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What did this to my plant!? (Pic)

Posted: Wed Jul 27, 2011 10:09 am
by Madame October
Hello,

Can anyone I identify what's happening to the plant? One day it seemed fine than the next I noticed these circles on it.

Thanks

[img]https://i1119.photobucket.com/albums/k625/MadameOctober/IMG_11091-1.jpg[/img]

Posted: Wed Jul 27, 2011 11:50 am
by Kisal
That is a good pic and shows the damage well. Could you post another that shows the undersides of the damaged leaves? I think the problem could be being caused by some sort of mite, but I'm not certain. :)

Posted: Wed Jul 27, 2011 12:08 pm
by applestar
What kind of plant is this? I don't recognize it.

The puckered bumps remind me of the way apple leaves look when they get cedar-apple rust fungus.

Posted: Wed Jul 27, 2011 12:20 pm
by Madame October
Kisal wrote:That is a good pic and shows the damage well. Could you post another that shows the undersides of the damaged leaves? I think the problem could be being caused by some sort of mite, but I'm not certain. :)
Thanks. Here is a picture of the underside:
[img]https://i1119.photobucket.com/albums/k625/MadameOctober/IMG_11261-1.jpg[/img]

Posted: Mon Aug 01, 2011 8:36 pm
by shadylane
It looks like a plum leaf with blister mite which is a enophyidmite that causes the raised green to yellow blister. Beneath on the underside of the leaf you can see the orange patch where the mite can be found. Later the patch turns brown. No serious damage done to the plant but it will return, for it over winters.
One can spray with an oragnic Lime Sulpher in the spring.

here is a link for the "enophyidmite"
https://www.puyallup.wsu.edu/plantclinic/resources/pdf/pls89eriophyldmites.pdf