Subject
- Agricultural pests -- Control -- Congresses36
- Armyworms -- Control -- Northwest, Pacific2
- Armyworms -- Northwest, Pacific2
- Grain -- Diseases and pests -- Control -- Northwest, Pacific2
- Grain -- Diseases and pests -- Northwest, Pacific2
- Grass seed industry -- Oregon2
- Grasses -- Seeds -- Research -- Oregon2
- Seed industry and trade -- Oregon2
- Seed technology -- Oregon2
- Seeds -- Research -- Oregon2
- Stinkbugs -- Oregon2
- Stinkbugs -- Oregon -- Identification2
- Arthropoda -- Oregon -- Identification1
- Corn -- Diseases and pests -- Northwest, Pacific1
- Garden pests -- Control -- Oregon1
- Insects -- Oregon -- Identification1
- Insects as carriers of plant disease -- United States1
- Paratrioza cockerelli -- United States1
- Potato tuberworm -- Control -- Northwest, Pacific1
- Potatoes -- Diseases and pests -- Control -- Northwest, Pacific1