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  #1  
Old 04-30-2019, 05:23 PM
rbarata rbarata is offline
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Default Fungus?

Hello, my friends

Although I think this is not a pest, I didn't knew where to put it in these forums.

This is a close up of the medium of my Laelia vasconcelosiana. I believe this is some kind of fungus.
The vendor told me there was no need to repot becaus the medium is one year old only.

What do you thin this is?





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  #2  
Old 05-01-2019, 01:01 AM
aliceinwl aliceinwl is offline
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My guess would be fungus too. Iíve had these types of fuzzy growths self correct when I kept the affected plants drier.
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Old 05-01-2019, 06:47 AM
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Yes, that is fungal hyphae.
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  #4  
Old 05-01-2019, 07:28 AM
rbarata rbarata is offline
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Can it be related with medium degradation?

I don't like the medium used, not suitable for my watering routines. It seems to be growing a new growth so repoting could be done in a short time.
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  #5  
Old 05-01-2019, 12:22 PM
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It might be, or might not! Not to mention that it might even be beneficial - but I doubt it.

Orchiata bark is naturally populated with penicillium and trichoderma species, and there are inoculants that can be added to provide growth stimulation an infection prevention, and they all produce hyphae that "extend the reach" of the plants' root systems, absorbing water and nutrients and "injecting" them directly into roots via mycorrhizae.

What you have is more likely a pathogenic, wood-decomposing fungus, so repotting is the best course of action.
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  #6  
Old 05-01-2019, 03:48 PM
rbarata rbarata is offline
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I'm reluctant to repot it...this a species discovered less than 10 years ago. It's rare to find it for sale and the information I get from the web is contradictory.
I will wait to see how it develops what seems to be a new growth.
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Old 05-02-2019, 01:45 AM
aliceinwl aliceinwl is offline
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Is it just the light, or is the base of the orchid black? If thatís not normal, it might be worth some exploratory poking around to make sure the roots are okay before adopting a wait and see.
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