Subject
- Hops -- Diseases and pests -- Biological control -- Northwest, Pacific1
- Hops -- Diseases and pests -- Integrated control -- Northwest, Pacific1
- Semiochemicals -- Northwest, Pacific1
- Two-spotted spider mite -- Biological control -- Northwest, Pacific1
- Two-spotted spider mite -- Integrated control -- Northwest, Pacific1
- Two-spotted spider mite -- Predators of -- Northwest, Pacific1