Subject
- Apple -- Diseases and pests -- Control -- Oregon2
- Locust trees -- Diseases and pests2
- Locust-borer2
- Locust-borer -- Control2
- Pear -- Diseases and pests -- Control -- Oregon2
- Apple -- Diseases and pests -- Control1
- Apple -- Diseases and pests -- Oregon1
- Apples -- Diseases and pests -- Control -- Oregon1
- Canker (Plant disease)1
- Codling moth -- Control -- Oregon1
- Cutworms -- Control -- Oregon1
- Eriophyes -- Control -- Oregon1
- Eriophyes -- Oregon1
- Fruit -- Diseases and pests -- Control1
- Fruit -- Diseases and pests -- Oregon -- Control -- Equipment and supplies1
- Fruit trees -- Diseases and pests -- Control -- Oregon1
- Legumes -- Diseases and pests -- Control -- Oregon1
- Oats -- Diseases and pests -- Control1
- Orchards -- Oregon1
- Peach -- Diseases and pests -- Control1