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Ash dieback


Stere
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Almost every single young ash round here has it (north east). If you go into the neighbouring F.C. woodland there are big patches of self seeded ash and you have a job to find any without it.

The mature ash trees seem to be ok but a few are showing signs of dieback, but can’t be sure it’s chalara related. Most mature ash in our hedges have looked have dead for as long as can recall but they’re still standing!

I am seeing considerable evidence of decay and rot in the ash im processing for firewood. That’s coming from along the a66 near Barnard castle. Luckily they’ve been harvested before they are useless.

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Probably 30% of our mature Ash here are affected,  only slightly at present,  one 5 foot diameter trunk has about 6 feet of top growth that has not come into leaf for 2 years,  it will have to come down I think.   We have very few immature Ash having planted larch/spruce in the 60s and Beech and Birch in the 80s.  

 

What is the procedure for the wood from diseased trees today ?,  can we sell it as firewood ?. 

 

Thanks

 

A

 

 

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1 hour ago, Alycidon said:

Probably 30% of our mature Ash here are affected,  only slightly at present,  one 5 foot diameter trunk has about 6 feet of top growth that has not come into leaf for 2 years,  it will have to come down I think.   We have very few immature Ash having planted larch/spruce in the 60s and Beech and Birch in the 80s.  

 

What is the procedure for the wood from diseased trees today ?,  can we sell it as firewood ?. 

 

Thanks

 

A

 

 

Looks like not,  but the info I found dates from 2012.   When I spoke to the  FC inspector a couple of weeks ago when he came to check some imported Ash he said the die back was now everywhere pretty well.  Maybe I need to speak to him as I bet we have 30 affected trees at least.

 

A

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On 09/09/2018 at 20:20, Gary Prentice said:

I seem to remember that reports from Scandinavia were that large infected trees were surviving for 5-10 years. I suspect that the spores are so endemic that any new growth that may sprout from leafless trees will just get re-infected the same year. 

Capture.JPG

A bit more information that I came across looking for something else. Don't ask me any questions as I haven't read it yet.

 

I'm currently working on a planting plan where I'd ideally like to plant a few ash. Research and opinion is divided on the susceptibility of F. ornus, americana and pennsylvanica F americana.  Has anyone any personal observations? Particularly in areas where it's really well established.

ppa.12048.pdf

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On 16/09/2018 at 22:41, Alycidon said:

Looks like not,  but the info I found dates from 2012.   When I spoke to the  FC inspector a couple of weeks ago when he came to check some imported Ash he said the die back was now everywhere pretty well.  Maybe I need to speak to him as I bet we have 30 affected trees at least.

 

A

My understanding is that there are no restrictions on the movement of infected ash, so you should be fine selling it for firewood still. I don't think there is a risk of spreading it from the timber as the fungus sporulates from the leaf litter.  

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On 09/09/2018 at 09:13, Stere said:

Whats happing to all the ash trees where you are.?

 

Locally alot of mature hegde  row trees are effected,a few are completely dead, loads are  half dead, a few still look healthy. Not seen any felled even the many 100% dead ones over roads.

 

They will start dropping large branches soon. Seems a shame all that firewood is going to waste, on the other hand a suppose all the standing dead wood is good habitat.

 

Countryside is going to look very barren with no trees left apart from the odd sycamore as i'd say ash was over 80% of the  hedge trees round here. Its still not the same after all the elms dissapered from the hegdes, when/if all ash goes won't be many trees at all left in large areas of farm land.

 

 

Maybe there needs to be some goverment scheme for restocking hegderow trees, though plantin in hegdes is abit tricky?

 

 

 

 

 

There are government grants available for restocking of infected woodland -  https://www.gov.uk/government/collections/countryside-stewardship-woodland-support#woodland-tree-health- 

 

The Woodland Trust do a subsidised tree pack for restocking hedgerow trees, which includes 45 trees, stakes and guards - https://shop.woodlandtrust.org.uk/targeting-tree-disease-pack 

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There has been confirmation of new host species testing positive for Hymenoscyphus fraxineus (Chalara). Mock Privet, Narrow Leaved Mock Privet and White Fringetree, all Mediterranean and North American(Oleaceae). Found at Westonbirt Arboretum.
These species are ornamental shrubs so won’t really effect the landscape unless it continues and infects more in the Oleaceae family.

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