Chong, C.F. (1987) Characteristics of Prang Besar cocoa clones. SASS Seminar: Palm Kernel Utilization and Recent Advances in Cocoa Cultivation, Sabah, Malaysia, 1987.
| Clone name | Pathogen | Reaction |
|---|---|---|
| PBC 123 | Vascular Streak Dieback | tolerant |
| PBC 159 | Vascular Streak Dieback | tolerant |
| PBC 178 | Vascular Streak Dieback | tolerant |
| PBC 207 | Vascular Streak Dieback | tolerant |
| PBC 208 | Vascular Streak Dieback | tolerant |
| PBC 210 | Vascular Streak Dieback | tolerant |
| PBC 223 | Vascular Streak Dieback | tolerant |
| PBC 246 | Vascular Streak Dieback | tolerant |