Table I.
Insecticidal activity of R1 transgenic tobacco leaf tissue on boll weevil larvae
| Plant Sample | Mortality | No. of Survivors | Mean Larval Wt | Surviving Biomass |
|---|---|---|---|---|
| % | mg | |||
| Control 1 | 14 | 13 | 12.5 ± 2.9 | 175.0 |
| Control 2 | 1 | 15 | 13.7 ± 3.2 | 205.5 |
| Control 3 | 0 | 15 | 13.0 ± 3.0 | 208.0 |
| Control 4 | 0 | 16 | 7.3 ± 2.7 | 116.8 |
| Control 5 | 21 | 12 | 11.5 ± 3.0 | 138.0 |
| Control 6 | 0 | 18 | 11.3 ± 2.8 | 203.4 |
| pMON20929-1 | 74 | 4 | 0.4 ± 0.1 | 1.6 |
| pMON20929-2 | 87 | 2 | 0.3 ± 0.2 | 0.6 |
| pMON20929-3 | 67 | 4 | 0.8 ± 0.2 | 4.0 |
| pMON20931-1 | 54 | 7 | 0.3 ± 0.1 | 2.1 |
| pMON20931-2 | 61 | 6 | 0.4 ± 0.1 | 2.4 |
| pMON20931-3 | 67 | 5 | 0.7 ± 0.3 | 3.5 |
Neonate boll weevil larvae were allowed to feed on each tobacco leaf tissue sample that had been applied to the surface of artificial insect diet. After 6 d, the no. of surviving larvae and their wts were determined.