PROBLEM TO BE SOLVED: To provide a hydroponic device reducing the decay of a plant.SOLUTION: A hydroponic device comprises a cultivation tank 10 in which a nutritious liquid F is supplied, and a holding part 20 which is arranged inside the cultivation tank 10. The holding part 20 comprises a salient 21 which holds a nutritional body P of a plant vegetatively propagated on a surface of the salient, and a recess 22 which becomes a flow channel of the nutritious liquid F supplied to the cultivation tank 10, and immerses a root Q extending from the nutritional body P in the nutritious liquid F.COPYRIGHT: (C)2015,JPO&INPIT【課題】植物の腐敗を低減する水耕栽培装置を提供する。【解決手段】水耕栽培装置は、養液Fが供給される栽培槽10と、栽培槽10の内部に配置される保持部20とを備える、保持部20は、栄養繁殖する植物の栄養体Pを表面において保持する凸部21と、栽培槽10に供給された養液Fの流路となり、栄養体Pから延びる根Qを養液Fに浸漬させる凹部22とを有する。【選択図】図1
