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    Host plant resistance to Radopholus similis in a diploid banana hybrid population

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    S09ArtDochezHostInthomNodev.pdf (179.6Kb)
    Date
    2009
    Author
    Dochez, C.
    Tenkouano, A.
    Ortiz, R.
    Whyte, J.
    Waele, D. de
    Type
    Journal Article
    Metadata
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    Abstract/Description
    The objective of the research was to study the genetics of host plant resistance toRadopholus similisin a diploid bananapopulation. Screening of a hybrid population and determination of the segregation ratios can provide information on the inheritanceand number of alleles controlling this trait in banana. The diploid banana hybrid population used was derived by crossing the diploidhybrids TMB2x 6142-1 and TMB2x 8075-7. The diploid banana hybrid population was evaluated with the individual root inoculationmethod using anR. similispopulation from Namulonge, Uganda. Of the 81 hybrids evaluated, 37 hybrids were resistant, 13 hybridswere partially resistant and 31 hybrids were susceptible toR. similis. After chi-square analysis, the results indicated that resistance toR. similisis controlled by two dominant genes,AandB, both with additive and interactive effects, whereby recessivebbsuppressesdominantA
    https://dx.doi.org/10.1163/156854109X446926
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/2504
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.1163/156854109X446926
    IITA Subjects
    Banana; Disease Control; Food Security; Genetic Improvement; Handling, Transport, Storage And Protection Of Agricultural Products; Livelihoods; Plant Breeding; Plant Diseases; Plantain; Plant Production
    Agrovoc Terms
    Burrowing Nematode; Musa; Resistance Genes; Segregating Population; Radopholus Similis; Bananas And Plantains; Pathogen; Genes; Pratylenchus
    Regions
    Africa; Acp; East Africa; Central Africa; North America; Southern Africa; Europe
    Countries
    Uganda; Cameroon; Mexico; Malawi; Belgium
    Journals
    Nematology
    Collections
    • Journal and Journal Articles4835
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