Agricultural Uses : Fungicide: Propamocarb hydrochloride is used for the plant disease called damping-off and has fungicidal activity against Pythium spp. and Phytophthora spp. It is used on non-food sites such as ornamental lawns and turf, sod farms, plants, vines and woody plants. Registered for use in EU countries. Registered for use in the U.S.