Across
- 5. Any agent which destroys or prevents the growth of fungi
- 7. fungus which produce a growth on the surface of damp and decaying organic matter
- 11. practice of growing different crops on the same land over a period of several growing seasons
- 12. single-celled organisms including viruses, fungi and bacteria
- 13. small openings on the surface of leaves which allow for gases and water to pass in and out of leaves
- 14. plant pathogens which cause harm to plants
- 15. single celled or non-cellular microorganisms which lack chlorophyll and reproduce by fission
- 17. cause discoloration, wilting and death in plants
- 18. non-living organisms such as weather conditions, air pollution and toxic chemicals
- 19. taxonomic kingdom which includes yeast, molds and smuts
Down
- 1. process of plants drooping or shriveling due to lack of water
- 2. Diseases Diseases in plants caused by bacteria
- 3. smaller stem which attaches a leaf to the main stem
- 4. material used to cover plants
- 6. groups of macromolecules which carry genetic information to control all cell functions; in the form of DNA and various forms of RNA
- 8. organisms such as fungi, bacteria and virus
- 9. small, infectious particles composed of a protein coat and a nucleic acid
- 10. single celled reproductive structure of non-flowering plants, fungi and bacteria which develop into a new individual without fusion
- 16. disease producing agents which cause harm to other organisms