| abstract |
Disclosed is a compound having an excellent control effect against weeds. A pyridazinone compound represented by the formula (I) is a useful compound as an active ingredient of a herbicide. Wherein R 1 represents hydrogen, a C 1-6 alkyl group, a C 3-8 cycloalkyl group, a (C 3-8 cycloalkyl) C 1-6 alkyl group, a C 3-4 alkenyl group or a C 3-4 alkynyl group, and R 2 represents Represents hydrogen, halogen, cyano group, nitro group, C1-6 alkyl group, R3 represents halogen, C1-3 alkyl group, R4 and R5 represent hydrogen and the like, A represents a monocyclic aryl group, etc. G represents a (C1-6 alkyl) carbonyl group, a C1-3 haloalkylcarbonyl group, a (C3-6 cycloalkyl) carbonyl group, a phenylcarbonyl group, a (phenyl) C1-6 alkyl group or a (phenyl) methyl group. ) [Selection figure] None |