SUMMARY OF NEMATODE PATHOGENICITY STUDIES ON TURF GRASSES
CONDUCTED AT THE EVERGLADES EXPERIMENT STATION IN 1962-63.


 Sting Lance Root Knot Cyst
Nemas Vigor Nemas Vigor Nemas Vigor Nemas Vigor
2 V


1. Ormond bermuda-
 grass
 2. Ormond bermuda-
 grass check
 3. Tifway bermuda-
 grass
 4. Tifway bermuda-
 grass check
 5. Tifgreen
 bermudagrass
 6. Tifgreen bermu-
 dagrass check
 7. Uganda
 8. Uganda check
 9. Tiflawn
 bermudagrass
10. Tiflawn bermu-
 dagrass check
11. Meyer Zoysia
12. Meyer Zoysia
 Check
13. Emerald Zoysia
14. Emerald Zoysia
 Check
15. Bitter Blue St.
 Augustinegrass
16. Bitter Blue St.
 Augustinegrass
 check
17. Floratine St.
 Augustinegrass
18. Floratine St.
 Augustinegrass
 Check
19. Centipedegrass,
 Common
20. Centipedegrass,
 Common, Check


2 99 4 10 3 0 5


5 0 5


3 142


5 0 5


3 110


5 o


o 5

7 4


0 5

0 5


0 5 o 5


4 13 4 0 5

5 0 5 0 5


113
 0
148


5 o 5


137
 0

 55
 0


2 29


5 0


2 0


50 2


0 5 0 5


 0
- 0


5 23 3 38 1

5 0 5 0 5

0 19 2 44 2


0 5 0 5


- 25 3 0 5


0 5 0 5


i/ The number of nematode in 100
 months after inoculating with
 root knot nematode egg masses
 of 4 replications.
/ Vigor rated from 1-5 for dead
 SRoot knot adults on 5 grams o:
EE c64-18
600 copies


ml. of soil from each pot approximately 8
800 sting nematode, 750 lance nematode, 10
or 50 cysts respectively. All are averages


to very vigorous, respectively.
f grass roots.


TABLE 18.