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  #1  
Old 01-02-2010, 04:22 PM
sheena62 sheena62 is offline
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White Sticky Powdery Stuff on Phals
Default White Sticky Powdery Stuff on Phals

Can anyone help me with this? It seems to be affecting several of mine now. They are still blooming and growing well, but they get a white, sticky, powder type substance on the leaves and flower stems.

Thanks!
I'm a newbie here!
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  #2  
Old 01-02-2010, 04:32 PM
trdyl trdyl is offline
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White Sticky Powdery Stuff on Phals Male
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Welcome to OB!

Can you post a photo of the plant in question?
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  #3  
Old 01-02-2010, 04:46 PM
ronaldhanko ronaldhanko is offline
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Sounds like scale or mealybugs, but Ted is right that a picture would be decisive.
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  #4  
Old 01-02-2010, 04:47 PM
PaphMadMan PaphMadMan is offline
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White Sticky Powdery Stuff on Phals Male
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Even without a picture I'm 99% certain it is mealie bugs.
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  #5  
Old 01-02-2010, 04:52 PM
sheena62 sheena62 is offline
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White Sticky Powdery Stuff on Phals
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The sticky stuff only appears to be at the base of the new leaves. The white powder stuff is on the back and front of the leaves.

Is there a cure?
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  #6  
Old 01-02-2010, 06:07 PM
ronaldhanko ronaldhanko is offline
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Quote:
Originally Posted by sheena62 View Post
The sticky stuff only appears to be at the base of the new leaves. The white powder stuff is on the back and front of the leaves.

Is there a cure?
Mealy Bugs without a doubt and it is curable. I clean them off carefully with rubbing alcohol using a swab to get in the crevices and corners and then rinse off the plant. As badly as you have it you can also use a systemic insecticide but make sure that it's usable on orchids. If you clean them off you'll have to watch the plant carefully for a while to make sure you don't get them back and that you've gotten all of them.
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  #7  
Old 01-02-2010, 06:13 PM
ronaldhanko ronaldhanko is offline
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Here's a link to a thread on this site that discusses various cures: Mealybug issues...
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  #8  
Old 01-02-2010, 06:46 PM
Blueszz Blueszz is offline
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If you want to use a systemic pesticide, I used Imidacloprid without side effects on Phalaenopsis hybrids. Mealy's also can feed on the roots and when you spray the plant only it's likely youd don't kill the eggs. If you spray the plant you'll need multiple treatments.
If you spray the plant, do it early in the day and make sure you remove excessive 'water' from the crown afterwards.

Nicole
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  #9  
Old 01-02-2010, 07:58 PM
sheena62 sheena62 is offline
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Wow, thank you all! What great responses to this first timer here!

Is the rubbing alcohol treatment too harsh for the flower stems and buds?

Off to read the other thread you linked...

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  #10  
Old 01-02-2010, 09:24 PM
Shirley Shirley is offline
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Sheena, I use rubbing alcohol often (70%) but I mix it half and half with water. Works great on mealie bugs. Use a cotton swab for the larger areas but to get down into the crevices I find that a student's paintbrush with a fine point works best. Good luck!

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