Nursery update for WA and OR

A King County, Washington retail nursery was found to have six
P. ramorum-positive rhododendrons in July. This nursery was also found positive for the pathogen in 2004, 2005, and 2006. CNP is underway. To date in 2010, the Washington State Department of Agriculture has processed more than 13,000 samples and detected P. ramorum at eight nurseries. For more information, contact Brad White at bwhite@agr.wa.gov.

A Washington County, Oregon retail nursery was found with two
P. ramorum-positive Rhododendron plants in mid-July. The nursery requested a survey after identifying a potential out-of-state customer. Prior to the confirmation, the nursery had not shipped interstate. This is the first time P. ramorum has been detected in this nursery. The USDA Retail CNP has been enacted.

As of 7/21, the Oregon Department of Agriculture has completed testing for the 2010 P. ramorum Federal Order Survey on 15,670 samples collected from 392 nursery grower locations. So far, P. ramorum has been detected in seven Oregon nurseries, with three nurseries having completed the CNP. For more information, contact Nancy Osterbauer at nosterba@oda.state.or.us.

From the August COMTF newsletter