Patent ID: 7482307

Claim:
An herbicide composition comprising, as active ingredients, a uracil compound represented by the following formula (I): wherein the substituent represented by the following formula: is attached to the 2-position as defined in the formula (I), wherein Z represents a halogen atom; A represents an oxygen atom; R 1 represents hydroxyl or C1-C7 alkoxy; and R 2 represents a hydrogen atom or methyl; and one or more imidazolinone compounds selected from the group consisting of 5-ethyl- 2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid and 2-(4-isopropyl-4-methyl-5- oxo-2-imidazolin-2-yl)-5-(methoxymethyl)nicotinic acid; and wherein a mixing ratio of the uracil compound represented by the formula (I) to 5-ethyl-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl) nicotinic acid is 1:2 to 1:16 in weight ratio, and a mixing ratio of the uracil compound represented by the formula (I) to 2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)-5-(methoxymethyl)nicotinic acid is 1:1 to 1:8 in weight ratio to provide synergism.