Treatments | Concentrations | Mean no. of mortality | % Corrected mortality |
---|
Cry1Ac + Cry 2Ab | 4 μg/ml | 0.5a | 2.50 |
8Â ÎĽg/ml | 1.0a | 5.00 |
Cypermethrin | 2Â mg/ml | 2.2b | 10.83 |
- A number of twenty sprayed eggs of S. cerealella pest were kept in each replicate. Three replicates were used/ each concentration. The mixture of Bt Cry1Ac and Cry 2Ab was compared to cypermethrin (positive control) and dH2O (negative control)
- a, bInsignificant difference between similar letter using Fischer Exact Probability test at P < 0.05