusariumfujikuroi species complex (FFSC). As a result, a possible new pathogen for bananas may have been found. Besides being present on several ABB ‘Tay banana’, F.tardichlamydosporum was also derived from infected tissue of a wild Musalutea, showing the importance of wild bananas as a possible sink for Foc.
dc.description.sponsorshipBill & Melinda Gates Foundation
dc.description.sponsorshipVietnamese National Foundation for Science and Technology Development
dc.format.extent53-76
dc.language.isoen
dc.subjectBananas
dc.subjectDiseases
dc.subjectFungal Diseases
dc.subjectMusa
dc.subjectVietnam
dc.titleDiversity of Fusarium associated banana wilt in northern Viet Nam
dc.typeJournal Article
cg.contributor.crpRoots, Tubers and Bananas
cg.contributor.affiliationPlant Resources Center, Vietnam
cg.contributor.affiliationMeise Botanic Garden, Belgium
cg.contributor.affiliationInternational Institute of Tropical Agriculture
cg.contributor.affiliationBioversity International
cg.contributor.affiliationNaturalis Biodiversity Center, The Netherlands
cg.contributor.affiliationWageningen University and Research Centre
cg.contributor.affiliationUniversity of Amsterdam
cg.contributor.affiliationKatholieke Universiteit, Leuven
cg.contributor.affiliationVietnam National University of Agriculture
cg.contributor.affiliationFédération Wallonie–Bruxelles, Service Général de l’Enseignement Universitaire et de la Recherche Scientifique
cg.contributor.affiliationMycothèque de l’Université Catholique de Louvain
cg.coverage.regionAsia
cg.coverage.regionSoutheast Asia
cg.coverage.countryVietnam
cg.coverage.hubEastern Africa Hub
cg.researchthemeBiotech and Plant Breeding
cg.identifier.bibtexciteidLETHI:2022
cg.isijournalISI Journal
cg.authorship.typesCGIAR and developing country institute
cg.iitasubjectAgronomy
cg.iitasubjectBanana
cg.iitasubjectFood Security
cg.iitasubjectPlant Breeding
cg.iitasubjectPlant Diseases
cg.iitasubjectPlant Production
cg.journalMycokeys
cg.notesOpen Access Article; Published online: 10 Feb 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/10.3897/mycokeys.87.72941
cg.iitaauthor.identifierRony Swennen: 0000-0002-5258-9043
cg.futureupdate.requiredNo
cg.identifier.volume87


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