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    Effect of essential oils on the growth of Fusarium verticillioides and Fumonisin contamination in corn

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    Date
    2004
    Author
    Fandohan, P.
    Gbenou, J.D.
    Gnonlonfin, B.
    Hell, K.
    Marasas, W.F.O.
    Wingfield, M.J.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    Essential oils extracted by hydrodistillation from local plants in Benin, western Africa, and oil from seeds of the neem tree (Azadirachta indica) were evaluated in vitro and in vivo for their efficacy against Fusarium verticillioides infection and fumonisin contamination. Fumonisin in corn was quantified using a fluorometer and the Vicam method. Oils from Cymbopogon citratus, Ocimum basilicum, and Ocimum gratissimum were the most effective in vitro, completely inhibiting the growth of F. verticillioides at lower concentrations over 21 days of incubation. These oils reduced the incidence of F. verticillioides in corn and totally inhibited fungal growth at concentrations of 8, 6.4, and 4.8 μL/g, respectively, over 21 days. At the concentration of 4.8 μL/g, these oils did not affect significantly fumonisin production. However, a marked reduction of fumonisin level was observed in corn stored in closed conditions. The oils adversely affected kernel germination at 4.8 μL/g and therefore cannot be recommended for controlling F. verticillioides on stored corn used as seeds, when used at this concentration. The oil of neem seeds showed no inhibitory effect but rather accelerated the growth of F. verticillioides.
    https://doi.org/10.1021/jf040043p
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/6239
    Digital Object Identifier (DOI)
    https://doi.org/10.1021/jf040043p
    IITA Subjects
    Maize; Plant Diseases; Disease Control; Plant Health
    Agrovoc Terms
    Maize; Fusarium; Fumonisins; Essential Oils; Cymbopogon Citratus; Ocimum Basilicum
    Regions
    Africa; West Africa
    Countries
    Benin
    Collections
    • Journal and Journal Articles4842
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