3-(SUBSTITUTED PHENYL) PYRAZOLE DERIVATIVES, A PROCESS FOR PRODUCING THE SAME, HERBICIDAL COMPOSITION CONTAINING THE SAME AND METHOD OF CONTROLLING WEEDS USING SAID COMPOSITION

摘要

A 3-(substituted phenyl)pyrazole derivative or a salt thereof, the derivative being represented by the general formula (1) wherein, X denotes halogen, R1 denotes lower alkyl, R2 denotes halogen and R3 denotes lower alkyl, lower alkenyl or benzyl group, a process for producing said pyrazole derivative, a herbicidal composition containing said pyrazole derivative as an active ingredient, and a method of controlling weeds by applying said composition.