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    Assessment of variability in the root system characteristics of banana (Musa spp.) according to genome group and ploidy level

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    Date
    2000
    Author
    Blomme, Guy
    Swennen, R.
    Tenkouano, A.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    The relative contribution of ploidy status and genome composition to the variability of root traits in Musa was studied in 18 genotypes (from 5 genomic groups and 3 ploidy levels) at Onne, Nigeria. There was a significant effect of ploidy level on the different characteristics, except for root dry weight and cord root length of the mat. Generally, with increasing ploidy level the magnitude of plant characteristics tended to increase. The effect of genotype was significant for all assessed traits, while the effect of genome group was significant for all shoot and several root traits. There was an increase in sucker development with decreasing ploidy level. All diploid bananas had a non-regulating suckering behaviour resulting in a faster cycling, while triploids and tetraploids had a regulated or an inhibited suckering. There was a clear relationship between shoot and root growth according to genome group.
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/5511
    IITA Subjects
    Banana; Food Security; Genetic Improvement; Plant Diseases
    Agrovoc Terms
    Genotypes; Bananas; Ploidy
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Collections
    • Journal and Journal Articles4835
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