HI everyone
I repotted my beech tree yesterday and found this in the pot, it was attached to the roots . Is this mycorrhiza, and if it is can I just cut it off the roots and put some back in the pot.
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It's hard to tell with pictures, but white webbing attached to your roots is what Mycorrhizal Fungi look like and do.
Definitely remix the white webbing back into your fresh potting medium.
Squizzy created an excellent thread on Inoculation and posted some excellent YouTube's, have a look at them.