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    Sources of resistance to Pseudocercospora fijiensis, the cause of black Sigatoka in banana

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    Journal Article (1.594Mb)
    Date
    2021
    Author
    Kimunye, J.
    Were, E.
    Swennen, R.
    Viljoen, A.
    Mahuku, G.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Black Sigatoka, caused by Pseudocercospora fijiensis, is one of the most devastating diseases of banana. In commercial banana-growing systems, black Sigatoka is primarily managed by fungicides. This mode of disease management is not feasible for resource-limited smallholder farmers. Therefore, bananas resistant to P. fijiensis provide a practical solution for managing the disease, especially under smallholder farming systems. Most banana and plantain hybrids with resistance to P. fijiensis were developed using few sources of resistance, which include Calcutta 4 and Pisang Lilin. To broaden the pool of resistance sources to P. fijiensis, 95 banana accessions were evaluated under field conditions in Sendusu, Uganda. Eleven accessions were resistant to P. fijiensis. Black Sigatoka symptoms did not progress past Stage 2 (narrow brown streaks) in the diploid accessions Pahang (AA), Pisang KRA (AA), Malaccensis 0074 (AA), Long Tavoy (AA), M.A. Truncata (AA), Tani (BB), and Balbisiana (BB), a response similar to the resistant control Calcutta 4. These accessions are potential sources of P. fijiensis resistance and banana breeding programmes can use them to broaden the genetic base for resistance to P. fijiensis.
    https://dx.doi.org/10.1111/ppa.13408
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7177
    IITA Authors ORCID
    Janet Kimunyehttps://orcid.org/0000-0003-0084-1232
    Rony Swennenhttps://orcid.org/0000-0002-5258-9043
    George Mahukuhttps://orcid.org/0000-0001-8444-8651
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1111/ppa.13408
    Research Themes
    Biotech and Plant Breeding; Plant Production and Health
    IITA Subjects
    Agronomy; Banana; Disease Control; Food Security; Plant Breeding; Plant Diseases; Plant Health; Plant Production
    Agrovoc Terms
    Bananas; Pseudocercospora; Diseases; Plant Diseases; Disease Resistance; Uganda
    Regions
    Africa; East Africa
    Countries
    Uganda
    Hubs
    Eastern Africa Hub
    Journals
    Plant Pathology
    Collections
    • Journal and Journal Articles4835
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