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AILING Vanda Manuvadee

This is a discussion on AILING Vanda Manuvadee within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; This Vanda i have had for five years now. I see no sign of pests ...

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  1. #1
    orchidsal's Avatar
    orchidsal is offline Senior Member
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    Default AILING Vanda Manuvadee

    This Vanda i have had for five years now. I see no sign of pests or disease. No fungus. Yet it is suffering root loss and possible dehydration. Humidity is 60% on the low side, 85% on the high side. Temps. are 65 degrees F. to 81 degrees F., really quite mild temps. This has been going on for about 2 to 3 months. I thought of putting damp moss in a large zipper clear plastic bag, but with a Vanda I don't know if that's such a good idea. The plant is hanging high in bright indirect light. Your thoughts/advice would be appreciated. ALName:  Ailing Vanda manuvadee 10-23-11 005.JPG
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  2. #2
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    All due to dehydration, Al, I'm sure of that. Honestly, I water my vandas several times a day, every day. I've slacked off a little because the temps have been low...but every day. Remember they have no mass (potting material) to keep any sort of moisture around them. You would have to have so much humidity in your greenhouse to where it was a fog off and on through out the day not to water.
    Last edited by cdayinflorida; October 23rd, 2011 at 03:35 PM.

  3. #3
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    Yup Cathy is 100% correct, dehydration is the cause. I do not like to keep my Vandas bare root I put them in a basket with big charcoal pieces and a few coco nut husk chips. This bare root hanging is fine if they are watered several times a day.

  4. #4
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    And it isn't dead! I see viable roots. You just need to get some new roots growing. Keeping it watered will help. Al, you might consider putting it in a wooden basket. You can keep the basket soaked and it will provide a little moisture to the roots that attach...
    Now with that all being said...this is a bad time to try and get anything to regenerate growth and roots. Its cold and the light is low. Keep an eye out for fungus. You really want it to dry off before night.
    Al, you know how to tell when it is truly watered, right?

  5. #5
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    Thanks Cathy. I have a wooden basket I will try to weave the roots into. I have been watering X 2 per day and will increase that. BTW yes I do know how to tell when the roots are saturated with water. I am also glad your being realistic in your prognosis. AL

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    It will take a little while but I think Manuvadee will live to bloom again.

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    The bottom portion of the roots is infected. I have had this happen with 2 mokaras and the infection spread upwards. If you don't do something the leaves will yellow and drop off. Cut the stem (it will live because the top portion has quite a lot of aerial roots anyway), ensuring no infected portion of the stem remains. Dust with fungicide and plant in a new basket.

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    Hi AL I agree with paphioboy you better cut the bottom part you need to check whether the stem ok or not if the stem infected just cut again until everything is clean then get some moss or fern roots to cover the roots and put under the shade just about a month and hoping tyhe new root will come out dont let the plant too dry.My plant below more than a month now you can see the new root appear and the dehydrated leaves begin to recover all the process may take 2 to 3 months. Immediately after the new roots appear you need to put again under filter light about 50% to enhance the recovery process of the dehydrated leaves.Good luck AL.
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    Paphioboy and Zainal I took your advice and did all these things today almost first thing. There are ten good leaves left at least, but of course I need more roots to replace those lost. Thank You for your consideration and responses. By the way paphioboy I used Physan 20, a liquid fungicide soak as I don't have fungicide powder for dusting. AL

  10. #10
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    DON'T THROW AWAY THE LOWER PART! If you are lucky it may develop a keiki.
    Jose

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