This invention is to create a novel pesticide for agro-horticulture. This invention provides a benzyloxypyrinidine derivatives represented by formula (I), and salts thereof. {wherein, R1 represents an alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, haloalkynyl, alkoxyalkyl and the like R2 or R3 represents a hydrogen atom, alkyl and the like X represents an alkyl, cycloalkyl, alkenyl, alkynyl, haloalkyl, haloalkenyl, haloalkynyl, trialkylsilyl and the like A represents an oxygen atom and the like m represents an integer of 0 to 5} and a pesticide for agro-horticulture comprising the compound as active ingredient and a method for using same.
