Links: Phytophthora ramorum in waterways

looking upriver toward a curve with a gravel bar just past it in the middle of the frame. The banks are thickly forested.

Spread of Phytophthora ramorum to water, soil, and vegetation outside a nursery in Pierce County, Washington

G. CHASTAGNER (1), K. Coats (1), M. Elliott (1)
(1) Washington State University, Puyallup, WA, U.S.A.
Phytopathology 101:S32

Volunteer stream monitoring for invasive Phytophthora species in western Washington

M. ELLIOTT (1), G. Chastagner (1), K. P. Coats (1), A. DeBauw (1), K. Riley (1)
(1) Washington State University, Puyallup Research and Extension Center, Puyallup, WA, U.S.A.
Phytopathology 101:S48

Mystery on the Sammamish: What are the sources of Phytophthora ramorum infesting this Washington State waterway?

G. Chastagner (1), K. COATS (1), D. Omdal (2), A. Ramsey-Kroll (2), M. Elliott (3)
(1) Washington State University, Puyallup, WA, U.S.A.; (2) Washington State Department of Natural Resources, Olympia, WA, U.S.A.; (3) Washington State University, Puyallup Research and Extension Center, Puyallup, WA, U.S.A.
Phytopathology 101:S32

Determining the risk of Phytophthora ramorum Spread from Nurseries via Waterways (pdf)

Marianne Elliott, Gary Chastagner, Katie Coats, and Gil Dermott
In Frankel, S.J.; Kliejunas, J.T.; Palmieri, K.M.; Alexander, J.M. tech. coords. 2013. Proceedings of the Sudden Oak Death Fifth Science Symposium. Gen. Tech. Rep. PSW-GTR-243. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 169 p.

Spread of P. ramorum from Nurseries into Waterways – Implications for Pathogen Establishment in New Areas (pdf)

Gary Chastagner, Steven Oak, Daniel Omdal, Amy Ramsey-Kroll, Katie Coats, Yana Valachovic, Chris Lee, Jaesoon Hwang, Steven Jeffers, and Marianne Elliott.
In Frankel, Susan J.; Kliejunas, John T.; Palmieri, Katharine M.  2010.  Proceedings of the Sudden Oak Death Fourth Science Symposium.  
Gen. Tech. Rep. PSW-GTR-229. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station. 378 p.

WSU Puyallup Research & Extension Center
2606 West Pioneer, Puyallup, WA, 98371-4998 USA
Last updated 9/24/2025