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Michelia alba air layering
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Posted by
theoneelectronic CA, Zone 9 (
My Page) on
Tue, Dec 14, 10 at 18:20
| Several month ago, during summer, I started trying to propagate my Michelia alba by air layering. I've tried it on three separate branches and so far I have yet to see roots. All three branches are alive and healthy and all of them have big calluses at the cut end, which I assume is a good sign.
My questions are: how long should I expect to wait to see roots? Is it possible I might just see exponential callus growth and no root formation? Will periodic brushing with rooting hormone help? |
Follow-Up Postings:
RE: Michelia alba air layering
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| The calluses are a good sign. additional applications of rooting hormone will not normally help NOTE: I use a 0.3 to 0.8% IBA on this plant) My first concern is the peat around the air layer is kept moist. |
RE: Michelia alba air layering
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| I agree with george, it is very difficult to keep the peat moist for the months it takes for roots to start, but ABSOLUTELY necessary. If any sun is involved aluminum foil can be used to cover the layering. Al |
RE: Michelia alba air layering
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| I do alot of air layering and sometimes the callus just wants to increase in size without roots. I have trimmed the bottom of the callus and also made sure that all the cambium is gone on the open area, repowdered, rewrapped and got roots. Penny |
RE: Michelia alba air layering
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| I live in San Francisco, Ca. I have a 30 sfeet tall michelia alba tree planted in my backyard for almost 30 years. I have been trying a lot of way to airlayering the tree, but none of them were successful. But on June 2011, I tried to airlayerring the michelia alba again. Guess what, on July 2012 I discovered that my airlayered michelia alba was rooting. See the picture. I do hope that the rooted michelia alba will grow after I cut it off the mother tree and transplant to a 5 gals pot. Wish me luck. |
RE: Michelia alba air layering
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| Good job. You should be good to go, just don't let the new roots dry out in the process. Keep the pot in the shade to limit transpiration until feeder roots grow. If wilting is a problem you may need to raise the humidity. Al |
RE: Michelia alba air layering
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Good job. I tried to air layer my tree two months ago. Today I opened the wrapping to check how it was going. I found upper ring of bark was split and swelling. Is this a good sign ?
-Sam |
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