Pacific Northwest Plant Disease Management Handbook
Printed page URL:
https://pnwhandbooks.org/node/415
Plant Disease
Host and Disease Descriptions
Host and Disease Descriptions
Reviewed: March 2023
Alfalfa (
Medicago sativa
)-Nematode, Root-knot
Alfalfa (
Medicago sativa
)-Phytophthora Root Rot
Alfalfa (
Medicago sativa
)-Sclerotinia Crown and Stem Rot
Alfalfa (
Medicago sativa
)-Spring Black Stem and Leaf Spot (Black Stem)
Alfalfa (
Medicago sativa
)-Verticillium Wilt
Alfalfa (
Medicago sativa
)-Winter Injury
Alyssum-Black Root Rot
Alyssum-Botrytis Blight
Alyssum-Damping-off
Alyssum-Downy Mildew
Amaryllis (
Hippeastrum
)-Leaf Scorch (Red Leaf Spot)
Amaryllis (
Hippeastrum
)-Virus Diseases
Andromeda
Anemone (Japanese Anemone)-Nematode, Foliar
Aphelandra-Botrytis Blight
Apple (
Malus
spp.)-Anthracnose (Bull's-eye Rot)
Apple (
Malus
spp.)-Apple Mosaic
Apple (
Malus
spp.)-Apple Proliferation
Apple (
Malus
spp.)-Bitter Pit
Apple (
Malus
spp.)-Burrknot
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