Paphiopedilum Rotschildanum Brown spot
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  #1  
Old 10-30-2017, 07:14 AM
Tomas96 Tomas96 is offline
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Paphiopedilum Rotschildanum Brown spot
Exclamation Paphiopedilum Rotschildanum Brown spot

Hi Everyone!
I have an issue with a paphiopedilum rotschildanum I’ve purchased online recently.
The orchid arrived in bad conditions already, completely out of the bark and with an injured leaf.
I’ve quickly repotted the plant using a mixture of bark, perlite and sphagnum moss.
I’ve located the plant in an outdoor cool greenhouse with a minimum of 90% of humidity and temperatures around 20 max to 15 minimum at night.
The light is really high but not direct sunlight
I don’t let the plant pot never dry out of course.
Just few days later I’ve noticed a brown spot on the youngest leaf, with a light green to yellow halo around.
Do you think that is just something I can not worry about or it is a kind of disease?
Thank you so much for your help!
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  #2  
Old 10-30-2017, 06:04 PM
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Pictures would be a great help to help you. You seem to have done a great job repotting it and giving it its culture. The brown spot might be from an insect bite on the leaf and developed a fungi infestation usually manifesting to form a ring around the spot. Or a droplet of water that reacted to sunlight and did a sunburn and developed a ring of fungi.
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  #3  
Old 10-31-2017, 02:21 AM
Tomas96 Tomas96 is offline
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Paphiopedilum Rotschildanum Brown spot
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Thank you so much for the quick reply!
Here is a pic of the brown spot
Hope it helps!
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Paphiopedilum Rotschildanum Brown spot-16d9e5ef-cc28-49e1-b857-d75c150107e5-jpg  
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  #4  
Old 10-31-2017, 04:05 PM
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Use dish detergent soap and warm water to wash the leaves. The fungi white dots have manifested on the other leaves. The yellow rings tells us that the plant is fighting the black fungus that started on the side of the leaf. Cut the infected area and dab with liquid cinnamon to seal the open wound.
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Old 11-09-2017, 11:56 PM
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Paphiopedilum Rotschildanum Brown spot Male
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This plant wants warm temperatures, not cool. 90% humidity makes fungus growth more likely. 40%-60% humidity is enough.

If your house is warmer, I would keep it in your house.

The leaf might have damage from shipping.
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  #6  
Old 12-17-2017, 02:04 PM
PaphioAdict PaphioAdict is offline
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Paphiopedilum Rotschildanum Brown spot Female
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We have a greenhouse and been growing Roth and a couple of its hybrids for a few years then last winter we lost hydro and things started too freeze so we lost most of our warm growing multi florals and the survivors are still pretty ugly. So they will be coming in the house from now on in early October or when the nights get cool.
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