Sources of resistance in Musa to Xanthomonas campestris pv. musacearum, the causal agent of banana xanthomonas wilt

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dc.contributor.author Nakato, Gloria Valentine
dc.contributor.author Christelova, P.
dc.contributor.author Were, E.
dc.contributor.author Nyine, M.
dc.contributor.author Coutinho, Teresa A.
dc.contributor.author Dolezel, J.
dc.contributor.author Uwimana, B.
dc.contributor.author Swennen, R.
dc.contributor.author Mahuku, G.
dc.date.accessioned 2019-02-01T11:31:10Z
dc.date.available 2019-02-01T11:31:10Z
dc.date.issued 2019-01
dc.description.abstract It is claimed that, with the exception of Musa balbisiana, all banana varieties are susceptible to bacterial wilt caused by Xanthomonas campestris pv. musacearum (Xcm). Despite being resistant to Xcm infection, M. balbisiana is not preferred for breeding because it belongs to the BB genome subgroup, while most edible bananas are of the A genome. To identify potential sources of resistance to Xcm, 72 banana accessions representing the Musa genetic diversity were evaluated in an outdoor confined potted trial. The midribs of the youngest leaf of 3-month-old banana plants were inoculated with 108 CFU mL 1 of Xcm isolate USY13P, and symptom development assessed weekly for 4 months. Results confirmed that M. balbisiana genotypes are indeed resistant to Xcm. Varieties within the Musa acuminata subsp. zebrina (AA) set were further identified as potentially useful sources of Xcm resistance. These findings reveal the potential to develop banana and plantain varieties with tolerance to Xcm. en_ZA
dc.description.department Forestry and Agricultural Biotechnology Institute (FABI) en_ZA
dc.description.department Microbiology and Plant Pathology en_ZA
dc.description.librarian am2019 en_ZA
dc.description.sponsorship RTB-CRP en_ZA
dc.description.uri https://onlinelibrary.wiley.com/journal/13653059 en_ZA
dc.identifier.citation Nakato, G.V., Christelová, P., Were, E. et al. 2019, Sources of resistance in Musa to Xanthomonas campestris pv. musacearum, the causal agent of banana xanthomonas wilt', Plant Pathology, vol. 68, pp. 49-59. en_ZA
dc.identifier.issn 0032-0862 (print)
dc.identifier.issn 1365-3059 (online)
dc.identifier.other 10.1111/ppa.12945
dc.identifier.uri http://hdl.handle.net/2263/68368
dc.language.iso en en_ZA
dc.publisher Wiley en_ZA
dc.rights © 2018 The Authors. Plant Pathology published by John Wiley & Sons Ltd on behalf of British Society for Plant Pathology. This is an open access article under the terms of the Creative Commons Attribution License. en_ZA
dc.subject Banana en_ZA
dc.subject Genotype en_ZA
dc.subject Molecular breeding en_ZA
dc.subject Resistance en_ZA
dc.subject xanthomonas wilt en_ZA
dc.title Sources of resistance in Musa to Xanthomonas campestris pv. musacearum, the causal agent of banana xanthomonas wilt en_ZA
dc.type Article en_ZA


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