grafting height and planting depth

I bench grafted 15 apple trees on EMLA-1111 and two pears on OF H87.  I did W&T grafts and the height varies from 3-4" to 12-14" above the roots, wherever the diameters matched.  I have read that EMLA111 grafts should be close to the ground, can I just plant the higher grafted trees deeper to achieve this, or will the 12-14" above ground be a problem?  
I currently have them planted in a "nursery" at the same depth that the rootstock was growing at,  with grafts anywhere from 3-14" above the soil, planning on moving this fall, will that be to late to plant deeper?
How about the pears, same questions, they both were grafted fairly high.

you could plant your new grafts up to 2" deeper, but why bother.  a graft 12" above the ground on M-111 will do just fine

i have both apples and pears (and a number of other things) with grafts i’ve done as high as 6 feet. no real problems to speak of.

a high graft, especially early on, before there’s enough growth up above to give the lower trunk some shade, might encourage more attempted lateral growth from the rootstock, but new grafts need a little upkeep anyway. i might have more reservations if it was a really dwarfing rootstock, but a semi-standard like m-111 that’s known to be pretty vigorous, i wouldn’t worry about at all.

Conversely, if you graft only 3" above the soil line, especially if you have a lot of mulch, the scion could take root and you would lose the whole point of grafting.  The size of your tree would not be limited, and your tree might take many more years to fruit. I agree with both posts above.
John S
PDX OR

In march of last year, I bench grafted 6 apple cultivars onto 15 rootstocks.  I had 100% success, which is good, but now I have several multiples that I don’t need.  I have promised several to friends but there are still a few extras.

This year I am going to graft more cultivars and am considering using some of the duplicates for rootstock.  The rootstock diameter is now around ¾” or more near the ground at this point.
Should I try to graft low enough to get to the original rootstock or can I graft higher where the diameter may be closer to the scion?  Having two grafts on the trunk?  I would like to have the first scaffolds low (24-36") to keep the tree at a manageable size.
Would that be considered an interstem?
I have only done W/T and bark grafts, what is the best/easiest graft when the rootstock is ¾-1” and the scion is ¼”?
Does the height of the graft matter?

For whip and tongue grafting, matching the diameter of the scion and rootstock is crucial.  It's ok to graft it a bit higher, and it would ensure that it is size-limiting.  

With different sizes, you could do a bark graft or a cleft graft.  Bark graft is done a bit later and requires more scions. If you don't have lots of scions, a cleft graft is better.

John S
PDX OR