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Hortsense fact sheets
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Apple
Disease
Anthracnose and Bull's-eye rot
Bitter pit
Burrknot
Crown and collar rot
Crown gall
Cytospora canker
Fire blight
Fruit russeting
Nectria canker (European canker)
Nectria twig blight (Coral spot)
Perennial canker (Bull's-eye rot)
Phytophthora fruit rot
Powdery mildew
Scab
Virus diseases
Insect
Aphids
Apple ermine moth
Apple maggot
Apple-and-thorn skeletonizer
Brown marmorated stink bug
Codling moth
Cutworms and armyworms
Earwigs
Fruittree leafroller
Leafhoppers
Leafrollers
Lecanium scale
San Jose scale
Spider mites
Tent caterpillars
Tentiform leafminer
WSU Extension Presents
Hortsense
Fact sheets outline IPM strategies including cultural, mechanical, biological, and chemical methods.
Pesticides listed in the fact sheets are examples of products that are legal for use in Washington.