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
Alder (
Alnus
spp.)-Brown Leaf Blotch
Alder (
Alnus
spp.)-Canker and Stem Diseases
Alder (
Alnus
spp.)-Catkin Hypertrophy and Leaf Curl
Alder (
Alnus
spp.)-Collar Rot (Phytophthora Canker)
Alder (
Alnus
spp.)-Leaf Spot
Alder (
Alnus
spp.)-Nectria Canker
Alder (
Alnus
spp.)-Phytophthora Root Rot
Alder (
Alnus
spp.)-Powdery Mildew
Alder (
Alnus
spp.)-Rust
Alfalfa (
Medicago sativa
)-Alfalfa Mosaic
Alfalfa (
Medicago sativa
)-Anthracnose
Alfalfa (
Medicago sativa
)-Bacterial Wilt
Alfalfa (
Medicago sativa
)-Crown and Root Rot Complex
Alfalfa (
Medicago sativa
)-Crown Wart
Alfalfa (
Medicago sativa
)-Damping-off
Alfalfa (
Medicago sativa
)-Dodder
Alfalfa (
Medicago sativa
)-Downy Mildew
Alfalfa (
Medicago sativa
)-Leaf Spots and Blotches
Alfalfa (
Medicago sativa
)-Nematode, Stem
Alfalfa (
Medicago sativa
)-Nematode, Root Lesion
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