< Topic > This invention, the chemical injury reduction medicine, the said chemical injury reduction medicine of the herbicide which features that it contains the isothiazole derivative or that salt which quite is ideal in lightening the chemical injury of the cultivation plant without decreasing the weeding effect as the active ingredient and the chemical injury which designates the herbicide as the active ingredient offers the herbicidal property constituent which is lightened, and the chemical injury reduction manner which uses that. Solutions General expression [I][In formula, X and X shows the halogen atom, R, the C C alkyl group, the C C arukeniru basis, the C C alkynyl group, C C shikuroarukiru , the C C halo alkyl group, shows 5 - 10 member complex ring bases which include at least one of the phenyl group or oxygen atom, the sulfur atom or the nitrogen atoms.]So the chemical injury reduction medicine of the herbicide which features that it contains the 3,4 jiharogenoisochiazoru derivative or that salt which is displayed as the active ingredient. < Choice figure >It is not< Conversion 1 >【課題】本発明は、除草効果を低減することなく栽培植物の薬害を軽減することに極めて好適であるイソチアゾール誘導体又はその塩を有効成分として含有することを特徴とする除草剤の薬害軽減剤、該薬害軽減剤と除草剤を有効成分とする薬害軽減された除草性組成物、及び、それを用いる薬害軽減方法を提供する。【解決手段】一般式[I][式中、X1及びX2は、ハロゲン原子を示し、Rは、C1-C6アルキル基、C2-C6アルケニル基、C2-C6アルキニル基、C3-C6シクロアルキル基、C1-C6ハロアルキル基、フェニル基又は酸素原子、硫黄原子もしくは窒素原子の少なくとも一つを含む5~10員複素環基を示す。]で表される3,4-ジハロゲノイソチアゾール誘導体又はその塩を有効成分として含有することを特徴とする除草剤の薬害軽減剤。【選択図】なし【化1】
