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brass_tacks

pin size black spots on trunk & limb

brass_tacks
13 years ago

While I was pruning dead branches off the River Birch I noticed that most of the dead twigs and branches had very tiny, dot-like black markings. It doesn't come off with a rubbing. The spots are thick in number, separated by maybe 1/16 of an inch. The leaves on the limbs with these spots are few in number.

I found the same thing while pruning the Weeping Youpon.

Some of the Burfordi Holly & Nelly Stevens have the same kind of thing.

Can anyone say what this might be and hopefully someone will have a suggestion as to what I can do.

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