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About: Elm yellows     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:State100024720, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: yago:Abstraction100002137yago:Attribute100024264yago:Condition113920835yago:Disease114070360yago:IllHealth114052046yago:Illness114061805yago:PathologicalState114051917yago:PhysicalCondition114034177yago:PlantDisease114276936diseaseyago:State100024720 New Facet based on Instances of this Class

Elm yellows is a plant disease of elm trees that is spread by leafhoppers or by root grafts. 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. Similar phytoplasmas, also known confusingly as 'Elm yellows', also occur in Europe. Infection and death of the phloem effectively girdles the tree and stops the flow of water and nutrients. The disease affects both wild-growing and cultivated trees.