Stem bleeding in a tree affected with Acute oak decline
Causal agents
Brenneria goodwinii and Gibsiella quercinecans
Hosts
Oaks
Distribution
United Kingdom
Acute oak decline (AOD) is a disease that infects oak trees originally described in the UK. It mainly affects mature oak trees of over 50 years old of both Britain's native oak species: the pedunculate oak (Quercus robur) and the sessile oak (Quercus petraea). The disease is characterised by the trees bleeding or oozing a dark fluid from small lesions or splits in their bark.[1] Unlike chronic oak decline, acute oak decline can lead to the death of trees within 4 to 5 years of symptoms appearing. The number of trees affected is thought to number in the low thousands, with a higher number of infected trees being found in the Midlands.
^"Symptoms of chronic oak decline". Forest Research. Retrieved 2009-09-26.
Acuteoakdecline (AOD) is a disease that infects oak trees originally described in the UK. It mainly affects mature oak trees of over 50 years old of...
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in AcuteOakDecline in the UK - Oak (Quercus cerris) Brenneria roseae subsp. americana - possibly involved in AcuteOakDecline in the USA - Oak (Quercus...
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