Tuesday, June 28th Pre-workshop Tour 1 pm – Depart for afternoon tour of positive Gig Harbor, WA salal site (car pool from WSU Puyallup Allmendinger Center)

• WSDA/USDA-APHIS – History and site mitigation
• WA DNR – Dan Omdal and Amy Kroll, poster presentation relating to the Sammamish River
• Return to Puyallup at about 5:00 pm

Wednesday, June 29th Workshop – Developing effective, economical and environmentally acceptable ways of limiting Phytophthora ramorum spread via contaminated nursery run-off 8:00 am – Registration 8:30 am – Welcome and Introductions 8:45 am – Overview of water issues – Mark Stanley Moderator

• Washington State – Gary Chastagner, WSU
• Eastern U.S. – Steve Oak, USDA FS
• Irrigation – Steve Tjosvold, UCCE

10:00 am – Break 10:30 am – What have we learned from water baiting? – Susan Frankel Moderator

• Biology/ecology of P. ramorum in water – Everett Hansen, OSU

Noon – Lunch and walking tour of WSU Puyallup Low Impact Development Research and Demonstration facilities led by Craig Cogger 1:30 pm – What have we learned from water baiting? Continued

• Phytophthora spp. in Water: A Southeastern Perspective – Steve Jeffers, Clemson University
• What have we learned from water baiting?– Dave Rizzo, UC Davis
• P. ramorum in water – Matteo Garbelotto, UC Berkeley

2:30 pm – Risks and impacts to WA – Panel Discussion

• Impacts of P. ramorum on the nursery industry – Dave Jarzynka, Briggs Nursery
• Sudden Oak Death potential impacts to log exports – John Browning, Weyerhaueser Co.

3:00 pm – Break 3:30 pm – Approaches to reduce the risk of spreading inoculum in water – Marianne Elliott Moderator

• Constructed Wetlands, Slow Sand Filtration, & Phytophthora spp. removal – Sarah White, Clemson University
• Water treatment options – Dustin Meador, Univ. of Florida
• Sublethal neurotoxic effects of copper on juvenile salmonids – Jenifer McIntyre, WSU

5:00 pm – Adjourn Thursday, June 30th – Disrupting the water pathway: Recommendations for prevention of P. ramorum spread via water Task:  Discuss recommendations to prevent new P. ramorum introductions via water 8:30 – UK update – unknown risks? –  Gary Chastagner, WSU 9:00 – Discussion of recommendations for positive water, notification –Gary Chastagner, WSU 10:00 – Break 10:30 – Preventing run-off – nursery scenarios – small groups – Marianne Elliott, WSU 12:00 – Lunch 1:00- Report out – share solutions 2:00 – Questions & answers –  Steve Tjosvold and others Break Research, education, outreach and other needs – Susan Frankel, USDA FS Meeting wrap up – next steps 4:00 pm  Adjourn

Contact: Gary Chastagner, 253-445-4528 | WSU Puyallup Research & Extension Center, 2606 West Pioneer, Puyallup, WA, 98371-4998 USA Last updated January 2, 2013