Newly planted mulberry tree

Question

We recently planted a young 5ft tall mulberry tree. I noticed the base of the trunk seems swollen! Should I be alarmed?

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Answer 1

No. This appears to be the graft scion. Likely of a vigorous rootstock and a chosen scion, or top variety. You will want to keep any growth below this swollen area cut off. This will not be the same tree as the top. So that little sucker that I see should be taken off to prevent it from stealing nutrients from the scion.