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Ornamental Plant Pathology
Research Programs
Sentinel Tree Planting Project
Sooty Bark Disease
Bulbs and Cut Flowers
Christmas Trees
Lavender
Sudden Oak Death
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Informing Management
Steam Treatments
Resprout Biological Control
Host Identification
Conifer Susceptibility
PNW Broadleaf Hosts
Rhododendron Susceptibility
Informing Nursery Practices
Fungicide Evaluation
Disinfectant Efficacy
Nitrogen Fertility
Biology and Spread
Phenotypic Variation
Detection in Waterways
Population Genetics
Monitoring
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Volunteer Stream Monitoring Program
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2021 Project
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Movement of invasive plant diseases
Population genetics of
P. ramorum
in WA
Symptom ID Guide
Phytophthora
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Pacific Madrone Research
Overview
About Pacific Madrone
Arbutus
ARME
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Growing Pacific Madrone
Diseases and Pests
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National Elm Trial
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Pruning Elm Trees
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Phytophthora
and Sudden Oak Death
Phytophthora
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Information for Specific Audiences
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Symptom ID Guide
Overview
Rhododendron
Camellia
Viburnum
Forest Health Watch – Biosurveillance Training
Emerging Plant Health Issues
Overview
Western Redcedar Dieback
Sword Fern Die-off
Bigleaf Maple Dieback
Sooty Bark Disease
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Arbutus
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Volunteer Stream Monitoring Program
Overview
2021 Project
Forest Health Watch
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Heather Jeffreys Bio Pic
Heather Jeffreys Bio Pic
