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  #1  
Old 05-08-2021, 04:13 PM
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avian avian is offline
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Brown spots on leaves
Default Brown spots on leaves

I recently received this Dendrobium bracteosum v. tannii and noticed these spots on several of the leaves. What is this? I contacted the seller regarding this and am waiting for a reply.
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  #2  
Old 05-08-2021, 05:45 PM
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Roberta Roberta is offline
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Looks fungal. You can just keep an eye on it... if they dry up and don't spread, no worries. If they start to spread, a fungicide might be in order. On the assumption that you'll hear fro the seller soon, I'd suggest not treating until you do hear from them - if an adjustment is what they suggest, you'd want the plant to be as you received it. I suspect that it was just cold water splashing on leaves, in which case it won't progress to a bigger issue.

---------- Post added at 02:45 PM ---------- Previous post was at 01:29 PM ----------

Another note... these tend to bloom on older, leafless canes (though they may also bloom on canes with leaves). So loss of a few leaves isn't going to harm blooming. And of course, don't cut old canes until they are truly shriveled and you're sure they're permanently dead - because they can bloom even when they look like they're on the way out.
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  #3  
Old 05-09-2021, 01:27 PM
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Brown spots on leaves
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Thanks, Roberta. Does look fungal to me and it seems to be spreading. Still waiting to hear from seller. I quarantined the new orchids I received including this one and now it's separate from even the orchids it came with. I would say that most of the leaves have the spots both on the front and the back. There is some new growth and I don't see any spots on that at this time. I'm taking your advice and not doing anything until I hear from the seller.

I have a few other Dendrobiums and none of them have ever had anything like this spotting.

Last edited by avian; 05-09-2021 at 01:30 PM..
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Old 05-11-2021, 05:52 PM
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Heard back from seller and was instructed to remove the spotted leaves which had also begin to turn yellow.
Was also told to give the plant a good watering. Did both and will wait and see what happens.
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