Pacific Northwest Plant Disease Management Handbook
Printed page URL:
https://pnwhandbooks.org/node/374
Plant Disease
Resources
Glossary
Glossary
Latest revision:
March 2024
Anthracnose symptoms on Sycamore. Note the necrotic areas that follow the leaf veins.
Jay W. Pscheidt, 1994.
Phytoplasma
Phytotoxic
Plasmodium
Polymorphism
Primary Infection
Primary Inoculum
Propagule
Protectant
Pustule
Pycnidium
(pl. Pycnidia)
Quarantine
Race
Resistance
Rhizoid
Rhizomorph
Rickettsia
Ringspot
Rogue
(alt. Roguing)
Rot
Rugose
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