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Their survival is owing to the isolation of the area, between the English Channel and the South Downs, and the assiduous efforts of local authorities to identify and remove infected sections of trees immediately when they show symptoms of the disease. [22] Empowered by the Dutch Elm Disease (Local Authorities) (Amendment) Order 1988, [23] local ...
Dutch elm disease originated in Europe in the early 1900s. [4] Elm trees were once an ecologically valuable tree that dominated mixed broadleaf forests, floodplains, and low areas near rivers and streams. [5] They were planted in urban settings because of their aesthetic appeal and their ability to provide shade due to their V like shape. [6]
O. novo-ulmi infestation can spread rapidly, causing severe damage and death to susceptible elm trees. Effective management strategies, such as tree removal, pruning, and applications, may be used to control the spread of the disease in affected areas. [4] Early detection and prevention are key in managing Dutch elm disease caused by O. novo-ulmi.
Elm yellows is a plant disease of elm trees that is spread by leafhoppers or by root grafts. [1] Elm yellows, also known as elm phloem necrosis, is very aggressive, with no known cure. Elm yellows occurs in the eastern United States, and southern Ontario in Canada. It is caused by phytoplasmas which infect the phloem (inner bark) of the tree. [2]
Eight trees infected by Dutch elm disease are to be removed from the Kings Road area of Cleethorpes.
Dutch elm disease Ophiostoma ulmi = Ceratocystis ulmi. Pesotum ulmi [anamorph] = Graphium ulmi Ophiostoma novo-ulmi. Leaf blister Taphrina ulmi: Mistletoe (infection) Phoradendron serotinum = Phoradendron flavescens. Phoradendron tomentosum Viscum album. Nectria canker Nectria spp. Nectria cinnabarina Tubercularia vulgaris [anamorph] Nectria ...
Ulmus americana, generally known as the American elm or, less commonly, as the white elm or water elm, [a] is a species of elm native to eastern North America. The trees can live for several hundred years. It is a very hardy species that can withstand low winter temperatures, but it is affected by Dutch elm disease.
The virus is commonly known as Fifth Disease “because it was the fifth in a list of common childhood rash illnesses, which also included measles, scarlet fever, rubella and roseola,” says ...