PROBLEM TO BE SOLVED: To provide novel herbicidal compositions and weeding methods.SOLUTION: A herbicidal composition comprises a component A comprising a heterocyclic amide compound represented by the following formula, and one or more compound selected from components B represented by butachlor, fentrazamide, mefenacet, pyrazosulfuron-ethyl and the like (R1a is H, a halogen atom, C1-C6 alkyl and the like, R2a is a halogen atom, C1-C6 alkyl and the like, R3 is a hydrogen atom and the like, R4a is H, C1-C6 alkyl and the like, n is an integer of 0-3).SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,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】下式に代表される複素環アミド化合物からなる成分Aと、ブタクロール、フェントラザミド、メフェナセット、ピラゾスルフロンエチル等に代表される成分Bから選ばれる1種以上の化合物とを含有する除草性組成物。(R1aはH、ハロゲン原子、C1~C6アルキル等、R2aはハロゲン原子、C1~C6アルキル等、R3は水素原子等、R4aはH、C1~C6アルキル等、nは0~3の整数)【選択図】なし
