What type of grafts to use?

Rally1148

5 year old buck +
Hey all,

I have a few questions on selecting which graft to use, and then the general procedures (although I will be doing a thorough google search). I have 3 situations.

1. Our "orchard" (a few trees across the street from our cottage) had a pretty bad fireblight infection. A few trees I had to completely cut the top off of, except for a few suckers. I am thinking about using either a cleft graft OR a bark graft. The trouble is, these trees are about 20 years old, and have a pretty big diameter. Here, I'd me mainly looking at something like liberty, for an earlier apple. Can I do a graft on a tree this large? as far as I know, the blight didn't get into the trunk.

2. I planted a few big box apple trees of various types (Mac, northern spy, golden delicious, cortland... maybe another one). I am wondering if I will be able to switch these into another variety, preferably ones that are disease resistant. I think they are a few years old, as they are about an inch in diameter. I have fairly limited space, so although I'd love to just plant another 10 trees, I can't unless I get rid of some of these. For these, I am somewhat lost as to what kind of graft to use. I am also curious (as I am for the trees in the previous area) as to where on the trunk I would have to graft in order to get onto the rootstock, and not just the scion.

3. I found a few apple trees that I am saying are wild, although they may have been planted by the previous land owner (he was 8_ when he sold it to us 10 years ago). I started to lightly release them 2 years ago, and went at it a lot heavier last year. I am wondering if it is possible to "top work" these trees with getting another limb (or 5) going in some varying drop time and late hanging disease resistant varieties. Although these trees have some apples that hang late, I think it'd be pretty cool to get another few branches that have multiple varieties.


Other than those specific instances, my overall questions:
If I'm able to graft, when should I plan on doing that? Should I worry about getting scions this year, or should I wait another year?
Am I able to "topwork" without getting another full sized tree growing out of my existing tree (i.e. how do I make sure to graft low enough to get onto the rootstock?)?
 
This kind of grafting is really easy if you want to convert over an entire older mature tree

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I did a whole ton of them, they all grew like crazy and I will thin them out this year or next.

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I'll let the experts answer the grafting questions.

Some of those wild trees can re real gems for deer purposes. They fit he climate and are probably resistant to the disease problems in your area.

don't spread fireblight to your wild trees with your pruning equipment.
 
Bark and cleft grafts will be your best bets seeing as how you are new to the grafting game. You can use a bark graft on anything that you have mentioned above. Cleft grafts are more difficult on very large diameter wood, say over 4".

The rootstock will control the size of your "scion" no matter where you graft onto the existing tree.
 
Thanks! Well, I'll be doing some bark grafts this year!

As for my pruning equipment, I used a hand saw (and no, not a nice silky!) that I never use for pruning usually. I still sprayed with a bleach solution after every cut. I plan on cleaning everything that I use (pruners to the chainsaw) before I make any more cuts.

A few follow up questions:
1. As for the time of year to do this... is early April ok? That's the earliest I'll be able to get out there. If not I can wait for another year.

2. I've never tried any of this, but I've also read that this is one of the better (easier) grafts to start with, or just in general that it's easier. Would you consider me crazy to hack off the tops of my newly planted trees in order to get better varieties? I guess crazy is a term that varies with perspective, so I guess, would you think it foolish to try this?

3. I'm not sure about the rootstock of these current trees, so, most likely, what varieties could I use? The tags from the store said they were going to be 15ish feet. I basically just made sure that they weren't full dwarf. Would I be ok with the general DR varieties (Liberty, Goldrush, Freedom, Enterprise, Querina?)? Any varieties I should steer clear of with regards to incompatability?

4. Am I correct in my understanding that if I were to graft onto a limb, the "new limb" would end up growing to the potential max that the old limb would have grown too?


I appreciate all the help, and I'm really excited to try this out!
 
1. You dont want to bark graft early. You wait for the tree to start breaking dormancy, thus the bark will slip making it easier to seperate your flaps to put your scions behind. So mid April or later will probably be ideal depending on your location.

2. No it is a practice that is routinely done.

3. Really not clear on what you are asking. There should not be incompatibility issues with what you are planning to do.

4. In general yes, depends on vigor of the variety you are grafting. Different varieties have different growing vigor and habits.
 
3. Really not clear on what you are asking. There should not be incompatibility issues with what you are planning to do.

I'm not sure what exactly it means either. All of the online sources said to make sure that there were no "incompatibilities". I will assume that this is aimed for orchard specialists, and not a wildlife tree planter.
 
Well, it looks like I need to head over to the scion thread!
 
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