Sumitomo chemical company limited

A method for controlling weeds comprising applying effective amounts of a uracil compound represented by the following formula (I):

• 17
• wherein Z represents a halogen atom or cyano;
• A represents an oxygen atom, sulfur atom or NH;
• R1 represents hydroxyl, C1-C7 alkoxy, C3-C7 alkenyloxy, C3-C7 alkynyloxy, C5-C7 cycloalkoxy, {(C1-C7 alkoxy)carbonyl} C1-C3 alkoxy, (C1-C7 alkylamino)oxy, {di(C1-C7 alkyl)amino}oxy, (C3-C7 alkylideneamino)oxy, C1-C7 alkylamino, di(C1-C7 alkyl)amino, C3-C7 alkenylamino, C3-C7 alkynylamino, C5-C7 cycloalkylamino, {(C1-C7 alkoxy)carbonyl} C1-C3 alkylamino or (C1-C7 alkoxy)amino, and R2 represents a hydrogen atom or methyl,
• and one or more organophosphorus compounds selected from the group consisting of N-(phosphonomethyl)glycine, agriculturally acceptable salts of N-(phosphonomethyl)glycine and ammonium DL-homoalanin-4-yl(methyl)phosphinate to weeds.

A use of a composition comprising a uracil compound represented by the following formula (I):

• 18
• wherein Z represents a halogen atom or cyano;
• A represents an oxygen atom, sulfur atom or NH;
• R1 represents hydroxyl, C1-C7 alkoxy, C3-C7 alkenyloxy, C3-C7 alkynyloxy, C5-C7 cycloalkoxy, {(C1-C7 alkoxy)carbonyl} C1-C3 alkoxy, (C1-C7 alkylamino)oxy, {di(C1-C7 alkyl)amino}oxy, (C3-C7 alkylideneamino)oxy, C1-C7 alkylamino, di(C1-C7 alkyl)amino, C3-C7 alkenylamino, C3-C7 alkynylamino, C5-C7 cycloalkylamino, {(C1-C7 alkoxy)carbonyl} C1-C3 alkylamino or (C1-C7 alkoxy)amino, and R2 represents a hydrogen atom or methyl,
• and one or more organophosphorus compounds selected from the group consisting of N-(phosphonomethyl)glycine, agriculturally acceptable salts of N-(phosphonomethyl)glycine and ammonium DL-homoalanin-4-yl(methyl)phosphinate as an herbicide.