working on Paphiopedilum philippinense

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Putting this out there for the experts. Late last year, I acquired some Orchid Zone refugee plants. They’d been through bad thrips damage and neglect and were very cheap, I basically paid for their shipping. Pictured here is P. philippinense; when it arrived, it was potted in bark that that seemed to have a lot of weird black sand in it. It had a postbloomed growth with three big leaves and a new growth off the side. It began to decline immediately. I unpotted and found knotty black roots. Repotted into new open bark mix. The new growth swiftly rotted off, showing a white fungal ring around its base. The postbloomed growth lost two of its three leaves; they turned dark brown and just went. I figured the plant was just a goner but I have kept watering it and...it’s basically looked like this for over 6 months. Just this leaf. No changes for better or worse. I’m afraid to unpot and check it now so I’m wondering if anyone can tell me what they think is happening? Is it stabilizing? Is there root growth, do you think? Or else how is this one leaf managing to keep going for so long? Thank you.
 

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Camellkc

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Typical fungus infection case. If the status of 1 last leaf remains for 6 month, still have a very little hope. But be prepared for the worst is better.
 

spujr

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Sadly, I think it could be a goner. I've seen leaves stay green even after the roots and crown are completely rotted away- eventually the rest dies off.

But you never know, I think you are doing the right thing and leaving it alone to see if it will recover. Sometimes plants die from over-care.

Best of luck!
 

SouthPark

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There's always hope I guess. But to give it the best chance, it would be good to bomb with systematic fungicides. And then before leaving it alone, would apply something along the lines of ezi-root gel, but not sure which part of the world you are ..... or whether you have that kind of product.
 
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There's always hope I guess. But to give it the best chance, it would be good to bomb with systematic fungicides. And then before leaving it alone, would apply something along the lines of ezi-root gel, but not sure which part of the world you are ..... or whether you have that kind of product.
Yes I did use Physan and Safari and Dragon’s Blood and I have watered it with KelpMax.
 

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