| abstract |
<P>PROBLEM TO BE SOLVED: To provide an acaricide that has a sure effect and is safely usable, a new urea compound or a salt thereof that becomes an active ingredient of acaricide. <P>SOLUTION: The acaricide comprises at least one kind of a compound represented by formula (I) (wherein, R<SP>1</SP>is alkyl or the like; R<SP>2</SP>is alkyl or the like; R<SP>3</SP>is a halogen atom or the like; R<SP>4</SP>is a hydrogen atom or the like; R<SP>5</SP>is alkyl or the like; m and n are each an integer of 0-2; X is N=CN or the like; and A is O or the like) or its salt as an active ingredient. <P>COPYRIGHT: (C)2011,JPO&INPIT |