Across
- 4. first to use sulfur compounds to control insects
- 5. pest who have overcome and become resistant or pesticides
- 9. bred to avoid pest or disease
- 10. when pesticides get concentrated and are passed up the food chain
- 12. type of control used as a last resort
- 14. similar to IPM with emphasis on plants
- 15. pesticides that are less harmful to living things
Down
- 1. pesticides that do not break down quickly in the environment
- 2. author of Silent Spring
- 3. pesticides kill not only pests but organisms that are ________________.
- 6. traps and barriers
- 7. pesticide of World War 2
- 8. chemical level of harm
- 11. growing the same plant over a large area
- 13. something we will never accomplish with pests