Hi there, just joined the Permies! First topic though..
I watched a video
https://www.youtube.com/watch?v=QfqNL54PJak (It's in german) and at 13:00 it's mentioned that Mediterranean herbs and mints, so Lamiaceae, connect with their roots to roots of fruit trees and shrubs. And the essential oils in the herbs are transferred to the fruit trees helping to prevent mold.
Anyone of you heard about this before? And if its true is it only the mint family doing this or could you use any plant with essential oils to achieve this prevention. Also do roots of different plants connect anyway, or just some?