Disclosed are compounds exhibiting sufficient herbicidal activity at low application dosage when they are applied to soils and foliage, and an agrochemical composition using the same, in particular herbicides. The compounds are triazine derivatives represented by following Formula 1 or salts thereof, and the herbicides containing them: [Chem. 28] wherein in the formula, R1 represents a hydrogen atom; a C1-C12 alkyl group; a C2-C6 alkenyl group, etc., R2 represents a C1-C12 alkyl group, etc., Y and Z represent an oxygen atom or a sulfur atom, and A represents a 5- or 6-membered cyclic group which may contain a nitrogen atom, an oxygen atom, or a sulfur atom.
本发明涉及在土壤和叶面上施用时表现出足够的除草活性,并且在低施用剂量下使用的化合物,以及使用它们的农药组合物,特别是
除草剂。该化合物是由以下式子1表示的三嗪衍
生物或其盐,以及含有它们的
除草剂:[Chem. 28] 其中,在该式中,R1表示氢原子;C1-C12烷基;C2-C6烯基等,R2表示C1-C12烷基等,Y和Z表示氧原子或
硫原子,A表示可能含有氮原子,氧原子或
硫原子的5-或6-成员环状基团。