PROBLEM TO BE SOLVED: To provide a nematode extermination device capable of reliably exterminating nematode in soil adhering to a farm crop container without causing an adverse effect by insecticides, etc.SOLUTION: A nematode extermination device includes: a storage unit for accommodating a farm crop container that can store farm crops a supply unit for supplying superheated steam to the storage unit a steam generation unit for generating steam which is a prerequisite for the superheated steam a hot blast generation unit for generating hot blast to be mixed with the steam that the steam generation unit generates and a mixing unit for mixing the steam and the hot blast. The supply unit supplies the superheated steam acquired by the mixing at the mixing unit to the storage unit.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2017,JPO&INPIT【課題】殺虫剤などの副作用を生じさせずに、農作物容器に付着する土壌中の線虫を確実に駆除できる線虫駆除装置を提供する。【解決手段】本発明の線虫駆除装置は、農作物を収容可能な農作物容器を収容する収容部と、前記収容部に過熱水蒸気を供給する供給部と、前記過熱水蒸気の前提となる上記を発生させる水蒸気発生部と、前記水蒸気発生部が発生させる水蒸気に混合させる熱風を発生させる熱風発生部と、前記水蒸気と前記熱風を混合する混合部とを、備え、前記供給部は、前記混合部で混合されて得られる前記過熱水蒸気を、前記収容部に供給する。【選択図】図2