Opinion on fungus or infection: Cataleyas
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  #1  
Old 05-27-2023, 12:59 PM
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Opinion on fungus or infection: Cataleyas Female
Default Opinion on fungus or infection: Cataleyas

Hope everyone is doing well.

I need your opinion about these spots on leaves and what would be in your opinion be the solution?

These are from 2 Cats growing in a garden, have flowered correctly. Intentity of natural lighting is controlled. Maybe for few weeks wwee overexposed to too much light but not direct sun.

Thank you!





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Old 05-27-2023, 03:38 PM
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Looks to me like they are being attacked by insects, possibly with a minor secondary infection.

I would not recommend trying to treat anything unless it expands significantly.
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Old 05-27-2023, 04:04 PM
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Hello Sade
I had that type of spots in some of my plants. Could never determine its origin but, unless they spread, honestly I never gave it much importance.
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Old 05-27-2023, 06:24 PM
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I have some random spots and blemishes on my phals that are similar. Like Ray, I assume it’s minor damage from something and then a small secondary infection. I haven’t ever treated and none of them get worse. No indication of spreading from plant to plant, so I’m happy not worrying about it.
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Old 05-28-2023, 06:03 AM
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The problem is that I am coming from a Big infection spread toany orchids and I now panic that is not well cure or gone.

Why is not treating better than "prevention" ?

Thank you 🙏!
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Old 05-28-2023, 08:20 AM
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Most of what I see is mechanical damage - scrapes, scratches. This happens easily to Cattleyas.

I wonder whether the patch of black spots just above a pseudobulb is old scale damage.

Treating when you don't need to selects for resistant diseases and pests. It kills beneficial organisms. Rather than pesticides and fungicides I treat with mixtures of beneficial organisms. These are often sold a plant probiotics.
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