Brown/black spotting: Burns?
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  #1  
Old 02-04-2017, 08:53 AM
Hansu.nahar Hansu.nahar is offline
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Brown/black spotting: Burns? Male
Default Brown/black spotting: Burns?

Hello.

The leaves of my encyclia fragrans are developing some strange spotting and it is affecting the whole plant. What could be the reason? How do I take care of it?
Please help!
Thanks in advance.




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  #2  
Old 02-04-2017, 09:15 AM
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Ray Ray is offline
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I would speculate that it's a bacterial or fungal infection. As it's hard to diagnose easily, my first attempt at a cure would be a systemic treatment containing copper.
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Old 02-04-2017, 12:26 PM
bil bil is offline
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Quote:
Originally Posted by Ray View Post
I would speculate that it's a bacterial or fungal infection. As it's hard to diagnose easily, my first attempt at a cure would be a systemic treatment containing copper.
Ray, so copper treatments are OK for orchids? For some reason I had the idea that they weren't.

Thanks for that tip.
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Old 02-04-2017, 04:21 PM
bethmarie bethmarie is offline
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From the St. Augustine Orchid Society:
(Orchid Questions Answers, St. Augustine Orchid Society, 2009)
A few words about using copper fungicides on orchids. Liquid copper and Kocide (copper hydroxide) can be used on most orchids and are particularly useful for bacterial diseases on phalaenopsis. However, the copper will cause floral damage so it should not be used on a plant in bloom, should not be applied with an oil based product and should not be applied to dendrobiums.
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Old 02-04-2017, 05:24 PM
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Dollythehun Dollythehun is offline
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Thanks, Beth...I used it on my dendrobiums...too late but, no ill effects.
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