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    Biological versus chemical control of fall armyworm and Lepidoptera stem borers of maize (Zea mays)

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    Journal Article (304.2Kb)
    Date
    2019
    Author
    Kammo, E.Q.
    Suh, C.
    Mbong, G.A.
    Djomo, S.H.
    Chimi, N.L.L.
    Mbeungang, D.L.
    Mafouasson, H.
    Meseka, S.
    Menkir, A.
    Type
    Journal Article
    Review Status
    Peer Review
    Target Audience
    Scientists
    Metadata
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    Abstract/Description
    Insect pests are serious constraints to production of maize. There is little information on the control measures against those insects in Cameroon. This study was carried out to identify the different species of fall armyworm and stem borers of maize and test the efficacy of different control methods. The maize variety ATP (Acid Tolerant Population) was used in a randomized complete block design. Synthetic insecticides, lambda cyalothrine and cypermethrin, were applied at one and two weeks intervals at the recommended doses of 2 L/ha and 1.5 l/ha respectively. Bio insecticides: Neem oil (Azadirachta indica), and aqueous extracts of Chenopodium ambrosioides leaves were applied weekly at the doses of 1.40 L/ha and 6.80 L/ha respectively. The different larvae recorded were the fall armyworm (Spodoptera frugiperda) and stem borers (Busseola fusca and Sesamia calamistis). All the treatments used in this study had significant effects on the number of pupae, the tunnels and the number of perforations on stems of the maize. The Neem oil at one-week interval was more effective in reducing the incidence (81, 21%) and severity (61, 54%) at 76 Days After Planting of the attack by the caterpillars as well as on the number of larvae (14, 82%) throughout the trial.
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6855
    IITA Authors ORCID
    SILVESTRO MESEKAhttps://orcid.org/0000-0003-1004-2450
    Abebe Menkirhttps://orcid.org/0000-0002-5907-9177
    Research Themes
    Biotech and Plant Breeding
    IITA Subjects
    Agronomy; Disease Control; Food Security; Maize; Pests of Plants; Plant Breeding; Plant Diseases; Plant Health; Plant Production
    Agrovoc Terms
    Maize; Insecticides; Spodoptera Frugiperda; Production; Pest Insects
    Regions
    Africa; Central Africa
    Countries
    Cameroon
    Hubs
    Central Africa Hub
    Journals
    Agronomie Africaine
    Collections
    • Journal and Journal Articles4842
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