Canadian Forest Service Publications
An abnormal strain of Ceratocystis ulmi incapable of producing external symptoms of Dutch elm disease. 1982. Richards, W.C.; Takai, S.; Lin, D.; Hiratsuka, Y.; Asina, S. European Journal of Forest Pathology 12: 193-202.
Available from: Northern Forestry Centre
Catalog ID: 11314
- Date modified: