Place seed trays on clean, sterilized benches. Do not allow soiled hands and tools to come into contact with the sterile media. Reintroduction of the fungi can cause fast disease progression because other fungi which normally compete with these fungi are absent from sterile mixes. Remove any trays with damping-off immediately. A second way to help prevent this disease is to encourage the seeds to germinate and grow as fast as possible.
Plants are only susceptible to damping-off as seedlings.
Use adequate light and heat to germinate and grow seedlings quickly. Bottom heat may speed germination. Avoid planting seeds too deeply. These fungi like wet conditions. Use well-drained planting media.