Phytopathogenic filamentous fungi other than oomycete microorganisms can be controlled using at least one compound selected from tetrazoyl oxime derivatives each represented by formula (I) and salts thereof. In formula (I), X represents a C1-C6 alkyl group or the like； n represents an integer of 0 to 5； Y represents a C1-C6 alkyl group； Z represents a hydrogen atom, an amino group or the like； Q represents a hydrogen atom, a C1-C8 alkyl group or the like； R represents a halogeno group or a C1-C6 alkoxy group； and m represents an integer of 0 to 3.
