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Avatar for maplewalnut
May 8, 2020 8:21 PM CST
MD
I have a maple sapling growing in a pot on my porch, in the Baltimore area. It's about 5' tall. On much of the bark, there's a waxy, white substance. I can easily scratch it off with my thumbnail. There are also small bumps which, when scratched off, exude a clear liquid. I am worried: are the white substance, or the liquid-filled pustules, indications of disease?
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Last edited by maplewalnut May 9, 2020 6:18 AM Icon for preview
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May 8, 2020 8:23 PM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Can you add some photos?
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
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May 9, 2020 10:07 AM CST
Name: Daisy I
Reno, Nv (Zone 6b)
Not all who wander are lost
Garden Sages Plant Identifier
Very weird! Is whatever that is ON the bark? Or is it part of the bark? Take a paper towel soaked with rubbing alcohol and wipe the entire trunk. Then come back and tell us what you think. Or take another photo.

The only thing I can think is its some sort of insect infestation.
Life is not a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, thoroughly used up, totally worn out, and proclaiming...."WOW What a Ride!!" -Mark Frost

President: Orchid Society of Northern Nevada
Webmaster: osnnv.org
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