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Help!! Dendrobium root diagnosis!!!

This is a discussion on Help!! Dendrobium root diagnosis!!! within the Dendrobium Information forums, part of the Frequently Asked Questions category; Hi I'm a new orchid grower and i really need help!!. Ok, so about 3 ...

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  1. #1
    emipr is offline Junior Member
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    Default Help!! Dendrobium root diagnosis!!!

    Hi I'm a new orchid grower and i really need help!!. Ok, so about 3 weeks ago I got a Dendrobium from my grandfather. It had two canes with 2 leaf, an a big one without any leaves. I also notice a keiki growing at the base of one of the canes. Once, received I re-pottered in a pot of the same size with a mix of gravel, pebbles, clay and brand new orchid bark, I watered and fertilize it with a 20-20-20. In the 3 weeks I have only watered 3 times ( once every 7 days) and kept it in a roof balcony facing east, so it takes sun in the morning and plenty of indirect sunlight the rest of the day. I live in the carebbean so the temperature is never under 80F and the humidity is never under 75%, if the temperature get above 93 (like last week) i put it in my room, where the air conditioner keep the temperature close to 60F. The Orchid however doesn't seem to be reacting, It hasn't grow, or shown signs of new canes, leaves or roots, in fact one of the leaves got yellow and fell. So i got it out of the pot to check for root rotting, but I really can not distinguish if they are ok or rotten. And if they are ok, why hasn't it react? why it's loosing leaves? I'm really attach to it and don't wanna loose it. I'll provide photos for your convenience.
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  2. #2
    eircsmith's Avatar
    eircsmith is offline Senior Member
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    Thanks for threads. I think it well be a knowledgeable threads for us.
    Have you prefer any nutrients in growing process?

  3. #3
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    catttan is offline Senior Member
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    Newly repotted orchids need time to establish themselves in the new pots. The roots look healthy enough. Your potting media seem ok except for the clay (?). I assume this is soil? I am sure our Caribbean friends can offer better advice.

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    eircsmith's Avatar
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    Hi “catttan”. Thanks for reply. I am accepting a better advice from you.

  5. #5
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    abatis is offline Junior Member
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    What part of the Caribbean are you in? I am a new to growing orchids myself and can't really answer your question, but I couldn't help but smile when I saw your pictures... my grandparents had that same tile (lozeta) on their floors... I am from PR... I also have 2 Dends but they are babies I just purchased... good luck with your orchid! It seems, from what "catttan" said that the roots are ok! yay!!

    PS. I just saw your "nick" is emipr... I am assuming that means you are also from PR? hehe

  6. #6
    pipsxlch is offline Senior Member
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    The biggest worry for me is your bringing it inside where you keep it 60*F (brr!). These plants have no problem dealing with 93*+ temps- my hardcane dens (which yours is, can't tell more than that) deal with that and more, even over a hundred sometimes, for months at a time without slowing down- it's the winter chill (which doesn't really often go below sixty) that does a number on them; they can't handle cold and don't like below mid sixties. Going from nineties to sixties is a HUGE temp difference for it also. Given the good humidity, I'd leave the plant on the porch in bright diffused light, water once or twice a week until the rains start. Myself, I wouldn't bother fertilizing until you see root growth starting unless you use something with auxins/rooting hormones. Dens don't like being disturbed, so it may 'sulk' a bit before you see new nubbins emerging. See if you can get a pot clip to brace it in its pot also, so it doesn't keep being re-disturbed by toppling.
    The clay is pieces of hardened clay, no? Your potting mix sounds okay. I like to use clay pots with big/extra drainage slots or holes for mine- dens don't like wet feet (allow the mix to dry completely as much as you can until the rains come; allow it to be drier when the dry season comes and stop fertilizing then too). The clay pots are also heavier (since dens tend to be top heavy and topple easily) and breathe like plastic doesn't- so they stay drier and cooler in the heat. This is just my opinion though!
    If you end up in a house with a tree in the yard, it would be very happy naturalized onto the tree.

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