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Black Spots on leaves, please help! Black spots on Cattleya
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  #1  
Old 10-19-2014, 07:58 AM
marcoeverard marcoeverard is offline
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Black spots on Cattleya Male
Default Black spots on Cattleya
What are these black spots on this cattleya. Th rt of the plant looks healthy but the new growth had these black spots.
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  #2  
Old 10-19-2014, 10:04 AM
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Andre Andre is offline
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Fungus, or bacterial spots?


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  #3  
Old 10-19-2014, 10:42 AM
annak annak is offline
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Black spots on Cattleya
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To me just melanins of the plant. Does it receive a lot of light?
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Old 10-19-2014, 12:12 PM
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Leafmite Leafmite is offline
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Black spots on Cattleya
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It looks perfectly fine. I have a Cattleya aclandiae and that is considered normal for them.
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Old 10-19-2014, 12:20 PM
trdyl trdyl is offline
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Black spots on Cattleya Male
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It is also normal on Cattleya lueddemanniana and some Cattleya trianae.
Last edited by trdyl; 10-19-2014 at 03:40 PM..
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Old 10-19-2014, 12:27 PM
marcoeverard marcoeverard is offline
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Thank you. This is a C Lueddemanniana and yes it gets quite a lot of light.
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Old 10-19-2014, 03:26 PM
silken silken is offline
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When I bought my C. lueddemanniana the vendor (Equagenera) told me all the new growths will get pigment spots which will go away when it has matured. Mine has always done that.
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Old 10-31-2014, 12:37 PM
NYCorchidman NYCorchidman is offline
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They don't look like disease spots to me at all.
Those are natural.
Enjoy your plant!
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  #9  
Old 11-05-2014, 03:02 AM
HR2007 HR2007 is offline
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Black spots on Cattleya
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Maybe you supply your orchid more Nitrogen (N2), you must decrease N2 and supply Kali (K) and photpho (P), example 6-30-30 or 6-50-30
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