Dutch elm disease
Dutch elm disease
Dutch elm disease
Dutch′ elm′ disease`
n.
| Noun | 1. | Dutch elm disease - disease of elms caused by a fungus |
| 单词 | dutch elm disease | |||
| 释义 | Dutch elm diseaseDutch elm diseaseDutch elm diseaseDutch′ elm′ disease`n.
Dutch elm diseaseDutch 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 ..... Click the link for more information. ; 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). ..... Click the link for more information. . Dutch elm disease[¦dəch ′elm di‚zēz]Dutch elm diseaseDutch elm diseasea disease of elm trees, caused by a fungus, Ceratostomella ulni, which blocks the XYLEM VESSELS, resulting in a lack of water to the aerial parts, leading to yellowing of the foliage, defoliation and eventual death. The fungus is carried by elm bark beetles such as Scolytus scolytus, which bore beneath the bark to lay eggs. The disease was probably introduced to Britain on timber imported from Canada, and reached epidemic proportions in the UK in the 1970s.Dutch elm disease
Words related to Dutch elm disease
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