Subject
- Agricultural pests -- Control -- Congresses[remove]89
- Apple pandemis -- Control6
- Codling moth -- Control6
- Apples -- Diseases and pests5
- Insecticides -- Research4
- Obliquebanded leafroller -- Control4
- Apple pandemis1
- Insecticide resistance -- Research1
- Meteorological stations1
- Obliquebanded leafroller1
- Pear psylla -- Control1
- Pears -- Diseases and pests1
- Plum curculio1
- Sweet cherry -- Diseases and pests1
- Trichogrammatidae1