Bacterial Diseases

2. Diseases diseases in plants caused by bacteria
4. where the stem of the plant meets the roots
7. Agents organisms such as fungi, bacteria and viruses
8. cause discoloration, wilting and death in plants
10. by fission
12. corn for two years, then switching to soybeans on the same land
14. any agent which destroys or prevents the growth of fungi
15. small, infectious particles composed of a protein coat and a nucleic acid
16. Tissue tissue which conducts water and nutrients through the plant
19. small openings on the surface of leaves which allow for gases and water to pass

1. seasons; aids in insect control and preservation of soil quality; example:
3. Agents agents which are not alive, such as weather conditions, air pollution and toxic
5. plant pathogens which cause harm to plants
6. single-celled organisms including viruses, fungi and bacteria
9. type of root which grows straight down into the soil to reach water
11. Rotation practice of growing different crops on the same land over a period of several
12. process of a seed sprouting and beginning to grow
13. and out
17. single-celled or non-cellular microorganisms which lack chlorophyll and
18. disease-producing agents which cause harm to other organisms