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Will my oncidium ever re-root?

This is a discussion on Will my oncidium ever re-root? within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; I bought a species Oncidium lanceanum in April. The grower said it had just been ...

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  1. #1
    mde's Avatar
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    Default Will my oncidium ever re-root?

    I bought a species Oncidium lanceanum in April. The grower said it had just been repotted. It was in a clay pot. I don't think it had been repotted because all the roots had rotted on me about the time it came into bloom only two months later, and I don't think I watered it that much? It was the sudden loss of the newly opened blooms that made me check. So, I cut all the roots and the spike off, put it in a bag with damp sphagnum, and waited. It has been 3 months now and not even the slightest sign of a root, although the foliage still looks healthy. How long does it take to get rooting in the "sphag. and bag" process? I've never tried this until now.

    Yesterday, frustrated, I springled some rooting hormone powder on the rhizome where the old roots were and some into the sphagnum moss hoping this would stimulate some growth. I wish it would get roots soon so I can repot it and get it back into a growing cycle.

    Any thoughts/suggestions/advice is appreciated.

    Thanks in advance,

    Matt

  2. #2
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    Never had much success with sphag'n'bag .I,ve tried to root a few Onc back bulbs but not a change in months.
    Now i repot anything root challenged in bark/sphag mix(about 1/2 & 1/2) water once & then no more watering for as long as possible.Try to keep high humidity.If they don,t perk up or start rooting then i bin them after a couple of months.
    I have a Onc maculatum that is starting to recover after serious root problems , i didn,t notice that the holes in the s/h pot were blocked & it stayed full for weeks.The sphag & bark & high humidity seems to have worked.

  3. #3
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    Hi , It will probably start new roots once it has new growth going , I might be wrong as I am not familiar with that one , I don't think it will start new roots from the area where the other roots were . Gin

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    Default UPDATE

    I mentioned this on the active post for another Onc. lanceanum but didn't want to entirely hijack the thread, so here is an update to my original thread on this.

    When I took it out of the original bag (IKEA shopping bag since I couldn't find any clear plastic in the house - LOL!) I discovered it did indeed have a tiny new growth starting. I probably should have left it the way it was since the new growth had started but was anxious so tried the recommendation by uncasteeb.

    After another month and a half it was looking more wilted despite some sprays every day so I mounted it on cork and recovered it in plastic.

    The first photo is the entire plant in the plastic. The second is a bad attempt to try to show the tiny growth (I circled it in yellow but its hard to distinguish from the moss around it), which unfortunately has not changed/grown a bit since I discovered it back the first week of October. The foliage is still reasonably green and healthy.

    How long would you all wait to see if the new growth will actually grow any more and develop roots of its own? It does not have a single viable root and hasn't since June which is why I'm so surprised its even still alive!

    I tried Master Gin's threat tactic of a salad shooter without success!

    Matt

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    I see the new growth , bet it will make it ! You mean my salad shooter idea did not work . Threaten it with a MN.winter vacation ... That will do it lolol Gin

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    Thanks for the positive outlook on it. I really hope it will take hold as I love the plant. I bought it for the foliage...love the lighter green color with speckling; but the flowers are an added bonus. I hope it will grow to be like Jason's plant!

    Any other opinions on this? Or tricks to get it to send out a root or two?

    Matt E.

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    Hi again , The one thing the mule ear types don't like is to be too wet , beware of the Spag. close to the new growth , I have an old one not the same as yours , It likes to dry out when not doing anything , without roots I know it is hard to adjust it , If mine I would get rid of the Spag. near the base of it , maybe have some near the plant to keep the humidity up , just a thought . Gin

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    I wondered about that and will make the adjustment to the mount tonight after work. Thanks!

    ME

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    Hi Matt,

    I would think that you should see some new roots after the application of root growth hormone. Keep us updated. I am interested to see how it does with this last change.

    Cheers!
    BD

  10. #10
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    Well, the funeral is over. My neglect over the last month was all it took for it to throw in the towel. So I did the same. Went out with the trash last week.
    I'm going to order a new one (from a different vendor this time) as I really like this species.
    ME

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