Help with Half Sycamore, Half Acer?

[DanPriceUK]

I have a beautiful young Acer tree, but it appears to have a Sycamore growing on one side.

I believe this is the root stock, and the orange coloured acer is grafted on.

 

My question is, do i need to be worried about the sycamore side?

Ideally i'd love a tree which is half and half... but i'm worried that the sycamore might damage the tree and cause the acer side to die?

 

Is the only problem due to the sycamore growing faster and overshaddowing the other side? In which case, could i just keep pruning the sycamore side?

 

Or does the whole sycamore side need to come off to save the Acer tree?

 

Images:

 

Many thanks!

[openspaceman]

I think you've answered you own question, without pruning the more vigorous shoot from the rootstock will out compete the fancy coloured leaf scion

[daltontrees]

Sycamore is Acer...

I'd be waiting till midsummer to see just how much difference there is in leaf colour. Even the pink leaves of Brilliantisimum will end up green by late summer.

But generally pale leaved varieties will be outcompeted by fully green leaves so if you do have a full Sycamore stock throwing out a vigorous shoot it will eventually do in the rest of the crown.

I'd probably be lookign to bonsai the full sycamore side with frequent pruning, just so see how it coexists with the variety. Would make an interesting talking point. You could slow down the sycamore side too by removing a sector of cambium.