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    Preliminary evaluation of secondary Musa polyploids at IITA breeding station

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    Date
    1994
    Author
    Ortiz, R.
    Vuylsteke, D.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    Secondary triploids were produced by crossing primary tetraploids with selected diploid partners and the parthenocarpic banana (Galeo). Comparisons between secondary tetraploids and secondary triploids showed that the secondary tetraploids generally had lower yields than secondary triploids. The percentage of clones selected was also higher in the secondary triploids than for secondary tetraploids, which demonstrates the more efficient breeding potential of the former. Nevertheless some resistant secondary tetraploids were selected for further testing due to their acceptable bunch weights and/or short plant height in the plant crop. The highest yielding secondary triploid was obtained by crossing IITA's primary tetraploid plantain 'TMPx 4479-1' ('Bobby Tannap' x 'Calcutta 4') with the improved diploid banana 'SH-3362' from the Fundación Hondureña de Investigación Agrícola (FHIA). Nonadditive genetic effects may control heterosis for bunch weight in Musa.
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/5583
    IITA Subjects
    Plantain; Banana; Food Security; Plant Breeding; Plant Production
    Agrovoc Terms
    Bananas; Clones; Yields; Breeding; Plantains
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Collections
    • Journal and Journal Articles4835
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