Rot in trunk scar?

Matte91

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I made a trunk chop of a field elm. Now the scar has developed a black spot. The scar has been sealed.
Is it normal or is it rot? If it's rot should I do something then?

Thank you in advance.
 

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Anthony

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[1] Ask if the cut should have been slanted.

[2] Ask if it needs ground growing for maximum healing.

[3] How long branch extension, and if side or top of tree
branch should be used.

Good Day
Anthony
 

Saddler

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[1] Ask if the cut should have been slanted.

[2] Ask if it needs ground growing for maximum healing.

[3] How long branch extension, and if side or top of tree
branch should be used.

Good Day
Anthony
And that boys and girls is how not to be helpful. Annoying even.
 

Saddler

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I made a trunk chop of a field elm. Now the scar has developed a black spot. The scar has been sealed.
Is it normal or is it rot? If it's rot should I do something then?

Thank you in advance.
I would look at and learn about the different parts of a tree trunk first and then find pictures of what you are looking for. I don’t know the answer to your question other then I don’t think there is anything bad, but I don’t know for sure. I would guess it’s the heart wood changing colour from the cut. I find it’s best to learn the details of what you are asking and often the answer presents itself.
 

MrWunderful

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Some of the heartwood might have died, it should be fine. If it gets a lot worse, you might have to carve it out and treat the wood with sulphur, or some use cyanoacrylates (super glue) theres all kinds of different things.
You can then fill the void with an epoxy, so the callus has something to roll onto.
Since its an elm it will heal up quick.

some bonsai folks like to leave it hollowed out and rotted looking. Look up Harry Harrington, or some guys around here like Bobby Lane.
 

Jzack605

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Looks like decay that was compartmentalized from an old wound. Look up CODIT in trees.

it’s normal tree function stuff and how they prevent rot from spreading.
 

Matte91

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Thank you for your replies.

I was just concerned because there wasn't any black mark, when I made the chop. The days after i made the chop we then had lots of rain. So i thought the scar had startet to rot because of the rain. But I don't know if that's possible at all.

I will wait and see if it gets worse.
 

TomB

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It *will* rot over time but it's not really anything to be worried about. As time goes on you will either get callusing over the cut, or you will make further changes/carve it out as the tree develops. I have an elm I trunk chopped 15 years ago, and the heartwood has still not rotted away after all this time (with no protection).
 

Matte91

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Thank you for your replies. Now i'm more calm.
 

sorce

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[1] Ask if the cut should have been slanted.

[2] Ask if it needs ground growing for maximum healing.

[3] How long branch extension, and if side or top of tree
branch should be used.

Good Day
Anthony

And that boys and girls is how not to be helpful. Annoying even.

Just misunderstood, as you clearly know what Anthony was getting at.....

find it’s best to learn the details of what you are asking and often the answer presents itself.

Better day.

Sorce
 

Anthony

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@Saddler ,

the idea is to get the person to think.

How to heal a wound and if need be trunk thicken.
The guys in the UK , Germany can easily give good
advice.

@sorce ,

apologies for making you waste your time.
Good Day
Anthony
 

sorce

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@Saddler ,

the idea is to get the person to think.

How to heal a wound and if need be trunk thicken.
The guys in the UK , Germany can easily give good
advice.

@sorce ,

apologies for making you waste your time.
Good Day
Anthony

I'm better for thinking about it!
And rethinking about it!
Then finding Saddler thought about it without thinking about it too!

Now who's wasting who's time!?

I love this place.

Sorce
 

Igor. T. Ljubek

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Is it normal or is it rot? If it's rot should I do something then?
It's normal for field elms. Whenever i trunk chop a field elm i get this dark brown heartwood, usually on my elms a brawn/black spot is much bigger. Your elm looks very young, with older elms you can expect bigger black/brown spots on a trunk chopped scar.
 
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Matte91

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I dug up two elm trees. The two elms have the same trunk size. But only one of the elms has the brown spot. I tried to touch the spot and it felt sticky. I now post a picture of one of the elms, then you can see the size of them. Still normal when only one of the trees has the brown sticky spot?
 

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rockm

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Quit worrying. It's fine. Sticky brown spot is most likely sap from the cut. The rot isn't going to make any difference, since you're going to chop the top out of this down the road anyway. Additionally, elms are extremely strong growers. Even if the rot advances (which will take a while, like years) the tree will callus over the wound and self seal the wound.

This cedar elm has been chopped repeatedly over the years (and is due for a drastic pruning again). It hasn't had any problems with rot (even though it cropped up a few times at chop sites) in the 25 years I've had it.
ce1.jpg
 

Saddler

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@Saddler ,

the idea is to get the person to think.

How to heal a wound and if need be trunk thicken.
The guys in the UK , Germany can easily give good
advice.

@sorce ,

apologies for making you waste your time.
Good Day
Anthony
No, It wasn’t. It was just you using up bandwidth again. You don’t know any of his details and just assume he should be “thinking” about about issues he may not have control over. It’s just a waste of everyone’s time to suggest solutions that might not exist and don’t answer the question posed.
 
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