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    Performance of various cassava clones in the dry savanna region of Nigeria

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    Date
    1996
    Author
    Ekeneyake, I.J.
    Dixon, A.G.O.
    Porto, M.C.M.
    Type
    Book Chapter
    Metadata
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    Abstract/Description
    Cassava (Manihot esculenta Crantz) crop is widely known adapt to variable drought conditions. Due to the lack of adapted and high-yielding cultivars tolerant to the prevalent biotic and abiotic stresses, cassava is yet to find a wide and appropriate niche in the farming systems of the African dry savannas. Research aimed at improving adaptation to dry environments is under way. Field studies conducted at two lowland sites in the northern Guinea and Sudan savanna zones of Nigeria revealed a wide genetic variability in adaptation among African and introduced Latin American germplasm. Significant genotypic variability for stomatal response to dry weather fibrous root development, leaf stay-green ability, tuberous root yield and apparent water-use efficiency have been noted. Such variable mechanisms of adaptation associated with drought resistance are currently used as selection criteria in the IITA breeding programme to improve and sustain the cassava production in these dry savanna zones.
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6479
    IITA Subjects
    Cassava; Crop Systems; Farming Systems; Research Method; Genetic Improvement
    Agrovoc Terms
    Cassava; Crops; Cultivars; Farming Systems; Research; Genetic Variability; Germplasm
    Regions
    Africa; West Afica
    Countries
    Nigeria
    Collections
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