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Phal leaf issue diagnosis help Need diagnosis.
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  #1  
Old 03-02-2014, 11:18 PM
Pilot Pilot is offline
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Join Date: Mar 2009
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Location: Colorado
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Need diagnosis. Male
Default Need diagnosis.
Any idea what this is? Spots showed up today (I don't remember seeing them yesterday). Thoughts?


Untitled by oryan820, on Flickr


Untitled by oryan820, on Flickr

This same plant has a mutation:


Untitled by oryan820, on Flickr

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  #2  
Old 03-03-2014, 01:56 AM
AnonYMouse AnonYMouse is offline
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I've not seen anything exactly like that. I've had yellow spots surrounding a dark dot. Stopped it with rubbing alcohol swab and a dry environment. The yellow turned back to green but the dark dot is still there (scar).
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  #3  
Old 03-03-2014, 03:33 AM
OCRC_Dir_China OCRC_Dir_China is offline
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Are the spots showing on the underside of the leaf as well?
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  #4  
Old 03-03-2014, 08:01 AM
Pilot Pilot is offline
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Yes they do show on the underside.


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  #5  
Old 03-03-2014, 04:05 PM
rangiku rangiku is offline
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Swab for red spider mites.
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  #6  
Old 03-03-2014, 04:14 PM
NYCorchidman NYCorchidman is offline
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It is not red spider mites damage.
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  #7  
Old 03-03-2014, 04:39 PM
OCRC_Dir_China OCRC_Dir_China is offline
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I was afraid of that; I would say that the leafspots are caused by Cercospora sp. It likes to start with older mature leafs and has a habit of starting on the underside of the leaf so by the time you see it on the top side if the leaf it is well established. I would proceed with a fungicide treatment of the plant.
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