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Hortsense
Hortsense Home
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Hortsense fact sheets
| Ornamentals
| Conifers
| Spruce
Spruce
Disease
Oil discoloration of foliage
Rhizosphaera needle cast
Rust
Insect
Coneworms
Cooley spruce gall adelgid
Douglas fir tussock moth
Pine needle scale
Spruce aphid
Spruce bud scale
Spruce budworm
Spruce needleminer
Spruce spider mite
White pine weevil
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.