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Thread: my dendrobium orchids have black spots

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  1. #1
    Real Name
    Senthil
    My Grow Area
    On a Windowsill.
    Favorite Orchid(s)
    Dendrobiums
    Join Date
    Dec 2009
    Location
    Chennai, India
    Posts
    28
    Member's Country Flag

    Default my dendrobium orchids have black spots

    Hi,
    I am new to orchids, so i have uploaded the pics of my plants, please let me know whether they are healthy. One of the plants have lot of black spots on them, what are they. I have 3 orchids but they are not flowering at all, please let me know if any extra care needs to be taken. I am in Chennai(India), here the climate hot during day and slightly cold during night. I water them every 2 days and weekly once with organic liquid fertilizer.
    Attached Images Attached Images     
    Last edited by senthil; January 5th, 2010 at 12:01 AM. Reason: pics not attached

  2. #2
    Real Name
    Ron
    Favorite Orchid(s)
    Bulbophyllum, native orchids
    Join Date
    Jan 2009
    Gender
    Male
    Location
    Tacloban city, Leyte
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    6,064
    Member's Country Flag

    Default

    hi senthil,
    they look ok to me, those spots on the leaves could be mechanical, from moving around or animals around the house, nothing to worry about.
    i guess only patience is needed to see em blooming.
    how long do you have em?

  3. #3
    Real Name
    Randy
    My Grow Area
    Outside 24/7
    Favorite Orchid(s)
    Vanda and Paphiopedilum
    Join Date
    Mar 2009
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    Male
    Location
    Pampanga, Philippines
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    3,542
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    Default

    they look fine to me. how much light do they get? i have a secret that keeps my garden
    full of flowers.... always buy more, hehehe, that way you'll always have something in
    bloom. But seriously, nothing to be alarmed about, just continue what your doing and
    maybe give a bit more light short of burning the leaves.

  4. #4
    Real Name
    Senthil
    My Grow Area
    On a Windowsill.
    Favorite Orchid(s)
    Dendrobiums
    Join Date
    Dec 2009
    Location
    Chennai, India
    Posts
    28
    Member's Country Flag

    Default

    Thanks to all of you for the reply

  5. #5
    Join Date
    Mar 2017
    Posts
    18

    Default

    I attached my non blooming dendrobiums onto my mango tree and they have started new growths !! Chennai gets very hot so air circulation is primary for these plants ...
    Posted via Mobile Device

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