PROBLEM TO BE SOLVED: To provide a plant growth regulator which has a plant rooting promotion effect and a gramineous plant ripening effect.SOLUTION: The plant growth regulator comprises, as an active ingredient, a compound represented by the specified general formula (1) or a salt thereof. (In the formula, Ar represents a phenyl group that may have 1-5 substituents, and R1 represents a hydroxy group, an amino group or an alkoxy group.)COPYRIGHT: (C)2014,JPO&INPIT【課題】植物の発根促進作用やイネ科植物の登熟作用を有する植物成長調整剤を提供する。【解決手段】下記一般式(1)(式中、Arは1~5個の置換基を有してもよいフェニル基を示し、R1はヒドロキシ基、アミノ基又はアルコキシ基を示す。)で表される化合物又はその塩を有効成分とする植物成長調整剤。【選択図】なし
