Bulbophyllum with green splotches on leaves
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  #1  
Old 07-05-2009, 05:58 PM
mclyle mclyle is offline
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Bulbophyllum with green splotches on leaves
Default Bulbophyllum with green splotches on leaves

I recently purchased a "pot" of bulbophyllums from a warehouse in Fla. There are lots of Bulbos. Some of the leaves have a light green splotchy covering. Anyone have an idea what it could be? Too much heat? Too much water? No pests that I can see. Bulbos look healthy. I posted pictures in my (first) album. Hopefully, the setting is correct for viewing. Suggestions, please!!!! Thanks.
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  #2  
Old 07-05-2009, 10:48 PM
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Can you post a pic on the thread instead?

My first guess would be that it's algae.
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  #3  
Old 07-06-2009, 08:03 AM
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Sometimes plants will get areas of different coloration when there has been a drastic change in the fertilizer, especially if there was a deficiency to start with.
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Old 07-07-2009, 02:01 AM
mclyle mclyle is offline
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I finally figured out how to do it. Thanks, McLyle

Last edited by mclyle; 07-07-2009 at 02:09 AM.. Reason: Figured out how
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  #5  
Old 07-07-2009, 02:08 AM
mclyle mclyle is offline
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Bulbophyllum with green splotches on leaves
Default Bulbophyllum with green splotches on leaves

Here are the pictures of my orchid with the problem. Any help will be appreciated.
McLyle
Attached Thumbnails
Bulbophyllum with green splotches on leaves-bulbo-fr-fla-1-jpg   Bulbophyllum with green splotches on leaves-bulbo-fr-fla-2-jpg   Bulbophyllum with green splotches on leaves-bulbo-fr-fla-3-jpg   Bulbophyllum with green splotches on leaves-bulbo-fr-fla-4-jpg   Bulbophyllum with green splotches on leaves-bulbo-fr-fla-5-jpg  

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  #6  
Old 07-07-2009, 02:12 AM
mclyle mclyle is offline
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If it is an algae, how do you control it? Is it a bad thing? I must have at least a dozen bulbos in this pot...not all of them are discolored.
McLyle
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  #7  
Old 07-07-2009, 02:34 AM
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Could be powdery mildew.

I'd wipe that stuff off.

You can use isopropyl alcohol and rub it off with a paper towel. For the tough to reach areas you can use a Q-tip.

Don't let the alcohol drip onto the roots. And definitely don't dump the stuff onto the plant.

Last edited by King_of_orchid_growing:); 07-07-2009 at 02:37 AM..
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Old 07-07-2009, 10:57 AM
mclyle mclyle is offline
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Wow! It worked. I put alcohol on a paper towel and wiped 3 leaves with it and, of course, the paper towel turned green!!!! I'll have to do some research about what causes powdery mildew. Many, many thanks for your help!!!! McLyle
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Old 07-07-2009, 01:30 PM
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Isn't powdery mildew more of a blue/gray color? If it wiped off green, I'd go with the algae.
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