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
Yew (
Taxus
spp.)-Root Rot
Youngberry
Pericallis
x
hybrida
-Pythium Root Rot
Pericallis
x
hybrida
-Black Root Rot
Pericallis
x
hybrida
-Botrytis Blight
Pericallis
x
hybrida
-Damping-off
Pericallis
x
hybrida
-Impatiens Necrotic Spot
Pericallis
x
hybrida
-Powdery Mildew
Yucca-Leaf Spot
Zelkova-Phytophthora Stem Canker
Zinnia-Alternaria Blight
Zinnia-Bacterial Leaf Spot
Zinnia-Botrytis Blight
Zinnia-Fusarium Wilt
Zinnia-Powdery Mildew
Zinnia-Stem Rot
Zucchini
Zygopetalum
-Botrytis Blight
Walnut (
Juglans
spp.)-Anthracnose
Walnut (
Juglans
spp.)-Blackline
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