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-   -   Cattleya percivaliana with black pseudobulb (https://www.orchidboard.com/community/beginner-discussion/106728-cattleya-percivaliana-black-pseudobulb.html)

estación seca 05-01-2021 03:58 PM

Those temperatures are OK for Cattleyas for now. The black pseudobulb may be sunburned. That's what sunburn looks like on Catts.

I don't treat with fungicide unless I'm sure I have a fungus.

SouthPark 05-01-2021 05:17 PM

Does the black coloured region appear on the other side of the bulb too? If sunburn is a candidate, then I would also assume some leaves would get at least some scorching too. Still a possibility though. Check the other side of the bulb too.


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