From: Greg Stack Extension Educator, Horticulture Matteson Extension Center gstack@illinois.edu The pictures you sent are that of that a disease called perennial canker or gumosis. This disease

By Dr. Sharon M. Douglas Department of Plant Pathology and Ecology The Connecticut Agricultural Experiment Station 123 Huntington Street P. O. Box 1106 New Haven, CT 06504-1106 Telephone: (203

Overview Plum trees are susceptible to the same diseases that most other stone fruits suffer from. Viruses, bacteria and fungi infect plum trees. Recognizing the type of disease will help you determi

Plum trees are susceptible to quite a few pests and diseases, and require regular maintenance. Fertilizing the fruit trees and spraying them with fungicides and pesticides is necessary to promote stro