Table I. Survival rates of field-grown 35S-OsSIK2 transgenic plants under salt stress.
OsSIK2-f indicates transgenic rice lines overexpressing the full-length OsSIK2 gene. OsSIK2-t indicates transgenic lines overexpressing the truncated version of OsSIK2 without the extracellular region. OX indicates different transgenic lines. Numbers indicate surviving plants versus total plants tested. The percentages indicate survival rates after treatments.
| Treatment | TP309 |
OsSIK2-t |
OsSIK2-f |
||||
|---|---|---|---|---|---|---|---|
| OX-72 | OX-74 | OX-43 | OX-18 | OX-17 | OX-15 | ||
| 0.5% NaCl for 3 weeks | 19/25 (76%) | 32/32 (100%) | 30/30 (100%) | 13/16 (81%) | 11/13 (85%) | 12/16 (75%) | 24/27 (88%) |
| 0.5% NaCl for 4 weeks | 16/25 (64%) | 32/32 (100%) | 30/30 (100%) | 9/16 (56%) | 10/13 (77%) | 12/16 (75%) | 17/27 (63%) |
| Recovery for 1 week | 9/25 (36%) | 32/32 (100%) | 30/30 (100%) | 9/16 (56%) | 10/13 (77%) | 11/16 (69%) | 17/27 (63%) |
| Recovery for 3 weeks | 5/25 (20%) | 26/32 (81%) | 23/30 (76%) | 7/16 (44%) | 6/13 (46%) | 7/16 (44%) | 13/27 (48%) |
| Recovery for 10 weeks | 1/25 (4%) | 24/32 (75%) | 22/30 (73%) | 7/16 (44%) | 3/13 (23%) | 4/16 (25%) | 6/27 (22%) |