| abstract |
A phenoxyalkanoylaminomethylphosphonic acid represented by the following formula (I) <IMAGE> (I) <IMAGE> wherein X and Y are identical or different and each represents a hydrogen atom, a halogen atom, CF3 or an alkyl group having not more than 5 carbon atoms, Z represents CH or N, and R1, R2, R3 and R4 are identical or different and each represents a hydrogen atom or a lower alkyl group having 1 to 5 carbon atoms. The compound is useful, as a herbicide, for eradicating weeds, especially narrow-leaved weeds. |