PROBLEM TO BE SOLVED: To provide a novel herbicide which has excellent herbicidal performance against weeds, and has safety for cultivated crops and, further, high safety for animals.SOLUTION: Provided is a herbicide containing a heteroarylsulfonamide-based compound represented by a general formula (I) or a salt thereof as an active component, which realizes remarkable improvement of herbicidal activity against undesirable plants (weeds) compared to similar conventional compounds. Also provided is a method for controlling undesirable plants or suppressing growth thereof by applying a herbicidally effective dose of the compound or a salt thereof to the undesirable plants or a place where they grow.SELECTED DRAWING: NoneCOPYRIGHT: (C)2016,JPO&INPIT【課題】雑草に対して優れた除草性能を有し、且つ栽培作物に対する安全性を有し、更には、高い動物安全性も備えた新規な除草剤を提供する。【解決手段】類似する従来化合物に比して望ましくない植物(雑草)への著しい除草活性の向上を実現する一般式(I)のヘテロアリールスルホンアミド系化合物又はその塩を有効成分として含有する除草剤、および当該化合物又はその塩の除草有効量を、望ましくない植物又はそれが生育する場所に施用し、望ましくない植物を防除又はその生育を抑制する方法。【選択図】なし
