Tree diseases

4. caused by a fungus that infects both leaves and fruit
8. caused by fungi, which invade bark tissue on current season wood
9. a postharvest fruit rot disease of apple
10. physical harm caused to something in such a way as to impair its value, usefulness, or normal function
11. composed of cells that are similar and perform a specific function
13. existing in or caused by nature
14. disease that can kill blossoms and shoots and cause dieback of branches from cankers

1. a chemical leavener
2. a mild antiseptic used on the skin to prevent infection of minor cuts, scrapes, and burns
3. pesticides that kill or prevent the growth of fungi and their spores
5. small single-celled organisms
6. microorganisms such as yeasts, molds and mushrooms
7. the state of being free from illness or injury
8. causes rough, woody, tumor-like galls to form on roots, trunks and occasionally branches
12. a fungal disease that grows on plants and other surfaces covered by honeydew, a sticky substance created by certain insects