PROBLEM TO BE SOLVED: To provide a grafting apparatus with which, even if a grafting tool 62 naturally drops with growth of a grafted nursery plant 41, the grafting tool 62 naturally dies out in course of time by biodegradation, recovery of the grafting tool or the like, are eliminated and efficiency of operation is improved. SOLUTION: This apparatus is obtained by using a biodegradable material for the grafting tool 62 for joining and fixing a seedling 2 for a scion and a seedling 3 for a stock and forming the grafting tool 62 into an approximately cylindrical shape having a slit 75. COPYRIGHT: (C)2005,JPO&NCIPI