PROBLEM TO BE SOLVED: To provide a novel herbicide composition and a herbicidal method.SOLUTION: A herbicide composition contains component A selected from one or more compounds selected from an oxime compound represented by formula (1) or its salt and one or more components B selected from pinoxaden, tribenuron methyl, isoproturon, carfentrazone ethyl, fluroxypyr, MCPA, 2,4-PA, clopyralid and halauxifen. In formula (1), B represents a substituent having a cyclopentane-1,3-dione structure Q represents NOR7 R6 represents C1-C6 alkyl R7 represents C1-C6 alkyl R8a, R8b, R9a and R9b each independently represents H or C1-C6 alkyl m is an integer of 1 to 2 and n is an integer of 0 to 2.SELECTED DRAWING: NoneCOPYRIGHT: (C)2018,JPO&INPIT【課題】新規な除草性組成物及び除草方法の提供。【解決手段】式(1)で表されるオキシム化合物又はその塩から選ばれる1種以上の化合物から選択される成分Aと、ピノキサデン、トリベニュロンメチル、イソプロチュロン、カルフェントラゾンエチル、フルロキシピル、MCPA、2,4-PA、クロピラリド、ハロウキシフェン等から選ばれる1種以上の成分Bとを含有する除草性組成物。[Bはシクロペンタン-1,3-ジオン構造を有す置換基;QはNOR7;R6はC1~C6アルキル等;R7はC1~C6アルキル等;R8a、R8b、R9a及びR9bは、各々独立してH又はC1~C6アルキル;mは1~2の整数;nは0~2の整数]【選択図】なし
