Abstract
This study aimed to isolate and identify seed-borne fungi associated with some seeds collected from Egypt markets during storage and the possibility of their control by medicinal plant extracts. The studied seeds were Sorghum bicolor, Triticum aestivum, Oryza sativa, Lens esculentus, Vigna sinensis, Arachis hypogea and Vicia faba. Thirteen fungal species were isolated from those Aspergillus niger, A. flavus and Penicillium chrysogenum were the most prevalent. Sixteen medicinal plants named Allium sativum, Aloe vera, Mentha basilicum, Musa acuminate, Eucalptus rostrata, Datura stramonium, Zingiber officinale, Azadirachta indica, Jatropha curcas, Euphorbia peplis, Ocimum basilicum, Carum carvi, Rosmarinus officinalis, Nigella sativa, Cuminum cyminum and Citrullus colocynthis were screened for their antifungal activities. Aqueous plant extracts of all mentioned plants were tested against the most prodomonant fungal species. Allium sativum, Zingiber officinale, Datura stramonium and Citrullus colocynthis exhibited the highest antifungal activity within all plants tested. Treated seeds by plant extracts showed an increase of the percentage of their germination and reduction of seed-borne fungal infection. Mycotoxins of infected seeds and fungal pathogens were also determined.
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