By Lady1bug
Suffolk,
United Kingdom 
There appears to be a oily black substance coming from our 30 year old english oak tree and dropping on the plants beneath. Any ideas if this is a disease/bug/virus. If so what can I do about it?There does not appear to be anything similar affecting other oak trees in the surrounding area. Thank you in anticipation!!
14 Jul, 2010
Answers
I think you should get in touch with DEFRA straight away.
http://www.guardian.co.uk/environment/2010/apr/28/new-disease-killing-oak-trees
14 Jul, 2010
I read this article too back in the spring and I think Herons right as you may need to get urgent help
14 Jul, 2010
Indeed!
14 Jul, 2010
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Is it possible to put on a photo please. Can you see if there is any damage to the tree such as a branch which is cracked.
14 Jul, 2010