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

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    Date
    2018
    Author
    Nakato, G.V.
    Christelova, P.
    Were, E.
    Nyine, M.
    Coutinho, T.A.
    Dolezel, Jaroslav
    Uwimana, B.
    Swennen, R.
    Mahuku, George S.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    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.
    http://dx.doi.org/10.1111/ppa.12945
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/4649
    Non-IITA Authors ORCID
    Pavla Christelovahttps://orcid.org/0000-0003-2559-5445
    Moses Nyinehttps://orcid.org/0000-0002-8409-7588
    Jaroslav Dolezelhttps://orcid.org/0000-0002-6263-0492
    Brigitte Uwimanahttps://orcid.org/0000-0001-7460-9001
    Rony Swennenhttps://orcid.org/0000-0002-5258-9043
    George Mahukuhttps://orcid.org/0000-0001-8444-8651
    Digital Object Identifier (DOI)
    http://dx.doi.org/10.1111/ppa.12945
    Research Themes
    BIOTECH & PLANT BREEDING
    IITA Subjects
    Banana; Plant Breeding
    Agrovoc Terms
    Bananas; Genotypes; Resistance; Xanthomonas; Plantains
    Regions
    Africa; East Africa
    Countries
    Uganda
    Journals
    Plant Pathology
    Collections
    • Journal and Journal Articles4842
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