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07-05-2009, 05:58 PM
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Jr. Member
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Join Date: Nov 2007
Location: N.O., Louisiana
Posts: 29
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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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07-05-2009, 10:48 PM
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Senior Member
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Join Date: Apr 2008
Zone: 9a
Location: Los Angeles, CA
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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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07-06-2009, 08:03 AM
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Join Date: May 2005
Location: Oak Island NC
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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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07-07-2009, 02:01 AM
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Join Date: Nov 2007
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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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07-07-2009, 02:08 AM
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Join Date: Nov 2007
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Bulbophyllum with green splotches on leaves
Here are the pictures of my orchid with the problem. Any help will be appreciated.
McLyle
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07-07-2009, 02:12 AM
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Join Date: Nov 2007
Location: N.O., Louisiana
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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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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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07-07-2009, 10:57 AM
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Join Date: Nov 2007
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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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07-07-2009, 01:30 PM
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Senior Member
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Join Date: May 2005
Location: Oak Island NC
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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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