What do y'all think this is on my m26 rootstock/Evereste crab? Burr Knots?

Anything to worry about? Should I bury the rootstock or let it be? Evereste crab grafted on M26 rootstock. It’s been in the ground a year or so now.

Just leave it like that, M26 does this a lot, totally fine. If you bury it you will lose the M26 dwarving habit

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Yes it looks like burr knots. It should be fine. In some regions borers enter the tree thru the burr knots but it seems this is a non-issue for most people.

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Yes burr knots, but much less pronounced than say on M111 and it has been used successfully for years.

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