The present invention provides a method of reducing the occurrence of phytopathogenic fungi selected from the group consisting of Fusarium virguliforme, Fusarium brasiliense sp. nov., Fusarium cuneirostrum sp. nov. and Fusarium tucumaniae in plants, comprising applying an effective amount of a composition comprising a compound of formula (I), to a plant seed prior to planting, to soil in which a plant is growing or in which it is desired to grow it, to plant roots or to combinations thereof, wherein said plant seed or said plant roots are infected with a fungal strain selected from the group consisting of Fusarium virguliforme, Fusarium brasiliense sp. nov., Fusarium cuneirostrum sp. nov. and Fusarium tucumaniae.