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Canker Diseases on Landscape Hardwood Trees in the Western U.S.

USU Forestry Extension presents our April Webinar:

Can you or your pruning crew recognize a canker disease and its immediate threat? Cankers are areas of dead bark and underlying wood. They are common, widespread, and affect a wide range of trees and shrubs. They are typically caused by fungi or bacteria, and some can rapidly cause limb or tree death (fire blight, thousand cankers), while others may take years to cause reduced vigor or failure (cytospora). Learn how to identify and manage them. This webinar will focus on canker diseases that occur on deciduous woody plants in the western U.S.

Marion Murray has been the Integrated Pest Management (IPM) Project Leader at Utah State University Extension, Logan, since 2006. She conducts outreach and research in IPM, with a focus on fruits and landscape ornamentals. She received her MS in plant pathology from Oregon State University and is originally from North Carolina.

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The Extension Foundation was formed in 2006 by Extension Directors and Administrators. Today, the Foundation partners with Cooperative Extension through liaison roles and a formal plan of work with the Extension Committee on Organization and Policy (ECOP) to increase system capacity while providing programmatic services, and helping Extension programs scale and investigate new methods and models for implementing programs. The Foundation provides professional development to Cooperative Extension professionals and offers exclusive services to its members. In 2020 and 2021, the Extension Foundation has awarded 85% of its direct funding back to the Cooperative Extension System, 100% of funds are used to support Cooperative Extension initiatives. 

This technology is supported in part by New Technologies for Agriculture Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture and membership funding. Any opinions, findings, conclusions, or recommendations expressed in the content are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture. For more information, please visit You can view the terms of useat

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