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Status of Boxwood Blight in Oregon

Part of the 2017 Oregon Master Gardeners Advanced Training series. Boxwood blight continues to be a problem in more landscapes and nurseries in the PNW. Learn about where this fungal disease has moved to, how to recognize it from other disease problems and run a model to determine when it might show up. Master Gardeners are our first responders to help limit the impact of this threat to our boxwood plantings.

Presented by: Dr. Jay Pscheidt and Cassie Bouska

Jay W. Pscheidt received his Ph.D. in Plant Pathology from the University of Wisconsin-Madison in 1985. Since 1988 he has been a professor at Oregon State University as an Extension Plant Pathology Specialist. His principal duties are to lead a statewide extension program related to the diagnosis and management of diseases of all fruit, nut, and ornamental/nursery crops. He is also co-editor of regional publication The Pacific Northwest Plant Disease Management Handbook.

Cassie Bouska is an Assistant Professor (Practice) at Oregon State University since 2014. She serves as the Agriculture Extension Faculty for Coos and Curry counties where she works with commercial horticulture, home horticulture, livestock and dairy, and small farm producers.    

Resource links:

OSU Extension Publication on Boxwood Blight: https://catalog.extension.oregonstate.edu/em9141

IPPC Models: http://uspest.org/risk/models

Oregon Department of Ag: Nursery Cleanliness program details: http://www.oregon.gov/ODA/programs/NurseryChristmasTree/Pages/BoxwoodBlight.aspx

 PNW Disease Management Handbook link: https://pnwhandbooks.org/plantdisease/host-disease/boxwood-buxus-spp-box-blight



Facebook page for the PNW Disease Handbook: https://www.facebook.com/PNW-Plant-Disease-Management-124973520901136/

Photo credit: Sandra Jensen, Cornell University, Bugwood.org

*A recording of the webinar will be made available at a later date.  

https://youtu.be/3cBQfZNPxQU

Mark Locklear (Guest)

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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 Ag Extension (funding opportunity no. USDA-NIFA-OP-010186), grant no. 2023-41595-41325 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture or the Extension Foundation. For more information, please visit extension.org. You can view the terms of useat extension.org/terms.

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