TABLE 2.
Survival of T. ni larvae from different strains on Cry1Ac-expressing transgenic broccoli plants
Strain or crossa | No. of larvae | No. of survivors | % Survival | % Adjusted survivalb |
---|---|---|---|---|
SS | 60 | 0 | 0 | 0 |
GLEN2004 | 40 | 7 | 17.5 | 18.4 |
GLEN2004-Sel | 60 | 42 | 70.0 | 82.4 |
BCS | 50 | 46 | 92.0 | 96.0 |
BCS × SS | 40 | 0 | 0 | 0 |
BCS × GLEN2004-Sel | 60 | 41 | 68.3 | 80.4 |
SS, susceptible laboratory strain; GLEN2004, greenhouse population collected in 2004; GLEN2004-Sel, F1 larvae from the GLEN2004 individuals that survived on broccoli plants containing B. thuringiensis; BCS, larvae of the GLEN-Cry1Ac-BCS strain; BCS × SS, F1 larvae from cross between GLEN-Cry1Ac-BCS and susceptible strains; BCS × GLEN2004-Sel, F1 larvae from cross between GLEN-Cry1Ac-BCS and GLEN2004-Sel.
Percent survival on broccoli containing B. thuringiensis/percent survival on broccoli not containing B. thuringiensis.