Introduction: Two related bacteria, Pseudomonas syringae pv. syringae van Hall and P. s. pv. morsprunorum (Wormald) Young et al., can cause bacterial canker. Both pathogens affect sweet cherry, sour c

See Also: Cherry, Flowering - Bacterial Canker Cause: Pseudomonas syringae pv. syringae, a bacterium. This disease can be the limiting factor against establishing a cherry orchard in the Pacific Nort

In this Guideline: Symptoms Comments on the disease Management Publication Glossary SYMPTOMS AND SIGNS Symptoms are most obvious in spring, and include limb die back with rough cankers and am

What is it? Bacterial canker is a plant disease which has two other names. Bacterial canker in cherry trees is also known as bacterial blast and may be referred to as bacterial gummosis. Although i