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With a girth of 6.9 m (22.6 ft) and a height of 40 metres (130 ft), the Ulmus × hollandica hybrid elm on Great Saling Green, Great Saling, near Braintree, Essex, reckoned at least 350 years old, [25] was reputedly the largest elm in England, before succumbing to Dutch Elm Disease in the 1980s; [26] Elwes and Henry (1913) misidentified it as U ...
Dutch elm disease (DED) is a fungal disease that has ravaged the American elm, causing catastrophic die-offs in cities across the range. It has been estimated that only approximately 1 in 100,000 American elm trees is DED-tolerant, most known survivors simply having escaped exposure to the disease. [19]
Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Believed to be originally native to Asia , the disease was accidentally introduced into America , Europe , and New Zealand .
The ‘Dutch’ elm quickly became popular in eighteenth-century estate plantations in England, survivors today being naturalised relics of this planting fashion; but the tree was always rare in the Netherlands, where from the eighteenth century hollandse iep (Holland elm) meant the widely planted hybrid Ulmus × hollandica Belgica (Belgian Elm). [2]
The American Elm cultivar Ulmus americana 'Delaware' was originally selected (as tree number 218, a c.1940 seedling from North Dakota) from 35,000 seedlings inoculated with the Dutch elm disease fungus in USDA trials at Morristown, New Jersey. [1]
The tree succumbed to Dutch elm disease and was felled in 1968. A ring count established that it had begun life in the year 1701. [61] The "Great Elm Tree" at Phillips Academy in Andover, Massachusetts is believed to have been standing for at least 200 years. It is being well cared for and receives regular treatments for Dutch elm disease. [62]
Dutch elm may refer to: Ulmus × hollandica, natural hybrid between Wych Elm (Ulmus glabra) and Field Elm (Ulmus minor) Ulmus × hollandica 'Major', cultivar of Ulmus × hollandica, introduced to England from the Netherlands; Ulmus × hollandica 'Belgica', cultivar of Ulmus × hollandica, most common cultivar in the Netherlands
The tree has upright, spreading branches bearing dark-green leaves. [1] ' ... to Dutch elm disease, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola. [2]