Black spots on several orchids
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Black spots on several orchids
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Old 04-17-2019, 12:25 PM
Cymbidium Cymbidium is offline
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Black spots on several orchids
Default Black spots on several orchids


within the last few days tiny black spots have grown on the leaves of quite a few of my orchids.

I've already read a few articles about pests and diseases but it's still really difficult for me to say what this is and how to treat?

The plants are in different rooms. Every cachepot stands in a pot saucers with some water to provide a higher humidity as this had been recommended to me by one orchid seller. Currently I am afraid that this might be the reason for a fungal infection.
But once again I am unsure if it is a fungal or bacterial infection and how to treat it?

Any recommendations?
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Old 04-17-2019, 03:13 PM
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Black spots on several orchids

Acidovorax, maybe?
Ray Barkalow, Orchid Iconoclast
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Old 04-17-2019, 10:28 PM
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Roberta Roberta is offline
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Black spots on several orchids

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Black spots on several orchids Female

I do suggest not letting them sit in water. Much better to water well (running out of the bottom of the pot) then drain well. That will pull air into the root zone and flush out accumulated salts and other junk that you don't want.
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black, fungal, orchids, spots, treat

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