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单词 Dutch elm disease
释义

Dutch elm disease

noun [mass noun]
A fungal disease of elm trees that is spread by elm bark beetles. A virulent strain of the fungus which arose in North America has destroyed the majority of elms in southern Britain.
  • The fungus is Ceratocystis ulmi, subdivision Ascomycotina.
Previous research has documented the effects of chestnut blight, Dutch elm disease, ash yellows, oak wilt, and beech bark disease on tree diameter distributions in eastern deciduous forests....
  • Another well known exotic is Dutch elm disease, a fungus that actually originated in Asia, came through Europe and on to North America where it has resulted in the death of many native elms in the US and Canada.
  • The beetle-borne Dutch elm disease destroyed one of the nation's great shade trees.
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更新时间:2025/2/23 22:12:04