Forestry Commission - News - horse chestnut survey launched http://www.forestry.gov.uk/pdf/bleed...dingcanker.pdf Forest Research - Bleeding Canker of Horse Chestnut - Advice on disease management
From what I have read sounds like you're flogging a dead horse.
Although improving health and vigour will delay it appears no remedy in sight and the problem in UK is on the rise etc.
Just the way nature goes sometimes Tim, the more information you have and research the more likely your customer is to know the outcome. Seems to have stumped the experts too.
In this post you can see another of our usually tough cadaghi's dropped dead.
Ekka's pics
Fungal cankers, the eternal enemy of trees.