That scar is an artifact of a process called grafting, or fusing two separate pieces of wood into a new tree. From citrus to ...

Pistachio trees are not suitable for propagation by rooting stem cuttings, as the resulting ... to guarantee that you will get a nut-producing female tree rather than a male tree.

If you’ve recently purchased a fruit or nut tree — or if you ... and attach it to the base of another tree that will provide a root system. The cuttings being propagated are called scion ...