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cattleya problem

This is a discussion on cattleya problem within the General Orchid Culture forums, part of the Orchid Culture category; Hi, Can anyone tell me what would cause a new growth on catt. to suddenly ...

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  1. #1
    Joan's Avatar
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    Default cattleya problem

    Hi, Can anyone tell me what would cause a new growth on catt. to suddenly turn dry black. Thanks for any help you can provide.

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    Several things, but most likely would be that water got under the sheath and the growth rotted from within. Second would be it got too dry or too much light. 3rd would be insects or disease.

  3. #3
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    Brutal_Dreamer is online now Dreaming with my eyes open...
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    I would agree with Diane. Generally, it is too much light (burn), but it could be any of the above mentioned things.

    Cheers,
    BD

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    PAL
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    When this happend to me I thought back over the few weeks since I noticed the new growth and blamed it on my watering...

    AL

  5. #5
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    wetfeet101b is offline It's not dead! It's just permanently dormant.
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    Did it dry up? (crisp to the touch) or was it soggy and wet?

    If it was dry, then it would be a combination of dehydration and too much light and heat.
    Check the roots to make sure that they are ok. If they appear wilted then you will need to slowly reduce light, or slowly increase your watering frequency.

    If the new growth was soggy and wet, then it would be the opposite. It got too wet, too cold for too long and fungus/bacteria was able to overwhelm the new growth.
    In that case, keep it on the dry side and give it more light. An application of disinfectant would also be a good idea (cinnamon powder, Physan20, etc) just as a precaution.

    ~John

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    I've lost some to too dry. What's neat is the plants tend to be resilient and will push up another new growth in short order. They can afford to, because they're not drawing down their energy supporting the growth that didn't survive - the one they planned to support.

    Correct the culture problem and let us know if a new growth comes along!

    McJulie

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    Thanks everyone. I grow inside in front of windows. This was a sick catt that I treated for fungus and when it sent up the new green shoot I thought the problem was solved, and then it suddenly turned black and dry. I will have to check my watering carefully. I do have the wooden stick in the medium but not sure how dry it got.

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