Grafting large Callery and Betulifolia pear rootstocks

Will be grafting more Harrows soon and will have about 10 Harrows total when done. I’m getting rid of some of the ones that do not ripen easy or require the fridge. I’m somewhere around 50 pear trees now. Many are part of my collections (red pears, comice variants, and unique pears).

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I’m getting a few more taken care of today. It is a little on the cold side at 46 degrees F, but we are expecting a warm-up to 50s very soon.









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Working my way down the rows. Some of these i grafted last year.





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A ~1.5inch caliper callery, probably 3 year old seedling. Used a reciprocating saw to chop down to 20inches and attempted my first bench graft with two Nijisseiki scions.

Before


After

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@sockworth

Looking good, that is a nice wild seedling callery rootstock.

Thanks, the seedling callery grew fast. It’s the same one from this post

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Grafting over more large BET rootstocks. These are a couple of the ones i worked on.










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How is everyone doing on your pear grafting?

@clarkinks a friend here sent me lots of pear scions. I grafted to 6 callery here on my place and all are looking successful so far…most have shoots pushing leaves now.

I had scion left over and went to my neighbors and grafted over two callery there and to my sisters and grafted over two pear trees there.

I also did one graft on my new au rosa plum … added a graft of au producer and it is looking great… got some larger leaves on now.

Last week worked on my lapins cherry adding 4 grafts of Montmorency… all looking good at this point.

This week have been grafting apples… have added 3 grafts of pristine 3 of black limbertwig and 3 of ark black.

I have apple scions left over and going to my sisters house this weekend to add some pristine to her 3 yr old trees.

I have lots of persimmon scion … americans and hybrids… but still waiting on them to come out. Some have buds swelling at this point… wont be too much longer with the warm weather we have been getting.

Good Luck to all.

Below are my two callery transplants that i grafted keiffer and imp kieffer to.


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My early grafts to callery seem to be about 80% so far. But could end up 100% for first time ever, as they’re not 30 days old yet. (And 3 grafts from 2022 have leafed out just recently after a 12 month delay!).

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I’d like to add that generally I cut a larger callery and graft one year later to the best sprouts instead of immediately performing bark or cleft grafts on a large diameter stump. But, I’ve done both options.

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@clarkinks, it’s about 3.5 weeks now since my graft. I think I put too much parafilm over the top of the top of the scion, so I cut an opening so the bud can breath. I’m concerned as it is starting to get hotter.

I’m unsure if the graft took since I don’t have much experience grafting.
One scion smells okay. Other scion smells bit of sugar+yeast.

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@sockworth

The best thing to do with grafting is take some photos and let me know the process you used, variety etc. In this case pears are pretty forgiving. Some grafts take faster than others. Have some i did 4 weeks ago that have not sprouted and ones like this i did 2 weeks ago that want to explode. Thats a single coating of parafilm. See the bottom bud on the left side is green and just beneath the parafilm. If you see that it is fine. There is no gurantee these grafts will take just because they leaf out or that they failed because they didn’t. The smell you describe is likely callusing forming. Grasshoppers will quickly consume fresh callus wood. For this reason i dont pull grafting tape when grasshoppers are extremely active. My asumption which may be wrong is that callus wood may be higher in sugar content. Maple syrup is made from maple sap. Callus wood is formed when the sap is flowing. Many trees in the woods when the sap is cooked down can make glue or syrup. A black walnut can be tapped for syrup just like a maple. Many trees sap can be used to make sweets in a pinch. Grasshoppers are likely attracted to calories. A rabbit chews apple bark for a reason and that is calories. Woundwood is not callus wood. Trees use different cells in different situations. I’m not sure the specifics of the carbohydrate contents in the different types of cells Diagnostics: Assessing Callus And Woundwood In Plant Health Care

As you read through the article note these sections below for starters
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Thanks I will give it a thorough read.

This is same Asian Pear (Shineseiki) I posted earlier. I see some green forming between scion and the rootstock. Looks like it could be a callus.

I think you’re right about the smell, it did smell like lumber.

I know what you mean about leafing out. I’ve stuck pruned off branches into the ground and they can sometimes leaf out even without roots. So just leafing out doesn’t guarantee anything, but if it then grew few inches, I would be encouraged.

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Can t budding be done any time of year with bark slip on callery and Bet?

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@JerrytheDragon

Wait a little while until it gets warmer Technically there is no end to grafting season . T-budding tutorial - #39 by clarkinks

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Thank you, clark, sage of pears. I will wait…

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@fruitnut tutorial on tbudding is excellent. Highly recommend you read that thread. T-budding tutorial

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Update on my Shinseiki graft from 3/26. Looks like leaves are finally wanting to unfurl.

Also, I don’t think I was even using parafilm. It just seems more like Glad Cling Wrap but in a tape form. Still worked I guess.

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I’ve gone back to my original apple/pear grafting method of 40 years ago: no parafilm or anything else on scion except a dab of something to seal the tip. No reduction in success.

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