Interesting. I wonder if this disease will also effect young trees? I have noticed in recent years lots of woodland and urban areas where natural regeneration of Common Ash is occuring and in some areas prolific.
Ash regeneration seems more prolific than Sycamore in managed woodlands locally. Sycamore is badly affected by Grey Squirrels bark stripping, thus preventing flowering and seeding. Many mature Sycamore are not happy and seem to be loosing vigour--something (climate?) is affecting them.Young Ash appear to be more susceptible to getting this Chalara fungus, so we could see many of these dying when the disease arrives.
There aren't many large Common Ash at Hardcastle Crags, but on Saturday 4th we came across a massive one at the top of the side clough that comes down from the Walshaw Lodge. Is that Pisser Clough, does anyone know?
Steve - The 'Pisser Clough' I know is SD945334 just 1 km or so NW of Walshaw Dean plantation but I guess there are many more !!!?I think where you are could be Rowshaw Clough ? where it comes down from Horrodiddle ?
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