PROBLEM TO BE SOLVED: To obtain an amide derivative having high activities for promoting rooting of a plant and substantially having no side effect, and further to prepare a plant growth regulator containing the amide derivative as an active ingredient.SOLUTION: This plant growth regulator contains a compound represented by general formula (1) (wherein, R1 is 3-indolyl, 1-naphthyl or the like A is methylene or the like B is methylene or the like and R2 is hydroxy or the like) or a salt thereof as an active ingredient. The amide derivative is represented by general formula (2) (wherein, D is methylene or the like E is methylene or the like and R3 is hydroxy or the like).COPYRIGHT: (C)2001,JPO【課題】 植物の発根促進活性が高く、副作用を実質的に持たないアミド誘導体及び該アミド誘導体を有効成分とする植物成長調整剤の提供。【解決手段】 下記一般式(1)【化1】(式中、R1は3-インドリル基、1-ナフチル基等、Aはメチレン基等、Bはメチレン基等、R2はヒドロキシ基等を示す)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及び下記一般式(2)【化2】(式中、Dはメチレン基等、Eはメチレン基等、R3はヒドロキシ基等を示す)等で表されるアミド誘導体。
