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First time Deflasking

This is a discussion on First time Deflasking within the Flasking Equipment & Technique forums, part of the Orchid Propagation category; The flask I ordered got delayed in the mail and came yesterday in the midst ...

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  1. #1
    Lambert's Avatar
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    Default First time Deflasking

    The flask I ordered got delayed in the mail and came yesterday in the midst of the snowstorm and freezing weather instead of the days before when the temperatures were in the mid 40s. Oh well! ...

    I have read a bunch of stuff on the forum and online about the aftercare but if any of you think I already made a mistake, please let me know.

    I decided to cut a gallon of mineral water and reassemble the top part and the bottom part to create a mini greenhouse. I poked some holes in the bottom.
    Should I keep the lid on?

    I put the compot in a little wardian case that I got as a gift (aka my hospital tank) and that maintains a temperature of 75 with a bottom heating system (I elevated the seedlings so the plastic bottle doesn't touch the heating pads directly)
    The humidity in the wardian case is 65% but being in the plastic bottle I would think the seedlings get 100%. (too much?)
    I did not separate the taller seedlings from the smaller ones and planted them in a mix of finely chopped sphag and perlite with chunks of charcoal at the bottom.
    How long am I supposed to leave them in this intensive care program?
    What are the signs letting me know it's ok to remove the top half of the bottle for good?

    So far so good?
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  2. #2
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    I would worry about them being too wet. Keep an eye on them. I would think they should be fine in the case without the bottle top. Maybe open it to let a little air circulate around inside the bottle?

    Cheers,
    BD

  3. #3
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    I've found that the whole trick with flasks is how mature they are. They longer they're left in flask before hardening, the tougher the seedlings.

    That's not to suggest you don't compot them when you get them. It only means that really small plantlets don't take as well to the changes. I've had flask sources that send them way too early and others that send them nicely grown out.

    It's such a touchy thing. Bruce is right - don't leave them too damp or they'll brown out on you in an eye blink. But if they move too suddenly to a dryer environment, they'll likewise croak.

    Small gentle steps are best. But be warned that flasklings have the highest mortality rate of all orchid growing. It's what it is.

    Good luck!

    Julie

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    I'm with B.D. looks like a lot of condensation inside the bottle. I would take the cap off. Then after a few weeks either put more holes in the upper part of the bottle or remove it entirely.

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    Thanks BD, McJ and John, I followed your advice to reduce the condensation and will keep you posted on the seedlings' progress (or lack of .....)

  6. #6
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    Good luck laurent!! I think there is greater risk of them rotting in humidity that is too high, so to what everyone said above.I like the babies, they look cute in the water bottle tank u created!! Nice use of the plastic bottle!! Just remove the cap and they should do fine.
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    Have you got a fan to move the air arround.
    Tednz

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    I had actually replanted the seedlings in tiny clay pots after a week, dividing them depending on how well they were doing. Got rid of the ones showing no signs of growth. It's been 3 weeks now and I still have 30 or so doing fine (so far!)
    A couple of seedlings had their leaves tips browning which I think could be too much fertilizer or not enough humidity but I am not too worried ... (it's not spreading down the leaves or anything)
    Thanks for the all advice, guys!
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    Hi Lambert,

    Thks for sharing.

    What medium did you use for the plantlets?

  10. #10
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    Quote Originally Posted by mnoor View Post
    Hi Lambert,

    Thks for sharing.

    What medium did you use for the plantlets?
    I put charcoal and lava rock at the bottom for aeration and a mix of lose sphag and perlite as top layer ... I am no expert though!

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