According to the present invention, a plant disease control agent having a superior control effect on plant diseases at a low dose is provided. The plant disease control agent of the present invention includes at least one selected from tetrazolyl oxime derivatives represented by formula (I) and salts thereof, and at least one selected from the group consisting of imidacloprid, triflumizole, spinosad, hydroxy isoxazole, thiophanate-methyl, tricyclazole, clothianidin, benomyl, acetamiprid and salts thereof. In formula (I), X represents a C1-6 alkyl group or the like n represents an integer of 0 to 5 Y represents a C1-6 alkyl group Z represents a group represented by NHC(=O)-Q Q represents a C1-8 alkoxy group or the like R represents a halogen atom m represents an integer of 0 to 3.
