The present invention provides a novel herbicide showing excellent herbicidal effects, which has a wide application range including agricultural fields and non-agricultural fields and various application methods including soil treatment and foliage treatment. A pyrazole compound represented by the formula (I) or its salt: wherein R
1
is alkyl, R
2
is a hydrogen atom or alkyl, R
3
is alkyl, R
4
is alkyl, R
5
is alkyl substituted by one alkoxy, alkoxy substituted by one alkoxy, or alkoxycarbonyl, R
6
is alkylsulfonyl, A is alkylene substituted by at least one alkyl; a process for its production; a herbicide containing it as an active ingredient; and a method for controlling undesired plants or inhibiting their growth, which comprises applying a herbicidally effective amount thereof to the undesired plants or to a place where they grow.
本发明提供了一种新型
除草剂,具有出色的除草效果,适用范围广泛,包括农田和非农田,以及各种应用方法,包括土壤处理和叶面处理。该
除草剂包含以下式子(I)或其盐的
吡唑化合物:其中R1是烷基,R2是氢原子或烷基,R3是烷基,R4是烷基,R5是烷基,被一个烷氧基取代,烷氧基被一个烷氧基取代,或烷氧羰基,R6是烷基磺酰基,A是至少一个烷基取代的烷基;其生产方法;以及包含其作为活性成分的
除草剂;以及一种控制不良植物或抑制其生长的方法,其中包括将其除草有效量应用于不良植物或它们生长的地方。