FIELD: chemistry.
SUBSTANCE: invention relates to a pyridazine compound of formula 
(1), in which R1 is a chlorine atom, bromine atom, C1-C4 alkyl group of C1-C4 alkoxy group, R2 is a C1-C4 alkyl group, R3 is a halogen atom, m equals 0 or 1, Q is a 6-member aromatic heterocyclic group selected from a pyridyl group, pyridazinyl group, pyrimidinyl group or pyrazinyl group, wherein the said aromatic heterocyclic group is optionally substituted with at least one substitute selected from a group comprising halogen atoms, C1-C4 alkyl group optionally substituted with at least one halogen atom, and C1-C4 alkoxy group optionally substituted with at least one halogen atom. This compound has excellent plant disease suppression.
EFFECT: compound can be used plant disease control.
10 cl, 11 tbl, 56 ex
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