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Ornamental Plant Pathology
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Sentinel Tree Planting Project
Sooty Bark Disease
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Sudden Oak Death
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Informing Management
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Resprout Biological Control
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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
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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
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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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Phytophthora
and Sudden Oak Death
Phytophthora
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Symptom ID Guide
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Rhododendron
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Viburnum
Forest Health Watch – Biosurveillance Training
Emerging Plant Health Issues
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Western Redcedar Dieback
Sword Fern Die-off
Bigleaf Maple Dieback
Sooty Bark Disease
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Volunteer Stream Monitoring Program
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WSU Puyallup
Ornamental Plant Pathology
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WSU Puyallup Research and Extension Center (PSP)
WSU Puyallup Research and Extension Center
Photos: Anthony Man Son Hing
