Brown rot on grammatophyllum?
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  #1  
Old 02-23-2019, 03:05 PM
Kilmiquix Kilmiquix is offline
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Brown rot on grammatophyllum?
Default Brown rot on grammatophyllum?

Hello, again, all!

If I have multiple questions regarding pest/disease on different orchids, should I post them all in one thread or split them up?

In the meantime, is this brown rot on a gramma leaf? There are a few other leaves with spots on them, but I'm primarily talking about the first one.

If so, treatment advice? Should I cut off the leaf/s?

In the first pic, the spot is kinda watery and translucent. In the second one, the spots are darker, a little sunken, and dry.
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  #2  
Old 02-23-2019, 04:26 PM
estación seca's Avatar
estación seca estación seca is offline
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Brown rot on grammatophyllum? Male
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In warm, high-humidity areas like yours, most outdoor orchids have lots of spots like these. I don't have your conditions so I'm not sure which are worrisome and which aren't. The St Augustine Orchid Society has a Web page devoted to pests and diseases; you might find that helpful.
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