Ask-a-Dave's-Gardener: Is this lemon tree growing from root stock?, 3 by debz0773

debz0773 wrote:
Hi. I planted this lemon tree about 10 months ago and during the last summer it was attacked by mealy bugs. The main trunk dried out but has two other branches form. I pruned the dead branch and left it to see if it would survive and now it\'s spring it\'s growing leaves. Now I\'m not sure if it\'s worth it or not because I don\'t know if these branches are from root stock. Maybe someone could help me here. I\'m in a zone 10b and have the tree on a south side that gets lots of sun per day. If it\'s not worth it a mango would love this spot but I\'d like to give it chance.