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multiple trunk tree question

 
pat vill
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I have a 3 year old silver maple and I have multiple Trunks growing out of the tree how can I correct this
1439472359268.jpg
[Thumbnail for 1439472359268.jpg]
 
Michael Cox
Posts: 1556
Location: Kent, UK - Zone 8
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Cut off two of them and leave the middle one. Simple job.

You want make sure that the cut surfaces that are left behind are clean. I would cut the stems off a foot above the ultimate height you want, incase the bark splits or pulls, then once the weight is gone you can do a clean cut across at the final position.
 
pat vill
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Thanks for your reply is it best to wait untill the fall or winter?
 
Michael Cox
Posts: 1556
Location: Kent, UK - Zone 8
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It it were my tree I would be doing it immediately.
 
Jay C. White Cloud
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Hi Pat,

Note...multiple leaders is common with this species of Acer...and they are also very susceptible to "V" leadering...which in turn leads to "inclusions" of all types from bark to branch. This in turn leads to "core/pith rot" (common and natural in Acer ssp) in the tree that could be avoided and/or "cankers."

In your photo, there is "3 leaders," it may seem logical to remove the two outer ones...Ah, but look closely...the middle and outer right one in the photo are not the "primary leaders," they are secondary leaders and already have the start of "bark inclusion."

It is actually the smaller, far left "leader" that is the "primary trunk leader," that has now been "stunted" by the more aggressive "sucker leaders" that have become larger. These two "suckers" are the ones to remove, and then stay on top of the tree with pruning...This species can be pruned year round with very little ill effects. I would also suggest never cutting the "limb collar" and if possible getting a..."20 mm #5 swoop spoon gouge" to create a slight concavity after the cut. (Remember...practice 3 cut prunings to avoid bark tearing...) This "scooping" is a common practice in advanced Arbor care, Pensai and Bonsai. Limbs treated the way encapsulate and "heal over" much, much faster. I also still "treat" my cuts with a bit of borate wash then flax oil...I will often mix black charcoal and flax oil to make the cut more aesthetically pleasing and it too seem to make the wound heal faster...

Regards,

j
 
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