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Discussion in 'Issues, Disease and Pests' started by Kara, Jul 15, 2013.
Would someone explain this to me? I hope it's not a pest or fungus...
I can't really see clearly in this picture. Have you tried looking with a magnifying glass? Can you scrape them off with gentle pressure? If it is an insect (mealybug?) you can dab a bit of alcohol on one and see if it makes a difference.
Kara, I have noticed on some orchids with fat roots (like Phals) when they are freshly watered and the outer layer (velamen) is totally saturated, they take on a bright green color with white dapples. I think that may be what you are seeing.
I agree with Kelly - I think they are nothing more than little pockets of air that somehow don't get easily wetted.