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    Evaluation of Mchare and Matooke Bananas for Resistance to Fusarium oxysporum f. sp. cubense Race 1

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    Journal Article (305.9Kb)
    Date
    2020-09
    Author
    Ndayihanzamaso, P.
    Mostert, D.
    Matthews, M.C.
    Mahuku, G.
    Jomanga, K.
    Mpanda, H.J.
    Mduma, H.
    Brown, A.
    Uwimana, B.
    Swennen, R.
    Tumuhimbise, R.
    Viljoen, A.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Fusarium wilt, caused by the soil-borne fungus Fusarium oxysporum f. sp. cubense (Foc) race 1, is a major disease of bananas in East Africa. Triploid East African Highland (Matooke) bananas are resistant to Foc race 1, but the response of diploid (Mchare and Muraru) bananas to the fungus is largely unknown. A breeding project was initiated in 2014 to increase crop yield and improve disease and pest resistance of diploid and triploid East African Highland bananas. In this study, eight Mchare cultivars were evaluated for resistance to Foc race 1 in the field in Arusha, Tanzania. In addition, the same eight Mchare cultivars, as well as eight Muraru cultivars, 27 Mchare hybrids, 60 Matooke hybrids and 19 NARITA hybrids were also screened in pot trials. The diploid Mchare and Muraru cultivars were susceptible to Foc race 1, whereas the responses of Mchare, NARITAs and Matooke hybrids ranged from susceptible to resistant. The Mchare and Matooke hybrids resistant to Foc race 1 can potentially replace susceptible cultivars in production areas severely affected by the fungus. Some newly bred Matooke hybrids became susceptible following conventional breeding, suggesting that new hybrids need to be screened for resistance to all Foc variants.
    https://dx.doi.org/10.3390/plants9091082
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7694
    IITA Authors ORCID
    George Mahukuhttps://orcid.org/0000-0001-8444-8651
    Allen Brownhttps://orcid.org/0000-0002-4468-5932
    Brigitte Uwimanahttps://orcid.org/0000-0001-7460-9001
    Rony Swennenhttps://orcid.org/0000-0002-5258-9043
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.3390/plants9091082
    Research Themes
    Biotech and Plant Breeding; Plant Production and Health
    IITA Subjects
    Agronomy; Banana; Disease Control; Plant Breeding; Plant Diseases; Plant Health; Plant Production
    Agrovoc Terms
    East Africa; Bananas; Fusarium Wilt; Disease Resistance
    Regions
    Africa; East Africa
    Countries
    Tanzania; Uganda
    Hubs
    Eastern Africa Hub
    Journals
    Plants
    Collections
    • Journal and Journal Articles4835
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