FIELD: agriculture.
SUBSTANCE: invention relates to agriculture. Plant disease control composition comprises as active ingredients thereof at least one quinoline compound represented by the following general formula: 
(I), wherein, R1 and R2 represent optionally substituted alkyl groups or optionally substituted aryl groups, R3 and R4 represent hydrogen atoms, fluorine atom or methyl group, X represents a halogen atom or optionally substituted alkyl group, and Y represents a fluorine atom or methyl group, n is 0 to 2 and m is 0 or 1, or a salt thereof (group a), and one or more fungicidal compounds selected from group b.
EFFECT: invention allows increasing the composition efficiency.
3 cl, 8 tbl, 7 ex
