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| This is the first step of wrapping the graft with plastic strip.  Knot tied. | 
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| The strip is flattened, wrapped tightly up, then down, and tied again. | 
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| Finally, the scion is wrapped to avoid dehydration.  I used parafilm this time. | 
Today I grafted new scions onto a number of pre-existing apple trees.  I'm comfortable with whip and tongue grafting, so that's what I do.  These trees are young but starting to have some size.  They are dwarf or semidwarf size trees.    For one, a large, mature  branch of Pristine broke due to graft failure, so I'm not grafting Pristine back onto that tree.  There is a small "water sprout" branch near that location, so I grafted a new variety to that branch as a replacement ("Bob's red flesh, a small apple with red flesh throughout).
I thought I would show my current method.  It's much easier than the older methods that involved grafting wax and string, or sticky tape.  I use strips, about 3/4 inch wide, cut from gallon-size "Ziplock" plastic freezer bags.  After experimenting with stretching, I can get a good firm tight binding, without breaking the strips.
The cutting and fitting of the scion and understock is as usual.  I didn't do as fine a job as last year, but apple is fairly forgiving, so I think they should take.  Once the whip and tongue graft scion and understock are fitted together, I tie a strip of plastic strip below the graft, with one end being short and the other long.
Then I flatten the strip, and wrap up, then down the graft.  I pull the plastic strip as firm as I can, without stretching to the yield point where it loses it's stretch and tears.
Then I tie the end of the strip back to the original knot.
I wrap the scion with either a thinner plastic strip, or this time, parafilm.  The goal there is to prevent dehydration but allow the buds to grow
This method gave 100% take last year.  I'm hoping for a good result this year too.
I grafted -
That "
Bill's Red Flesh".
A local crab apple variety from an HOS member, "
Hi Jack".
Pristine.
I also bought some Bud-9 rootstock at the HOS show, and grafted 
Northpole apple onto that rootstock.  I want to see if I can better limit the height, and make a much more compact columnar apple tree than I have with the original 
Northpole. 
And quince varieties, to the quince tree that I'm reworking, adding 
Limon and 
Crimea Quince cultivars.
Also, onto a plum branch, I added one branch from an ornamental, fastigiate red plum (Scarlet Sentry?) from elsewhere in the yard, for pollination purposes.  That goes both ways - I'm curious to see if those plums are larger or better set, when pollinated by more proximal plum varieties.