Bacterial canker in Washington sweet cherries

Bernardita Sallato; Gary G. Grove; Alexandra Johnson

doi:10.7273/000001731

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Bacterial canker in Washington sweet cherries

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Bacterial canker in Washington sweet cherries

Bernardita Sallato, Gary G. Grove and Alexandra Johnson

Washington State University Extension fact sheet, 366E, Washington State University Extension

11/2021

DOI:

https://doi.org/10.7273/000001731

Handle:

https://hdl.handle.net/2376/119928

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Abstract

Pseudomonas syringae -- Control -- Washington (State)

Sweet cherry -- Diseases and pests -- Control -- Washington (State)

Bacterial canker in sweet cherries is caused by the bacterium Pseudomonas syringae pv. syringae (PSS) van Hall and is commonly associated with production areas characterized by wet and cold weather, such as western Washington, Oregon, and southern Chile, among others. Historically, until about 1970, bacterial canker was not considered a significant threat in the arid, sweet cherry producing region of eastern Washington. However, since then, this disease has been observed more frequently, especially in newer plantings where tree losses of up to 75% have been reported. The apparent increase in disease levels observed in Washington can be attributed to several factors, with the seemingly most evident being the high susceptibility of the cultivar �Coral Champagne�. Additional factors influencing bacterial canker infection include extreme weather conditions and irrigation practices. The presence of other diseases, such as Little Cherry Disease (LCD) or Verticillium wilt, can further predispose trees to infection by PSS. This publication provides additional information on bacterial canker caused by PSS and provides an overview of the disease management practices for Washington sweet cherry growers and guidelines to better diagnose the disease and prevent confusion with other threatening diseases affecting the Washington sweet cherry industry.

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Details

Title: Bacterial canker in Washington sweet cherries
Creators: Bernardita Sallato
Gary G. Grove
Alexandra Johnson
Academic Unit: Publications, WSU Extension
Series: Washington State University Extension fact sheet; 366E
Publisher: Washington State University Extension; Pullman, Washington
Format: pdf
Identifiers: 99900622898401842
Copyright: http://rightsstatements.org/vocab/CNE/1.0/
Language: English
Resource Type: Report