Subject
- Amphorophora -- British Columbia1
- Amphorophora -- Washington (State)1
- Aphididae -- Biological control -- Oregon -- Willamette River Valley1
- Aphididae -- Predators of -- Oregon -- Willamette River Valley1
- Aphids as carriers of disease -- British Columbia1
- Aphids as carriers of disease -- Washington (State)1
- Black vine weevil -- Control -- Northwest, Pacific1
- Broccoli -- Diseases and pests -- Biological control -- Oregon -- Willamette River Valley1
- Choristoneura -- Control -- Oregon1
- Corn -- Disease and pest resistance1
- Cranberries -- Diseases and pests -- Control -- Northwest, Pacific1
- Kidney bean -- Diseases and pests1
- Meloidogyne -- Control -- Columbia River Watershed1
- Meloidogyne -- Control -- Oregon -- Klamath Basin1
- Meloidogyne -- Control -- San Luis Valley (Colo. and N.M.)1
- Peppermint -- Diseases and pests1
- Potatoes -- Diseases and pests -- Control -- Columbia River Watershed1
- Potatoes -- Diseases and pests -- Control -- Oregon -- Klamath Basin1
- Potatoes -- Diseases and pests -- Control -- San Luis Valley (Colo. and N.M.)1
- Predation (Biology) -- Oregon -- Willamette River Valley1