| abstract |
A pyridone derivative represented by Formula [1] or an agriculturally acceptable salt thereof: n nwherein R 1 is a C 1-6 alkyl group, a C 2-6 alkenyl group, a C 2-6 alkynyl group, or the like; R 2 and R 3 are each independently a hydrogen atom, a nitro group, a cyano group, or the like; and A is a group represented by Formula A-1, Formula A-2, Formula A-3, Formula A-4, or Formula A-5:n n n n n n n n n n n The compounds represented by general formula [1] control various weeds growing in upland fields, orchards, paddy fields, and non-crop lands while showing high safety to useful plants and crops. |