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Thread: Have My Grafts Failed?

  1. #1
    hydroxy is offline Germinator
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    Default Have My Grafts Failed?

    About two months ago I grafted a good few apple tree scions onto Supporter 4 rootstocks (semi dwarfing), they grew a bit but only really until the got small buds and then haven't done anything in weeks. I took a few of the grafts apart to see if they have failed. I've included images below:







    If they have failed what is the best course of action to salvage the rootstocks and maybe the scions?
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  2. #2
    flynch is offline Sprouter
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    I've been grafting for a few years now and it's far too early in the year to tell yet. Sometimes they can be slow as they heal into each other. Just leave them alone for now,either they've taken or they haven't. If they haven't in the next few months the scion will dry out. The root stock should be fine as long as its watered properly. Just prune out the dead scions in a few months and the root stock will grow away.

    Your pictures won't display on my tablet so can't give any better advice than to wait.
    Last edited by flynch; 07-04-2017 at 10:53 PM.
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  3. #3
    flynch is offline Sprouter
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    Hard wood cuttings, i.e. scion, for apples don't root well (I've tried) apparently green stems do but I haven't tried this. If they have failed I doubt you can save the scion. If it concerns you let me know what varieties you grafted and if I have it I'll send you scions next year.
    Last edited by flynch; 07-04-2017 at 10:51 PM.

  4. #4
    hydroxy is offline Germinator
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    Ah ok, well I took apart maybe about 6 of the 27 I had planted. However I have since repaired the grafts by cutting away about two inches on either side of the graft and reattaching them again with some new grafting shears and grafting sealant I got.

    It does seem like they've done virtually nothing since I attached them at the end of February. Is this to be expected?

    I have another question also, how much scion should be above the graft, some trees I've got just maybe about 4 inches or so but with others I have maybe a 12 inches approx. Would you recommend pruning those to shorter lengths?

  5. #5
    flynch is offline Sprouter
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    I've done 30 grafts this year and some buds are only just beginning to swell. This is quite normal.

    I'll send you some pictures of mine tomorrow.

    The longer the wood the greater the risk it can be knocked or dry out before it heals in. 12 inches I'd say is too long you could have done 2 grafts with that. I'd prune them down to 4 or 5 inches. Be careful not to knock it whilst doing that.

    Don't worry I had the same panic the first time I grafted
    Last edited by flynch; 07-04-2017 at 11:10 PM.
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  6. #6
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    Quote Originally Posted by hydroxy View Post

    It does seem like they've done virtually nothing since I attached them at the end of February. Is this to be expected?
    I wait until at least June to write off a graft as 'failed'. Some unions take a while to get going, especially if there is not a good match up between the cambiums of the rootstock and scion. You really need patience in this game. And as flynch says, you can salvage the rootstock from a failed graft without any bother
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  7. #7
    Norfolkgrey's Avatar
    Norfolkgrey is online now Early Fruiter
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    Another vote for patience. Mine live their first year in a shady sheltered corner. I check one they don't dry out (not very often), two check for shoots off the rootstock and remove if needs be (but I am not familiar with Supporter 4). I don't worry about failures until summer.

    Fingers crossed for you

    Also I can't see your pics.
    Fruity and Nutty

  8. #8
    hydroxy is offline Germinator
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    Ok, thanks for all the advice guys.

    Quote Originally Posted by Norfolkgrey View Post
    Another vote for patience. Mine live their first year in a shady sheltered corner. I check one they don't dry out (not very often), two check for shoots off the rootstock and remove if needs be (but I am not familiar with Supporter 4). I don't worry about failures until summer.

    Fingers crossed for you

    Also I can't see your pics.
    Maybe a browser issue, perhaps its because the image is too wide for the forum.

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