Pacific Northwest Plant Disease Management Handbook
Printed page URL:
https://pnwhandbooks.org/node/257
Plant Disease
Pathogen Articles
Nonpathogenic Phenomena
Nonpathogenic Phenomena
Reviewed: March 2023
Jay W. Pscheidt, 2007.
In this section
Mycorrhiza
Thatch in Home Lawns
Algae, Lichens, and Mosses on Plants
Living in the Land of Mosses
Care and Maintenance of Wood Shingle and Shake Roofs
Winter Injury of Landscape Plants in the Pacific Northwest
Recognizing Sapsucker Damage on your Trees
Latest revision:
March 2023
Plant Nutrition Diagnosis
Key to Nutrient Deficiencies in Vegetable Crops
Key to Nutrient Deficiencies of Deciduous Fruit and Nuts
Fluorine Toxicity in Plants
Latest revision:
March 2024
Air Pollution (Ozone)