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
Pansy (
Viola
spp.)-Downy Mildew
Pansy (
Viola
spp.)-Gray Mold
Pansy (
Viola
spp.)-Leaf Spots
Pansy (
Viola
spp.)-Powdery Mildew
Pansy (
Viola
spp.)-Root and Crown Rot
Pansy (
Viola
spp.)-Shoot Proliferation and Leafy Gall
Pansy (
Viola
spp.)-Thielaviopsis Root Rot (Black Root Rot)
Parsnip (
Pastinaca sativa
)-Itersonilia Canker
Pea (
Pisum sativum
)-Aphanomyces Root Rot
Pea (
Pisum sativum
)-Ascochyta Blight (Basal Stem Rot or Black Stem)
Pea (
Pisum sativum
)-Bacterial Blight
Pea (
Pisum sativum
)-Basal Stem Rot
Pea (
Pisum sativum
)-Damping-off
Pea (
Pisum sativum
)-Downy Mildew
Pea (
Pisum sativum
)-Nematode, Cyst
Pea (
Pisum sativum
)-Pea Enation Mosaic
Pea (
Pisum sativum
)-Pea Leaf Roll
Pea (
Pisum sativum
)-Pea Seedborne Mosaic
Pea (
Pisum sativum
)-Pea Streak
Pea (
Pisum sativum
)-Powdery Mildew
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