Across
- 4. a swollen ovary
- 6. Black or brown spots on leaves and stems
- 8. This hormone is a gas
- 11. Number of hours of light per day
- 13. If this plant cold-tolerant, it is ...
- 17. A cold period that stimulates flowering
- 18. Hormone that affects direction of plant growth
- 19. Order containing grasshoppers and crickets
- 20. common plant pathgens
Down
- 1. microscopic organism that causes disease
- 2. The biggest order of insects
- 3. The smallest plant pathogen
- 4. Smaller than a class but bigger than a genus
- 5. Larva of a Lepidoptera
- 7. when two organisms help each other
- 9. a product of anaerobic respiration
- 10. Why weeds decrease yields in crops
- 12. these species have separate female and male plants
- 14. Larva of Diptera
- 15. macronutrient found in middle lamella
- 16. How a plant's stems always seem to grow up
