examen
Phytophthora ramorum Domestic Regulatory ... - USDA APHIS
Phytophthora ramorum Inspection and Sampling Protocol for. Nurseries ... For States with regulations for quarantine pests, and/or specifically for P. ... ately forward them to an APHIS?PPQ laboratory (see Contact Information for the ... Release sampled plants or other articles from hold if they test negative.


Risk Analysis for Phytophthora ramorum Werres, de ... - USDA APHIS
the importation and domestic spread of Phytophthora ramorum ... The large number of hosts in multiple plant families, differential susceptibility, ... estimates that address all of the relevant ecological components; ... shipments of host materials exported to the United States, and must sample and test plants.


Phytophthora Diseases in Native Plant Production - Western ...
... Pathology, Ag and Life. Sciences 3017, Oregon State University, Corvallis, OR 97330; phone (541) 737-8170; email ... Resources for more information ... Rhododendron infected with Phytophthora ramorum ... Pour-through test: For each ...


Download PDF - eScholarship
Phytophthora ramorum, an invasive pathogen in California ... The recent emergence of a number of Phytophthora-caused ... was a canyon through which Graham creek runs at Jack London State Park (38?21 ... cm so that the leaf surfaces were in minimal contact with one another and ... To test for any effect.


Download PDF - eScholarship
Phytophthora ramorum, an invasive pathogen in California ... The recent emergence of a number of Phytophthora-caused ... was a canyon through which Graham creek runs at Jack London State Park (38?21 ... cm so that the leaf surfaces were in minimal contact with one another and ... To test for any effect.


Variation and Heritability of Host Susceptibility to the Introduced ...
confirmed plant(s). For more information, go to the Scottish Government website at ... Sudden oak death and Phytophthora ramorum in the USA: ... You may also contact Jonathan Jones at (301) 734-8247. ... protocol, additional samples were collected from the nursery to verify the PCR-positive test result.


Transmission of Phytophthora ramorum in Mixed ... - Semantic Scholar
Susceptibility was assessed using a branch-cutting inoculation test. Trees were selected from ... molecular marker, Phytophthora ramorum, population structure, Quercus agrifolia. ... Table 1 Details of population locations of Quercus agrifolia in. California ... with Parafilm (American National Can, Chicago, MI, USA), with the ...