PYRIDAZINONE-TYPE COMPOUND OR SALT THEREOF, AND HERBICIDE COMPRISING SAME

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-, -SO 2 - or -N(Y)-; Q is monocyclic aryl which may be substituted by Z, monocyclic heteroaryl which may be s...

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Bibliographische Detailangaben
Hauptverfasser:	YAMADA Ryu, UEKI Toshihiko, TANAKA Hisaki
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY FISHING FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING METALLURGY ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF TRAPPING
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Beschreibung
Zusammenfassung:	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-, -SO 2 - 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; R 1 is alkyl, alkenyl or the like; R 2 is a hydrogen atom, alkyl or the like; R 3 is halogen, hydroxy or the like; R 4 is a hydrogen atom, alkyl or the like; and n is an integer of from 0 to 4.