Spraying of sporgon fungicide immediately after casing will help to cure this disease. By treating casing soil with Formalin also helps to prevent this disease. And by spraying of Formalin@0.8% is also helpful to prevent this disease.
By giving steam to casing soil at 65°C for 6-8 hours will help to cure this disease. At the time of mushroom production, cover the infected bags with plastic is helpful to prevent this disease. After extraction of infected mushroom table salt should be sprayed.