Fuente: WIPO "tomato" The present invention relates to the use of compounds (I) where the variables are as defined in the claims and the description, for combatting dihydroorotate-dehydrogenase inhibitor-resistant phytopathogenic fungi, and to a method for combatting dihydroorotate-dehydrogenase inhibitor-resistant phytopathogenic fungi comprising treating the phytopathogenic fungi or the materials, plants, the soil or seeds that are infected or infested or are at risk of being infected or infested with said phytopathogenic fungi with at least one compound (I). The invention relates moreover to a mutated DHODH inhibitor resistant DHODH enzyme and to a nucleic acid molecule comprising at least one nucleotide sequence encoding a mutated DHODH enzyme.