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Help please.. holm oak problems


 
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Help please.. holm oak problems
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tomoshea
Rank attained: Hazel Tree
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Joined: 24 Jun 2014
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Location: wicklow

PostPosted: Sun Feb 23, 2020 9:33 am    Post subject: Help please.. holm oak problems Reply with quote

Hi I posted previously about an issue with a holm oak that was shedding, it recovered over 2 years.

Now however I have a different issue, looks like I have 1 almost dead tree and possibly a second on the way out.

It looks like the tree may have a parasite( possibly),see the dark blistered and flaky bark in the crown area of the tree.

I cannot be sure if this is a parasite ... hence the post.

I have 14 of these in a row for screening, originally planted in circa 2104 as 2 metre standards 20-25 cm, imported from Italy.

Any advice or advice re who to speak to appreciated.

My head is telling me the cut this one out incase itís a spreadable parasite.

Help please...Thanks

Tom
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tomoshea
Rank attained: Hazel Tree
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Joined: 24 Jun 2014
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Location: wicklow

PostPosted: Sun Feb 23, 2020 10:05 am    Post subject: Reply with quote

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tomoshea
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Joined: 24 Jun 2014
Posts: 14
Location: wicklow

PostPosted: Sun Feb 23, 2020 10:06 am    Post subject: Reply with quote

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Greengage
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PostPosted: Tue Feb 25, 2020 7:37 am    Post subject: Reply with quote

very hard to say from photos, How big were they when planted, if they were bigger than 6//8 then it could be stress related to drought, remember we had a very hot summer a few years back and it takes time for the problems to show up. it could be a soil problem like honey fungus and fungi growing in vicinity during Autumn. is there a sour smell from the dark stain on the bark it could be a bacteria infection and as it breaks down it is being pushed out. Sometimes you could get a secondary infection causing slime on the bark. Hard to say, if it was mine I would give it another season well early summer and if it shows no sign of recovery I would remove it and monitor the rest.
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tomoshea
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PostPosted: Fri Feb 28, 2020 5:29 pm    Post subject: Reply with quote

Thanks for the reply... spoke to the guy I bought them from, he is going to reach out to someone inTeagsc, but has suggested possibility of localised poor drainage damaging the root system... will check the soil at the weekend..
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Greengage
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PostPosted: Fri Feb 28, 2020 6:51 pm    Post subject: Reply with quote

Sol is not the problem unless it has honey fungus, I do not think poor drainage would not cause that problem.
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tomoshea
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PostPosted: Sat Feb 29, 2020 12:24 pm    Post subject: Reply with quote

Greengage wrote:
Sol is not the problem unless it has honey fungus, I do not think poor drainage would not cause that problem.


I started pruning the trees this morning...

What is interesting is the root in this tree is not solid.

There is considerable flex when I push the trunk compared to the other trees, all of which are they same size..

I can see the ground around the root of this tree move... nothing moves with the other trees, all planted same week, same soil...

There were a few fungus in the bed area near this tree in recent years... I thought nothing of it..

Is there any treatment for honey fungus... or is it a tree death sentence?

Thanks
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tomoshea
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PostPosted: Sat Feb 29, 2020 12:29 pm    Post subject: Reply with quote

Donít know if this photo throws any light on the matter... centre of the crown this morning...very strange bark


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tomoshea
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PostPosted: Sat Feb 29, 2020 1:18 pm    Post subject: Reply with quote

couple if more photos... surface roots, about 1 foot from trunk.

Small bark section removed 1 foot from ground.



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Greengage
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PostPosted: Sun Mar 01, 2020 4:03 pm    Post subject: Reply with quote

How big were these trees when planted. If they are all loose in the ground that is not good as they would suffer from stress when anchor roots could not stabalise them.
It looks like canker but don't know off the top of my head if Oaks suffer from canker.
I suggest you look up sudden oak death syndrome as we have it in Ireland along with Ash die back and Bleeding canker of Chestnuts, long term things don't look great for some of our Native trees but don't give up nature always figures it out.
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