Nursery Information

This page is devoted to P. ramorum-related issues critical to nurseries, independent growers, and related plant-care/plant propagation industries. The pages include a comprehensive chronology of the problem of P. ramorum in nurseries, summaries and home pages for the agencies involved in the management of the problem, periodic updates and pest alerts, and diagnostic guides.
COMTF Featured Researcher | View Archive
Screening Trichoderma asperellum as a Mycoparasite on Phytophthora ramorum
T.L. Widmer
Research Plant Pathologist with the Foreign Disease and Weed Science Research Unit, USDA Agricultural Research Service
Resources available through the California Oak Mortality Task Force and its partners
Nursery Chronology (last updated February 2012): A summary of the status of P. ramorum in US Nurseries.
Nursery Diagnostic Guides: California, Oregon, Washington guides.
Nursery Best Management Practices: These Best Management Practices (BMP’s) are designed to control or eliminate the diseases caused by P. ramorum.
Trainings and Professional Educational for Nurseries: Links to online training modules, handouts and presentations, and relevant publications and references are available on this page.
Nursery Photos: Eradication of P. ramorum at a nursery in British Columbia, and photo cards of symptoms on common nursery plants.
P. ramorum Nursery Research Needs Lists: Prioritized lists of research needs, from March 2008 and June 2010.
Additional resources and links
Cooperative Agricultural Pest Survey (CAPS) program: Pest Tracker – National Agricultural Pest Information System.
Economic forecasts for the nursery industry provided by Charlie Hall, Texas A & M: The mission is to advance the health and vitality of the floriculture industry on a national and international scope.
National Plant Diagnostic Network (NPDN)
North American Plant Protection Organization (NAPPO): Provides a forum for public and private sectors in Canada, the United States and Mexico to collaborate in the development of science-based standards intended to protect agricultural, forest and other plant resources against regulated plant pests, while facilitating trade. Participate in related international cooperative efforts.
NORS-DUC: The National Ornamentals Research Site at Dominican University of California (NORS-DUC) is a secure site modeled to reflect a nursery for the purpose of performing studies on nursery stock in a “real world” environment.






