Dutch elm disease

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Related to Ophiostoma ulmi: Cryphonectria parasitica

Dutch elm disease:

see diseases of plantsdiseases of plants.
Most plant diseases are caused by fungi, bacteria, and viruses. Although the term disease is usually used only for the destruction of live plants, the action of dry rot and the rotting of harvested crops in storage or transport is similar to the rots
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; elmelm,
common name for the Ulmaceae, a family of trees and shrubs chiefly of the Northern Hemisphere. Elm trees (genus Ulmus) have a limited use as hardwoods for timber, especially the rock or cork elm (U. thomasi).
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Dutch elm disease

[¦dəch ′elm di‚zēz]
(plant pathology)
A lethal fungus disease of elm trees caused by Graphium ulmi, which releases a toxic substance that destroys vascular tissue; transmitted by a bark beetle.