| abstract |
(57) [Summary] [Solution] General formula (I) Wherein R 1 is H, (C 1-8 ) alkyl, R 2 and R 3 are H, (halo) (C 1-8 ) alkyl, (C 1-8 ) alkoxy, (Substituted) (C 3-8) cycloalkyl, (substituted) phenyl (C 1-6) alkyl group, (substituted) 5- or 6-membered heterocyclic carbonyl such as, R 2 + R 3 is (substituted) 5- or 6-membered heterocyclic Ring, X and Y Is H, halogen, nitro, cyano, (halo) (C 1-8 ) alkyl, (C 3-8 ) cycloalkyl, (substituted) phenyl, etc. Z 1 and Z 2 are different and C or N. ] The heterocyclic dicarboxylic acid diamide derivative represented by these, its salt, and a herbicide. [Effect] The herbicide of the present invention is useful for weeding annual and perennial weeds that occur in paddy fields, fields, orchards, wetlands, etc., and is particularly useful for controlling weeds such as barnyard grass and firefly in paddy fields. . |