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- Eastern filbert blight -- Control -- Oregon -- Willamette River Valley1
- Eastern filbert blight -- Integrated control -- Oregon -- Willamette River Valley1
- Hazelnuts -- Diseases and pests -- Control -- Oregon -- Willamette River Valley1
- Hazelnuts -- Diseases and pests -- Integrated control -- Oregon -- Willamette River Valley1
- Pesticides -- Application -- Oregon -- Willamette River Valley1
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