Taphrina Deformans. Leads to sever disfigurement of the leaves. Affects nectarines, apricots, almonds, and peaches.
Use a copper based fungicide.
Elliptical shrunken area of bark.
Prune out the affected areas before the disease spreads.
Coral spot fungus (Nectria cinnabarina). Numerous small pink or red cushion-like pustules.
A saprophyte that can become parasitic. Can start from stumps that have noot been removed and spread to other plants.