Damping-off, Cottony blight on turf, Cottony leak of cucurbits.
Pythium is the most important damping-off fungus.
It also causes seed rots, root and crown rots, and soft rots. It has an extremely wide host range. Pythium is a water-mold and is favored by saturated soil conditions and high soluble salts. Black lesions may be present on affected stems. Rots are watery and slimy in nature.