What is this red growth on pear?

I found this red growth on a newly planted Seckel pear. This tree has been in the ground for about 60 days and is now starting to leaf out.

Is this some type of pear rust?
From looking at potential pest problems, this looks very much like Pear Leaf Blister Mites.

What should I do about it?

Appreciate any guidance.

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Yes,I agree and micronized Sulfur worked for me.bb