Application of Plant-Base Fungicides to Control Aflatoxigenic Fungi Producing Mycotoxins in Stored Cowpea Seeds

Author(s): Oredoyin A Ogungbemile, Peter M Etaware, Adegboyega C Odebode

The inhibition of aflatoxin production in stored grains and pulses was achieved by the use of chemicals. However, these chemicals constitute serious health hazards to humans and animals. It is neither environmentally friendly nor safe for the sustenance of the ecosystem. Therefore, the current study was designed to investigate the use of plant extracts in the eradication of seed- and air-borne aflatoxigenic species of fungi in line with the recommendations of World Health Organization [WHO]. Aflatoxin detoxification and mortality of aflatoxigenic fungal strains by plant-based fungicides were examined using rigorous laboratory procedures. The strains of Aspergillus flavus, A. Parasiticus and A. Fumigatus were totally killed by 1000mg/mL cons. of the phyto-fungicides (100% death recorded). Also, 100% aflatoxin detoxification was recorded by the application of 750 and 100mg/mL concentration of the plant-based fungicides used for this experiment. The use of plant extracts for control of fungal pests is safe and less expensive than synthetic pesticides. More so, they are environmentally friendly and constitute no health risk to humans and animals. This will help reduce pollution from chemical sources and also contribute to a sustainable development of the ecosystem.

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