PROBLEM TO BE SOLVED: To provide a safe herbicide that has an effect on a variety of weeds at a low dosage, and alleviates problems such as soil contamination and an influence on succeeding crops.SOLUTION: A herbicide comprises, for example, a haloalkylsulfonamide derivative represented by the following general formula and/or salt thereof as an active ingredient, where R2 represents a H atom, an alkoxycarbonyl group or the like, and R5 represents a H atom, an alkoxycarbonyl group, an optionally substituted C1-C6 alkyl group, a tetrahydropyranyl group or the like.COPYRIGHT: (C)2016,JPO&INPIT【課題】低薬量で各種雑草に対して効果を示し、且つ、土壌汚染や後作物への影響等の問題が軽減された、安全性の高い除草剤の提供。【解決手段】例えば下記一般式で表されるハロアルキルスルホンアミド誘導体及び/又はその塩を有効成分としてを含有する除草剤。[式中、R2はH原子、アルコキシカルボニル基等を示し、R5はH原子、アルコキシカルボニル基、置換されていてもよいC1~C6アルキル基、又はテトラヒドロピラニル基等を表す。]【選択図】なし
