| abstract |
(57) [Summary] [Object] To provide more than conventional 2-aroylcyclohexanedione, which is suitable as a herbicide and a plant growth regulator and has improved properties. ## STR1 ## Formula I: [Wherein, A = C 1 -C 6 alkylene, R 1 = substituted phenyl ring or heteroaryl ring which may have a condensed ring, and R 2 -R 5 = hydrogen or C 1 -C 4 alkyl, R 6 = hydrogen, C 1 -C 4 alkyl or C 2- Aroylcyclohexanedione represented by 1 to C 4 alkoxycarbonyl, R 7 = C 1 to C 4 alkyl, provided that R 1 does not mean mono- or dihalogenphenyl], and agriculture thereof The salts usable above and esters of the compounds of formula I with C 1 -C 10 carboxylic acids or inorganic acids. |