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Fungal diseases in cereal crops cause major economic losses and also threaten human and livestock health, because some fungi produce powerful toxins that might enter the food chain. Farmers use fungicides to control crop diseases, such as wheat head blight. Although agrochemicals are rigorously tested for safety, there can be concerns over chemical residues in food.
Kanazawa, Japan – Fungal diseases in cereal crops cause major economic losses and also threaten human and livestock health, because some fungi produce.
A team led by Kanazawa University, Japan, discovered that applying the vitamin nicotinamide (NIM) to plants prevents development of fungal disease. Pre-treatment with NIM activates the plant immune response and increases amounts of antimicrobial compounds that suppress the growth of the fungus. The results could lead to novel approaches to tackling crop diseases, potentially replacing toxic fungicide sprays with new, safer ways to stimulate the plant s own defense systems.