PROBLEM TO BE SOLVED: To provide a seed-disinfecting apparatus which can efficiently disinfect seeds with hot water.SOLUTION: This seed-disinfecting apparatus is characterized by disposing a hot water disinfection tank (1) long in the longitudinal direction, and a conveying means (3) for intermittently circulating and conveying a plurality of seed-received porous receiving containers (2), while immersing the containers (2) in the hot water of the hot water disinfection tank (1), and preferably disposing hot water-jetting pipes (6) in a prescribed distance to jet the hot water from the hot water-jetting pipes (6) toward the seeds in the receiving containers (2) intermittently conveyed and stopped with the conveying means (3).COPYRIGHT: (C)2009,JPO&INPIT【課題】種子の温湯消毒を能率的に行なう。【解決手段】前後方向に長い温湯消毒槽(1)を設け、種子を収容した多孔状の複数の収容容器(2)を温湯消毒槽(1)の温湯に浸漬しながら、間欠循環移送する移送手段(3)を設ける。温湯消毒槽(1)の底部には、所定間隔毎に温水噴出管(6)を設け、移送手段(3)により間欠移送中の停止している収容容器(2)の種子に向けて、温水噴出管(6)から温湯を噴出するように構成する。【選択図】図3