The present invention relates to the control of fungal pathogens, such as pathogens that cause sudden death syndrome, in plants by applying one or more polyene fungicides to a plant seed, soil and/or plant roots.本發明關於控制植物的真菌病原,諸如引起猝死症候群之病原,該控制係藉由將一或多種多烯殺真菌劑施予植物種子、土壤及/或植物根部。