Virtual Herbarium
of Forest Diseases
Ophiostoma ulmi / novo-ulmi
| First symptoms are wilting branches in early summer. | |
| The tree was dead by the end of the summer. | |
| Detail of the first dead branches. | |
|
Curled leaves showing wilting symptoms. | |
|
Scolytid beetle galleries under the bark. | |
| Vascular vessels stained because of the presence of fungus. |
This web page (http://labpatfor.udl.es/herbariovirtual/ophiostoma2.html) has been created by:
Carlos Colinas
Vegetal
Production and Forest Science Department
University of Lleida
Last update: November 14th, 2004.