Subject
- Eastern filbert blight -- Control -- Oregon2
- Walnut -- Diseases and pests -- Northwestern States2
- Hazel -- Diseases and pests -- Northwestern States1
- Hazelnuts -- Diseases and pests -- Control1
- Hazelnuts -- Diseases and pests -- Control -- Northwest, Pacific1
- Hazelnuts -- Diseases and pests -- Control -- Oregon1
- Hazelnuts -- Diseases and pests -- Northwest, Pacific1
- Hazelnuts -- Diseases and pests -- Northwestern States1
- Hazelnuts -- Losses -- Northwest, Pacific1
- Pseudomonas -- Control1
- Walnut1
- Walnut -- Diseases and pests -- Control1
- Walnut -- Diseases and pests -- Oregon1
- Walnut -- Grafting -- Oregon1
- Walnut -- Wounds and injuries -- Northwestern States1
- Walnut-blight -- Control1
- Walnut-blight -- Control -- Northwest, Pacific1
- Walnut-blight -- Control -- Oregon1
- Xanthomonas -- Control1