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Trichocentrum cebolleta seedling help!

This is a discussion on Trichocentrum cebolleta seedling help! within the Genus Specific forums, part of the Orchid Culture category; Hello, I have just received a Trichocentrum cebolleta seedling by the post. It came dry ...

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  1. #1
    Piao Liang is offline Junior Member
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    Jul 2014
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    Default Trichocentrum cebolleta seedling help!

    Hello,
    I have just received a Trichocentrum cebolleta seedling by the post. It came dry but I suppose that for this species this is not a problem. It is in a sort of sphagnum around the roots and thin wire? on top which I suppose is to hold the medium during transport.
    I would like advice on repotting this orchid and watering frequency. There is very little information on the web concerning the care of this species and much less for seedlings. I know that people hang them in baskets or mount them as adult plants. I hope that somebody can answer. -
    I have visited every forum, even the ones in Spanish and French. I know it needs dry periods between waterings and people grow adult plants either on a basket or mounted.

    I am planing on putting it in a small pot with side slits, the one you use in France for faisselle. I will put coarse bark mix in the bottom and a bit or sphagnum around the roots. I will put this pot on another slightly larger pot with Leca on the bottom for humidity. What do you think?
    I live in Marseilles and at the moment it receives indirect bright light. It is summer so temperatures are quite high.
    Many thanks!!!
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  2. #2
    Piao Liang is offline Junior Member
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    Jul 2014
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    Female
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    Default

    I decided to go ahead and repot this orchid the best I could since it was starting to be in bad shape. If it works, this might help somebody else trying to grow this orchid.

    I left the bark mix soaking overnight. I rinsed the Leca pebbles several times with running water. I rinsed the pebbles, sphagnum, bark mix in Physan (2.6 ml/ liter). I prepared a solution of 1/4 strength in Volvic water (for all ingredients) KLN, Kelpmax and my usual orchid fertilizer and soaked the bark mix and sphagnum in it for 10 min. I squeezed the sphagnum moss.

    The orchid: took all of the old moss out. Since it was quite stuck to the roots I did it in the Physan solution. The roots looked ok except for maybe two that I decided to leave in there. I rinsed the roots with water then I let the orchid soak for 5 min in the diluted fertizer/rooting solution for 5 min.

    The pot: I put the Leca pebbles in the bottom of the outer pot and filled with water. I put the bark mix in the bottom of a pot used for "faisselle" (fresh cheese) which has slits on the side.

    Repotting: I put part of the roots in the bark mix and then covered them with the prepared Sphagnum moss. I will water it when the moss is dry. I also left a bamboo skewer to help me know if the medium is not dry enough.

    I got another seedling of this orchid in a flask I got from Costa Rica. I had only one seedling! Since there was no information on deflasking this orchid I had to read a lot and put together all of the information to deflask it. The procedure I followed with the grown up seedling is based on this. So far so good, the seedling from Costa Rica has 11 days since I deflasked it and it looks good. If this works, I will post the complete procedure for deflasking this species.

    Here are photos of the "older seedling" and the 11 days old deflasked seedling from Costa Rica. Also a photo of the roots of the older seedling.
    I would like to know if anybody has any experience with these and if I am doing ok.
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