Table III. Pollen ablation data from microscopic observation of more than 4,500 flowers collected from pABCTE01 EH1 and untransformed EH1 trees in two field tests.
The stacking construct pABCTE01contains PrMC2pro-II-barnaseH102E for pollen ablation and AtRd29A-AtCBF2 for improving freeze tolerance.
| Field Location (County/State) | Flower Collection Period | Tree Age at Flower Collection | Transgenic Line Identifier | No. of Trees Sampled | Pollen Production (Yes/No) |
|---|---|---|---|---|---|
| Baldwin/Alabama | September 2007 | Approximately 2 Years | Control | 8 | Yes |
| TUH000427 | 8 | No | |||
| TUH000434 | 8 | No | |||
| TUH000435 | 8 | No | |||
| TUH000447 | 8 | No | |||
| TUH000456 | 8 | No | |||
| TUH000470 | 8 | No | |||
| TUH000489 | 8 | No | |||
| TUH000490 | 8 | No | |||
| TUH000493 | 8 | No | |||
| TUH000494 | 8 | No | |||
| TUH000495 | 8 | No | |||
| TUH000517 | 8 | No | |||
| Highlands/Florida | September 2010 | Approximately 4 Years | Control | 3 | Yes |
| TUH000427 | 4 | No | |||
| TUH000435 | 2 | No |