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    Assessment of the effects of genotype, location, and planting season on the nutritional composition and the metabolizable energy of advanced twenty-five maize hybrids

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    Journal Article (463.1Kb)
    Date
    2022-09-09
    Author
    Alamu, E.O.
    Menkir, A.
    Adesokan, M.
    Fawole, S.
    Maziya-Dixon, B.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    This study investigated the effects of genotype, location, and planting season on the proximate composition and metabolizable energy of advanced maize hybrids. Twenty-five hybrid maize and a local variety as control were harvested from five locations 100 days after planting for two seasons. The maize samples were sorted, cleaned, and pulverized using a laboratory mill and were analyzed for nutritional composition and metabolizable energy (ME) using standard laboratory methods. Moisture content, ash, fat, and protein had mean ± SD of 8.97 ± 0.40%, 1.48 ± 0.05%, 4.31 ± 0.19, and 8.88 ± 0.18%, respectively. ME had a mean ± SD of 379.77 ± 2.17 kJ, and total carbohydrates had values ranging from 74.68 and 77.20%, with an average of 76.68%. Results showed that most of the variations expressed in the proximate compositions of the maize hybrids were not significantly (p > 0.05) dependent on the genotypes. In contrast, locations significantly affected the maize hybrids’ proximate composition and metabolizable energy (p < 0.001). In addition, there was no significant effect (p > 0.05) of location by genotype interaction on the proximate composition and ME of the maize samples. The planting season also exhibited a significant (p < 0.001) difference for all the proximate parameters. Fourteen out of the twenty-five maize hybrids were similar to the local variety in terms of proximate composition and metabolizable energy. Therefore, they could be recommended for advancement in the breeding stages for release for household and industrial uses.
    https://dx.doi.org/10.3390/ijpb13030028
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/7801
    IITA Authors ORCID
    Alamu Emmanuel Oladejihttps://orcid.org/0000-0001-6263-1359
    Abebe Menkirhttps://orcid.org/0000-0002-5907-9177
    Digital Object Identifier (DOI)
    https://dx.doi.org/10.3390/ijpb13030028
    Research Themes
    Biotech and Plant Breeding; Nutrition and Human Health
    IITA Subjects
    Aflatoxin; Agronomy; Crop Systems; Food Systems; Maize; Nutrition; Plant Breeding
    Agrovoc Terms
    Genetics; Environment; Proximate Composition; Maize; Varieties; Hybrids; Planting; Seasons
    Regions
    Africa; West Africa
    Countries
    Nigeria
    Hubs
    Headquarters and Western Africa Hub
    Journals
    International Journal of Plant Biology
    Collections
    • Journal and Journal Articles4835
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