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New Findings Reported at the Sudden Oak Death Science
Symposium, December 2002
California Oak Mortality Task Force
SACRAMENTO, CA, January, 2003 - It was reported
at the Sudden Oak Death Science Symposium, December 17-18, 2003 in Monterey,
that seven new plants in the United States and one in the United Kingdom
(UK) have been found to be associated with Phytophthora ramorum. Regulatory
agencies are still determining which newly identified plants and/or plant
parts will be regulated. Some of the information announced at the Symposium
was preliminary and tests must be repeated prior to publishing, but symptoms
caused by P. ramorum were verified on the following species:
| Plant |
Common Name |
State or
Country |
Confirmed by |
| Quercus chrysolepis
|
Canyon live oak |
CA |
Rizzo, UCD |
| Rhamnus purshiana |
Cascara |
OR |
Hansen, OSU |
| Rubus spectabilis |
Salmonberry |
OR |
Hansen, OSU |
| Toxicodendron diversilobum |
Poison oak |
OR |
Hansen, OSU |
| Trientalis latifolia
|
Western starflower |
CA |
Huberli and Garbelotto
- UCB |
| Pittosporum undulatum |
Victorian box |
CA |
Garbelotto and Huberli- UCB |
| Corylus cornuta |
California hazel |
CA |
Rizzo, UCD |
| Pieris (nursery stock) |
|
England |
Reported by Hunter, DEFRA |
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