Damping-off
meaning that it can usually only affect plants that are in a sub-optimal condition or suffer from stress, caused for example by too much water, too high or [...] survives as oospores, resting spores which are resistant to unfavourable conditions, especially dehydration. Germination of the oospores is stimulated by [...] disperse via water. Therefore, this disease spreads most rapidly in wet conditions with a high water content ( > 70%) of the soil or substrate. Oospores