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    Performance of nine cassava (Manihot esculanta Crantz) clones across three environments

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    U13ArtBoakyepeprahPerformanceNothomDev.pdf (291.9Kb)
    Date
    2013-04
    Author
    Boakye-Peprah, B.
    Ofori , K.
    Asante, I.
    Parkes, E.
    Type
    Journal Article
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    The study was carried out to quantify the genotype × environment interaction (G × E) and to estimate the phenotypic stability by genotype genotype × environment (GGE) biplot of nine cassava clones comprising 5 hybrids, 3 parent checks and 1 improved variety. The study was planted across three different environments; Fumesua, Pokuase and Ejura representing forest, coastal savanna and forest transition zones, respectively. Genotype main effect was significant (P < 0.001) for fresh root yield and dry matter content, G × E interaction effect was significant (P < 0.001) for fresh root yield only and environment main effect was significant (P < 0.01) for only fresh root yield. The most stable clone for fresh root yield with above average performance was La02/026 (hybrid). The high genotype and low environment effects, and the relatively low interaction on dry matter content imply that evaluation and selection can be effectively done in fewer environments to select clones with high performance for the trait whiles fresh root yield requires multiple environments to identify clones with broad and specific adaptation.
    https://dx.doi.org/10.5897/JPBCS12.027
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/1219
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.5897/JPBCS12.027
    IITA Subjects
    Cassava
    Agrovoc Terms
    Genotypes; Stability; Dry Matter Content; Cassava
    Regions
    Africa; West Africa
    Countries
    Ghana
    Journals
    Journal of Plant Breeding and Crop Science
    Collections
    • Journal and Journal Articles4835
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