A novel herbicide having remarkable herbicidal activities against undesired plants is provided.
A pyridazinone compound represented by the formula (I) or its salt:
wherein X is -O-, -S-, -SO-, -SO2- or -N(Y)-; Q is monocyclic aryl which may be substituted by Z, monocyclic heteroaryl which may be substituted by Z or the like; Y is a hydrogen atom or alkyl; Z is halogen, alkyl or the like; R1 is alkyl, alkenyl or the like; R2 is a hydrogen atom, alkyl or the like; R3 is halogen, hydroxy or the like; R4 is a hydrogen atom, alkyl or the like; and n is an integer of from 0 to 4.
本研究提供了一种新型
除草剂,该
除草剂对有害植物具有显著的除草活性。
一种由式(I)或其盐代表的
哒嗪酮化合物:
其中X是-O-、-S-、-SO-、-SO2-或-N(Y)-;Q是可被Z取代的单环芳基、可被Z取代的单环杂芳基或类似物;Y是氢原子或烷基;Z是卤素、烷基或类似物;R1是烷基、烯基或类似物;R2是氢原子、烷基或类似物;R3是卤素、羟基或类似物;R4是氢原子、烷基或类似物;n是0至4的整数。