Plant disease control agent

A plant disease control agent comprising at least one of tetrazoyloxime derivatives represented by a formula (1) and salts thereof,

• wherein, X represents hydrogen atom, a C1 to C6 alkyl group, a C1 to C6 alkoxy group, halogen atom, nitro group, cyano group, a C6 to C10 aryl group or a C1 to C6 alkyl sulfonyl group,
• A represents a tetrazoyl group represented by a formula (2) or (3)
• wherein, Y represents a C1 to C6 alkyl group,
• D represents a group represented by a formula (4) or (5)
• wherein, Z represents hydrogen atom, an amino group or a group represented by a formula —NHC(═O)—Q,
• wherein, Q represents hydrogen atom, a C1 to C8 alkyl group, a C1 to C6 haloalkyl group, a C3 to C6 cycloalkyl group, a C1 to C8 alkoxy group, a C3 to C6 cycloalkyloxy group, a C7 to C20 aralkyloxy group, a C1 to C4 alkyl thio C1 to C8 alkyl group, a C1 to C4 alkoxy C1 to C2 alkyl group, a C1 to C4 acyl amino C1 to C6 alkyl group, a C1 to C4 acyl amino C1 to C6 alkoxy group, a C1 to C8 alkyl amino group, a C2 to C6 alkenyl group, an aralkyl group or phenyl group, R represents hydrogen atom or a halogen atom, and
• at least one agent selected from the group consisting of fosetyl, basic copper chloride, chlorothalonil, manzeb, cymoxanil, folpet, cyazofamid, metalaxyl, fludioxonil, tebuconazole, azoxystrobin, propamocarb hydrochloride, iminoctadine triacetate and iminoctadine trialbesilate.