noun Plant Pathology.
Origin of damping-off
Examples from the Web for damping-off
Damping-off is less liable to occur in such material than in denser soils.
Another source of loss was in the damping-off of young plants.Ginseng and Other Medicinal Plants|A. R. (Arthur Robert) Harding
Damping-off is a common ailment of young seedlings and cuttings.
In this way much can be done to protect the plants from injury from such diseases as the damping-off fungus and mildew.The Vegetable Garden|Anonymous