Virtual Herbarium

of Forest Diseases

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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.

 

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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.