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Hortsense fact sheets
| Ornamentals
| Conifers
| True Fir
True Fir
Disease
Annosus root rot
Armillaria root rot
Current-season needle necrosis
Flowers
Grovesiella canker
Interior needle blight
Needle casts
Phytophthora root rot
Rust (Pucciniastrum)
Rust (Uredinopsis)
Insect
Balsam twig aphid
Balsam woolly adelgid
Coneworms
Giant conifer aphids
Spruce budworm
Spruce spider mite
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.