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Vanda species with rot - HELP

This is a discussion on Vanda species with rot - HELP within the Orchid Ailments / The Compost Pile forums, part of the Orchid Culture category; I had posted in one of Naoki's threads about odd colored species being difficult. This ...

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  1. #1
    cdayinflorida's Avatar
    cdayinflorida is offline Senior Member
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    Default Vanda species with rot - HELP

    I had posted in one of Naoki's threads about odd colored species being difficult. This plant has given me so much grief. This is a tessellata 'alba'. I got this in bloom from a dear friend a couple of years ago.. It has since rotted several times. I thought I had rounded the corner and was gaining ground and just noticed rot again.
    I've used Cleary's, Diathane M45 and Thymol
    Any help with would be appreciated. I really don't want to lose this plant.

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  2. #2
    Brutal_Dreamer's Avatar
    Brutal_Dreamer is offline Dreaming with my eyes open...
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    I don't expect you will loose the plant. It looks healthy. It needs some air movement to dry it off after watering though. Looks like water is staying on the stem of the plant too long. One thing you could do after watering is to tap the plant a bit to shake loose water off of it.

    cheers,
    BD

  3. #3
    cdayinflorida's Avatar
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    Bruce, I had just sprayed with a fungicide. It had been fine but one new offset has rotted. I think I'm going to take your advice and just grow it drier. It is isolated in the center walk-way but it does get watered often. I'm just going keep it dry and cross my fingers and toes...thanks Bruce.

  4. #4
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    I cannot give you much advise, but my fingers and toes are crossed for a quick recovery of your tessellata.

  5. #5
    cdayinflorida's Avatar
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  6. #6
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    Sorry Cathy. Can't be of much help. The plant and keiki seem to be on the way to recovery. New healthy roots are always a good sign.

  7. #7
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    Looks like it's gonna be ok, Good luck on that!
    I seen the blooms, very beautiful, Good luck!
    Alex

  8. #8
    espranch is offline Senior Member
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    I always use bleach on rot, fungus or mold...nine parts water to one part bleach. I wash the plant with it, let it sit a couple of minutes, then rinse & dry. However, I do not have ANY vandas...simply not enough humidity/light in the greenhouse.....Betty

  9. #9
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    I've always thought of you as the expert on vandas so I wouldn't be able to tell you anything you don't already know. I use Diathane, which is a topical fungicide, and Thymol, which is a systemic fungicide. I think that, just like people, some individual plants seem to be more susceptible to diseases than others. I hope you can get it under control before the summer rains hit. I have a heck of a time controlling fungus once the Florida rainy season starts. Good luck.

  10. #10
    cdayinflorida's Avatar
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    Jeff...I use both fungicides you mentioned. And yes, the rainy season is almost here. I do have a roof over most of them. I know the darn things has new roots emerging but it still rotted an entire keiki off at the crown.
    I'm going to try Betty's bleach treatment. I still think this plant might have something that I can't cure.

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