Anyone in US grafting?

Discussion in 'Maples' started by kbguess, Mar 2, 2016.

  1. kbguess

    kbguess Active Member 10 Years

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    Location:
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    I have a delightful seed-grown Japanese maple that seems to have excellent cold hardiness It is probably 6 or 7 years old now. I had many seed sources and did not keep things separated so this might be palmatum or shirasawanum or japonicum.

    It survived a late transplant to Iowa City from southern IA (Mid November 2013). The 13/14 winter was bitterly cold with a low temperature of -19F. The tree had no die-back.

    It seems to be a vigorous upright 4 feet of growth last year. The leaves are lovely (remind me of Acer shirasawanum 'Sensu').

    I will add pictures to thread when the leaves emerge this spring.

    If anyone is interested in getting scion please let me know,

    Keith
     
  2. maplesandpaws

    maplesandpaws Active Member

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    Keith, do you have pictures of the tree and leaves? Others more knowledgeable on here might be able to help narrow down if it's palmatum, etc. As for grafting, many on here do (I'd like to, but haven't yet), hopefully they will chime in and offer their advice and experience.
     
  3. kbguess

    kbguess Active Member 10 Years

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    Unfortunately no representative pictures at this time. I will photograph & post whenever spring leaves arrive here in IA.
    I think I will have a better idea of species when it starts flowering.
     
  4. kbguess

    kbguess Active Member 10 Years

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    image.jpeg image.jpeg image.jpeg
    A few spring photos of this fine tree
     
  5. JT1

    JT1 Well-Known Member

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    The cold hardiness and lack of die back along with how those spring leaves hang, with narrow lobes, growth habit being mostly upright, color and texture of the maturing trunk; reminds me of palmatum x shirasawanum like Trompenburg. Key word "like" Trompenburg. Seems like a great find and a tree worth owning.
     
  6. kbguess

    kbguess Active Member 10 Years

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    One more from today. I am going to try a layer this year. If takes would be happy to send the layer to maple lover in zone 4 or 5 in US to see how it does in other locales

    image.jpeg
     
  7. kbguess

    kbguess Active Member 10 Years

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    Nice fall color this year. Unfortunately my layer did not take. Plenty of scion available if anyone interested.

    128046-041ddb96024fe91feaf8460d622425f9.jpg
     

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  8. AlainK

    AlainK Active Member Forums Moderator Maple Society

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    I've done a lot of air-layers and they take almost each time: what method did you use?
     
  9. kbguess

    kbguess Active Member 10 Years

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    Alain,

    I made a poor attempt with a touniquet method and inadequate securing of the moss/soild medium. I am certain this was user error...
    I will try again.
    Suggestions?
    Keith
     
  10. AlainK

    AlainK Active Member Forums Moderator Maple Society

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    Hi Keith,

    If by "a tourniquet method" you mean just securing a ring tightly around the bark, this is usually not enough for maples, you'd better try the "ring method", which has a very high rate of success:

    - Remove a ring of bark 1.5 times the width of the branch.
    - Scrape off the cambium (yellowish-green very thin layer under the bark)

    An example on an A. p. 'Phoenix' with a very thin trunk - but I've done it on branches as thick as my wrist on various A. palm. cultivars and on A. buregerianum:

    Originally, a summer cutting.

    November 2013:

    20131201123028-704362ff-me.jpg

    July 2014:
    Since I took a cutting to make a bonsai, the trunk was much too thin to achieve something interesting in the few years I've left, so I air-layered it:

    (of course the "feathers" were removed, they're here to show that you must carve a bit deeper, not only remove the bark)


    20140707143123-e104f6c3-me.jpg

    20140707143125-e8fb9b66-me.jpg

    20140707143131-88173a16-me.jpg

    20140707143132-971a3c75-me.jpg

    March 2015 (could have been severed in sept. 2014 if done earlier, May-15 June)

    20150324144715-ea56fe71-me.jpg

    20150324144717-ff9f63ab-me.jpg

    April 2015:

    20150412160552-c2048eab-me.jpg
     
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  11. AlainK

    AlainK Active Member Forums Moderator Maple Society

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    Another example with a tree that had suffered bark damage.

    1/ let the branches grow freely, the new roots will need the energy from the sun.

    20160619160638-5f7261d2-me.jpg

    I had tied a wire around the trunk to make it swell: not sure there are more cells that can develop into roots, but for bonsai, the wider the "nebari", the root flare, the more natural it will look.

    2/ Remove a ring of bark. Best period: mid-May-mid-June. Scrape out the cambium!
    I spray the cut (never let it dry!) and add hormone powder with a brush.

    20160619175315-903b84a5-me.jpg

    I add a little sphagnum moss:

    20160619175317-90a4983a-me.jpg

    ... complete with soil mix:

    20160619175320-47a47545-me.jpg

    And by september 17th, I can see new roots shooting out:

    20160917203041-5f1470b2-me.jpg

    since I don't have a greenhouse, I'll wait for next spring to severe the air-layer. I'll put the whole thing in a crate with leavesup to the rim of the pot so that the new roots don't freeze, and repot it in March or April, depending on the weather.




     
  12. kbguess

    kbguess Active Member 10 Years

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    Alain,

    Thanks for the wonderful examples. Yes, I just secured a ring around the bark. I will use your method next spring.

    Beautiful trees you have
    Keith
     
  13. kbguess

    kbguess Active Member 10 Years

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    layer.jpg

    Alain,

    Thanks again for advice. I successfully layered the tree and separated about a week ago. Layer doing great in shaded area
     
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  14. AlainK

    AlainK Active Member Forums Moderator Maple Society

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    Well done! ;°)
     
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  15. kbguess

    kbguess Active Member 10 Years

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    First seeds . What an unexpected, wonderful autumn surprise for me.

    I am presuming some shirasawanum in the genetics with the upright seeds.
    Seed fall maple.JPG
     
  16. AlainK

    AlainK Active Member Forums Moderator Maple Society

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    I got three seedlings from A. shir. 'Autumn Moon'.

    Too young to see if they're close to the mother tree, but they're thriving.
     
  17. AlainK

    AlainK Active Member Forums Moderator Maple Society

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    Repotted in the spring.

    Today (it was in the shade all summer, like most of the fragile ones):
     

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  18. kbguess

    kbguess Active Member 10 Years

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    Thanks for the update.
    I had 3 successful layers on the tree this year.
    Two I transplanted into a shaded area in my yard already and they are doing well. I have not always done well with over-winter care of my potted maples so I thought that having a couple in the ground would be a good idea.

    It was so easy and fun I plan to repeat next spring.

    Thanks again for your encouragement.

    Keith
     

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