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Bulbophyllum: Leaves blacken and die, help!

This is a discussion on Bulbophyllum: Leaves blacken and die, help! within the New Growers: Ask the Senior Members forums, part of the New Growers category; Hi, I got two Bulbophyllums which are now in my bathroom; a B. vaginatum (please ...

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  1. #1
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    Default Bulbophyllum: Leaves blacken and die, help!

    Hi, I got two Bulbophyllums which are now in my bathroom; a B. vaginatum (please do not think anything bad), and the other one a B. Spp., and that one causes me to have headache: since two weeks, one leaf after the other one get yellow spots, then blacken, and then falling down.

    I attached a photo. There is a fluorescent light tube just above them (just outside the upper photo edge), and I water them 1 to 2 times a day. There's some spagnum moss around them, and also some small water containers in reach of some of their roots.

    Fast help is needed.
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    How do the roots look on it? Is the rhizome soft too, or just the leaves?

  3. #3
    SvenLittkowski's Avatar
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    Hi. Many of the roots were dead, some are still green. But just not many of the roots.

    The leaves feel still strong (the ehalthy ones), the bad ones fall down on touch.

  4. #4
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    hmmm, i would say its too moist, maybe lack of light and airflow?

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    Increase air movement and decrease watering if the roots are rotting. Sorry you are having trouble. Hope you can save these orchids.

    Cheers,
    BD

  6. #6
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    i think the moss covering is too heavy there, though bulbophyllums love moisture, but IMHO, they start off better with the root "lying on top" of the moss or at least very THIN layer of moss covering partly of the roots rather than being "buried" under the heavy moss layer.
    according to the person i bought the bulb. vaginatum, i was warned prior to purchasing it that it is one hard bulbo to grow. good luck with yours and i would trimmed away the rot portion and then cover the cut wound with antifungals. personally i really think you should cut down on the amount of moss.

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