PROBLEM TO BE SOLVED: To provide an apparatus for transplanting a plant stock with simple configuration in which a root of a plant stock can be securely sucked into a hole part and securely brought into a state of extending downward of the hole part without accumulation at the hole part, thereby enabling monitoring and hand work to be unnecessary and the production efficiency to be improved.SOLUTION: The apparatus for transplanting a plant stock comprises suction means 110 for sucking a root 103 of a plant stock 101 and passing the root 103 through a hole part 121, the suction means 110 includes a suction cylinder 111 capable of closely contacting with a part lower than the hole part 121 and suction piping 112 which makes pressure inside the suction cylinder 111 negative, and water supply means 130 for supplying water toward the root 103 of the plant stock 101 are provided near the hole part 121.COPYRIGHT: (C)2014,JPO&INPIT【課題】簡単な構成で、植物株の根を確実に孔部に吸引するとともに、孔部に滞留することなく確実に孔部の下方に伸びた状態とすることができ、監視や手作業の必要がなく生産効率の向上が可能な植物株移植装置を提供すること。【解決手段】植物株101の根103を吸引して孔部121を通過させる吸引手段110を備え、吸引手段110が孔部121の下方に密着可能な吸引筒111と、吸引筒111内を陰圧にする吸引配管112を有し、孔部121の近傍には植物株101の根103に向かって水を供給する水供給手段130が設けられていること。【選択図】図2