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    Evaluation of improved cassava genotypes for yield and related traits for a better breeding strategy under different agroecologies in Nigeria

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    Journal Article (641.5Kb)
    Date
    2021
    Author
    Adetoro, N.A.
    Oworu, O.O.
    Nassir, A.L.
    Bello, A.
    Parkes, E.
    Ogunbayo, S.A.
    Akinwale, M.G.
    Aina, O.O.
    Afolabi, A.
    Iluebbey, P.
    Sanni, L.O.
    Maziya-Dixon, B.
    Dixon, A.
    Kulakow, P.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
    Show full item record
    Abstract/Description
    This study aimed at determining shoot and root characteristics of cassava as affected by root yield and the influence of soil moisture on vegetative growth and yield. Thirty cassava genotypes were evaluated for morphological and physiological characterization in three locations in Nigeria: Ibadan, Mokwa and Zaria. Randomized complete block design was used with four replicates. Studies on the pasting properties of the genotypes were also carried out. Data were collected on plant height, stem girth, stay-green ability, garri and fresh root weight. Genotypes differed significantly (P < 0.05) across and within locations for shoot and root characteristics. Across locations, genotype 011663 had the highest plant height (132.4 cm); 30572 had the largest stem girth (8.6 cm); and 010040 was the best stay-green (2.2). Genotype 011086 had the highest number of roots per plot (95.7), 950289 had the highest fresh root yield (24.3 t/ha), and 990554 had the highest percentage of dry matter (35.2). Trends in root yields across locations were Ibadan (28.9 t/ha), Mokwa (20.3 t/ha), and Zaria (8 t/ha). Five genotypes IITA-TMS-IBA950289, 010034, 990554, 011807, and 980581 had negligible interactions with the environment and so have broad adaptation and are considered stable; and two clones 011807 and 950166 were found to be the best for pasting properties. Breeding strategies that consider root size, total root number, harvest index, dry matter, with applications for household foods and industrial uses, will be an effective and efficient way to select genotypes for high yield.
    https://doi.org/10.1007/s10681-021-02798-9
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7097
    IITA Authors ORCID
    Bello Abolorehttps://orcid.org/0000-0002-8871-6163
    E J Parkeshttps://orcid.org/0000-0003-4063-1483
    Busie Maziya-Dixonhttps://orcid.org/0000-0003-2014-2201
    Peter Kulakowhttps://orcid.org/0000-0002-7574-2645
    Digital Object Identifier (DOI)
    https://doi.org/10.1007/s10681-021-02798-9
    Research Themes
    Biotech and Plant Breeding; Nutrition and Human Health
    IITA Subjects
    Agronomy; Cassava; Plant Breeding; Plant Production
    Agrovoc Terms
    Cassava; Genotypes; Soil Moisture; Vegetative Stage; Nigeria; Breeding
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Hubs
    Headquarters and Western Africa Hub
    Journals
    Euphytica
    Collections
    • Journal and Journal Articles4835
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