| 摘要 |
PROBLEM TO BE SOLVED: To provide a specific inhibitor of brassinosteroid biosynthesis.SOLUTION: The plant growth regulator includes a compound represented by formula (I) (wherein, Rand Rdenote a hydrogen atom or the like; Rand Rdenote a phenyl group which may have a substituent or the like; Rdenotes a heteroaryl group including a nitrogen atom; X denotes a single bond or the like; and Y denotes an oxygen atom or the like) or its salt as an active constituent. |
