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
Oak (
Quercus
spp.)-White Pocket Rot (Piped Rot)
Potato (
Solanum tuberosum
)-Tomato Spotted Wilt
Quince (
Cydonia oblonga
)-Fire Blight
Spruce (
Picea
spp.)-Stem Decay
Tomato (
Solanum lycopersicum
)-Bacterial Spot
Grape (
Vitis
spp.)-Botryosphaeria Dieback
Hemlock (
Tsuga
spp.)-Shoot Blight
Hemp (
Cannabis sativa
)-Gray Mold (Botrytis Bud Blight and Stem Canker)
Hemp (
Cannabis sativa
)-Cercospora Leaf Spot (Olive Leaf Spot)
Hemp (
Cannabis sativa
)-Root and Crown Rot
Kale (
Brassica oleracea
var.
acephala
)-Powdery Mildew
Lilac (
Syringa
spp.)-Lilac Ring Mottle
Radish (
Raphanus sativus
)-Powdery Mildew
Rhododendron-Cutting Rots
Rose (
Rosa
spp.) and hybrids-Brown Canker
Rose (
Rosa
spp.) and hybrids-Leaf Spots, Miscellaneous
Rose (
Rosa
spp.) and hybrids-Phytophthora Root Rot
Apple (
Malus
spp.)-Moldy Core and Core Rots
Artichoke, Globe (
Cynara scolymus
)-Gray Mold (Botrytis Rot)
Barley (Hordeum vulgare)-Head Blight (Scab)
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