Table 3.
Determination of virulence based on the pathogenicity of F. oxysporum f.sp. lycopersici isolates under glasshouse conditions.
| S. No. | Isolate code | Symptom expression at DAT | Virulence type | Wilt incidence % |
|---|---|---|---|---|
| 1. | FOL-1 | 80 | + | 51.00i (45.57) |
| 2. | FOL-2 | 80 | + | 54.00hi (47.29) |
| 3. | FOL-3 | 60 | ++ | 75.20de (60.17) |
| 4. | FOL-4 | 58 | ++ | 70.00ef (56.81) |
| 5. | FOL-5 | 65 | + | 55.00ghi (47.87) |
| 6. | FOL-6 | 65 | + | 51.15i (45.65) |
| 7. | FOL-7 | 46 | +++ | 95.00b (78.67) |
| 8. | FOL-8 | 45 | +++ | 100.00a (86.17) |
| 9. | FOL-9 | 55 | ++ | 48.00i (43.85) |
| 10. | FOL-10 | 54 | ++ | 52.00hi (46.14) |
| 11. | FOL-11 | 54 | ++ | 60.00gh (50.77) |
| 12. | FOL-12 | 55 | ++ | 63.00fg (52.54) |
| 13. | FOL-13 | 52 | ++ | 52.00hi (46.14) |
| 14. | FOL-14 | 50 | ++ | 54.00hi (47.29) |
| 15. | FOL-15 | 51 | ++ | 50.00i (49.99) |
| 16. | FOL-16 | 51 | ++ | 55.50ghi (48.16) |
| 17 | FOL-17 | 48 | +++ | 90.00c (71.87) |
| 18. | FOL-18 | 47 | +++ | 80.00d (63.50) |
| 19. | FOL-19 | 85 | + | 52.50hi (46.43) |
| 20. | FOL-20 | 85 | + | 48.00i (43.85) |
+, Less virulent; ++, Moderately virulent; +++, Highly virulent; DAT: days after transplanting. Means followed by a common letter are not significantly different at 1% level by DMRT *Values in parentheses are arscine transformed values.