A herbicidal composition is here disclosed which exerts an excellent herbicidal activity and which is harmless to paddy rice. A 1-[1-methyl-1-(substituted phenyl)ethyl]-4,5-dimethyl-3-(substituted phenyl)-3-pyrroline-2-one derivative represented by the formula (I) ##STR1## (wherein X is a chlorine atom, fluorine atom or bromine atom; Y is a hydrogen atom, fluorine atom, chlorine atom or methoxy group; Z is a hydrogen atom, fluorine atom, bromine atom or chlorine atom; and Q is a hydrogen atom or fluorine atom) is a novel compound, and the herbicidal composition containing this compound as a herbicidally active ingredient has the strong activity and high selectivity as the herbicidal composition for paddy fields.
本文披露了一种
除草剂组合物,具有极好的除草活性,并对稻米无害。该组合物包含一种1-[1-甲基-1-(取代苯基)乙基]-4,5-二甲基-3-(取代苯基)-3-
吡咯烷-2-酮衍
生物,其
化学式为(I)##STR1##(其中X是
氯原子、
氟原子或
溴原子;Y是氢原子、
氟原子、
氯原子或甲氧基;Z是氢原子、
氟原子、
溴原子或
氯原子;Q是氢原子或
氟原子),这是一种新化合物,含有此化合物作为
除草剂活性成分的
除草剂组合物具有强大的活性和高选择性,适用于
水稻田的
除草剂组合物。