Posnette, A.F. (1945) Incompatibility in Amazon cacao. Tropical Agriculture (Trinidad) 22: pp. 184-187.
| Clone name | Self compatibility |
|---|---|
| E 1 [ECU] | self incompatible |
| E 2 [ECU] | self incompatible |
| E 222 [ECU] | self incompatible |
| E 223 [ECU] | self incompatible |
| E 224 [ECU] | self incompatible |
| E 5 [ECU] | self incompatible |
| IMC 46 | self incompatible |
| IMC 47 | self incompatible |
| IMC 60 | self incompatible |
| IMC 76 | self incompatible |
| NA 31 | self incompatible |
| NA 32 | self incompatible |
| NA 33 | self incompatible |
| NA 34 | self incompatible |
| PA 35 [PER] | self incompatible |
| PA 4 [PER] | self incompatible |
| PA 5 [PER] | self incompatible |
| PA 7 [PER] | self incompatible |