Subject
- Christmas trees -- Diseases and pests -- Oregon -- Willamette River Valley1
- Corn -- Diseases and pests1
- Geographic information systems1
- Grain -- Diseases and pests -- Oregon1
- Grasses -- Diseases and pests -- Oregon1
- Heliothis zea1
- Hops -- Diseases and pests -- Biological control -- Northwest, Pacific1
- Hops -- Diseases and pests -- Integrated control -- Northwest, Pacific1
- Leafhoppers -- Behavior -- Oregon1
- Leafhoppers -- Geographical distribution1
- Ochsenheimeria vacculella -- Oregon1
- Phytoseiidae1
- Semiochemicals -- Northwest, Pacific1
- Spider mites1
- Strawberries -- Diseases and pests1
- Tortricidae1
- Two-spotted spider mite -- Biological control -- Northwest, Pacific1
- Two-spotted spider mite -- Integrated control -- Northwest, Pacific1
- Two-spotted spider mite -- Predators of -- Northwest, Pacific1
- Vineyards -- Oregon1