Subject
- Agricultural pests -- Control -- Congresses76
- Codling moth -- Control6
- Apple pandemis -- Control4
- Apples -- Diseases and pests4
- Pear psylla -- Control2
- Pears -- Diseases and pests2
- San José scale -- Control2
- Codling moth1
- Insecticides -- Research1
- Obliquebanded leafroller1
- Peach twig-borer -- Control1
- Two-spotted spider mite -- Control1