PROBLEM TO BE SOLVED: To provide a controlling agent for a soilborne disease that has excellent controlling effect against a soilborne disease caused by widespread pathogenic soil bacteria and soil pest insects and that does not cause phytotoxicity to a crop, by using a natural product-originated component that hardly causes environmental pollution.SOLUTION: There is provided the controlling agent for the soilborne disease, that contains shochu (distilled spirit) lees or a processed product thereof as an active ingredient.COPYRIGHT: (C)2012,JPO&INPIT【課題】環境汚染のない天然物由来成分を利用し、広範囲な土壌病害菌および土壌病害虫による土壌病害に対して優れた防除効果を有し、かつ、作物に対しては薬害を生じない土壌病害防除剤を提供すること。【解決手段】焼酎粕または焼酎粕加工物を有効成分として含む、土壌病害防除剤。【選択図】なし