til
Today I Learned SoyTDI 1 year ago 100%

TIL that some trees develop a disorder where roots grow in aerial areas.

deepgreenpermaculture.com

Burr knots (burrs or burls) are masses of small root initials, plant cells that are dividing and transforming into root tips, which appears on the above-ground portion of a rootstock, or on the trunk and limbs of apple trees. This is an inherited disorder where root-producing structures develop on aerial parts of certain apple trees. It’s not a disease, but it can be a problem!

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