Leaf decay, which is myrothecium roridum's severe disease during the growing phase, affects bael. The purpose of the studies was to determine whether fungicides would be effective in vitro against myrothecium roridum, which causes bael-spotted leaves. In this study, it was found that Trifloxystrobin (24%) 75 WP @ 0.06%, Tebuconazole (51%) + Carbendazim (13%) + Mancozeb (64%) @ 0.3%, Propiconazole (26%) EC @ 0.1%, Tebuconazole (27%) EC @ 0.2%, and Carbendazim 51% WP @ 0.1% all stopped mycelial growth completely. Mancozeb (75%) WP @ 0.2% (46.66mm and 48.26%), and Hexaconazole (5%) EC @ 0.1% (39.66mm and 55.93%) Azoxystrobin (18.2%) + Difenconazole (11.4%) SC @ 0.2% (51.33mm and 44.07%) were the most and least mycelial development (mm) after 24 days after inoculation. The control group had the highest rate of mycelial development (90.00).