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    Evaluation of strigaresistant early maize hybrids and test locations under strigainfested and strigafree environments

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    Date
    2013
    Author
    Akinwale, R.
    Badu-Apraku, B.
    Fakorede, M.A.B.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Emergence of several seed companies in the West Africa sub-region during the last decade has necessitated intensified efforts towards hybrid development and extensive testing. The objectives of the present study were to evaluate selected Striga-resistant maize (Zea mays L.) hybrids for grain yield and stability of performance based on multiple traits. Thirty Striga-resistant single–cross maize hybrids plus two checks were evaluated under artificial Striga infestation and Striga-free conditions at 2 locations in Nigeria in 2008 and 2009. The two test locations possessed high discriminating ability. More promising genotypes were identified under Striga infestation based on multiple traits than based on yield per se, suggesting that grain yield alone is not a precise predictor of Striga resistance. Based on both biplot analyses, TZEI12 x TZEI25 was identified as the most outstanding in performance under both research conditions. Furthermore, TZEI11 x TZEI127 and TZEI80 x TZEI2B were identified as the most outstanding under Striga-infested conditions and TZEI60 x TZEI87 under Striga-free conditions by the two biplot methods. The hybrids with outstanding performance should undergo extensive multilocational testing and promotion for adoption for commercial production.
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/1198
    IITA Subjects
    Maize
    Agrovoc Terms
    Zea Mays; Striga; Hybrids; Striga Hermonthica; Germplasm
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Journals
    African Crop Science Journal
    Collections
    • Journal and Journal Articles4842
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