Cercospora Leaf Spot, Hydrangea

DISEASE WALK

1. Cercospora leaf spot, hydrangea

2. Cercospora leaf spot, rose

3. Anthracnose, mondo

4. Rust, daylily

5. Powdery mildew, elm

6. Odema, mahonia

7. Helminthespora leaf spot, princess grass

8. Anthracnose, liriope

9. Virus, nandina

10. Chestnut blight

11. Rust, vine

12. Cercospora leaf spot, ligustrum

13. Cercospora leaf spot, crape myrtle

14. Downy mildew, greenhouse

15. Leaf spot?, grapevine

16. Rust on fence, cherry

17. Cercospora leaf spot, sweetgum

18. Leaf spot?, tupelo

19. Oak leaf blister, water oak (across from intersection)

20. Tar spot, maple (halfway down from intersection)

21. Entomosporium leaf spot, Indian hawthorn (welding)

22. Black leaf spot, holly

23. Entomosporium leaf spot, red tip

24. Algal leaf spot, magnolia 25. Septoria leaf spot, dogwood

26. Sooty mold, gardenia

27. Algal leaf spot, camellia

28. Crown rot, liriope

29. Black spot, rose DISEASE COLLECTION

Disease: Index card Host: Pathogen: (fungus, bacteria, or virus) Date:

(Mount your specimen with tape)

Total of 20 diseases (the same disease can be used if on different host) Extra credit: every disease over 20 is +2 points