| Stages of development | |||||||
Treatments | 2˚ instar | 3˚ instar | 4˚ instar | 5˚ instar | Total | |||
Bt | 4.25 ± 0.30a | 4.00 ± 0.24a | 4.00 ± 0.16a | 5.33 ± 0.13a | 17.17 ± 0.43a | |||
Conventional | 2.89 ± 0.30 b | 4.18 ± 0.24a | 4.03 ± 0.16a | 5.03 ± 0.13a | 16.15 ± 0.43a | |||
CV(%) | 58.54 | 41.84 | 28.20 | 18.36 | 18.32 | |||
| Nymphal viability (%) | |||||||
Tratamentos | 2˚ instar | 3˚ instar | 4˚ instar | 5˚ instar | ||||
Bt | 80 ± 7.43a | 100a | 100a | 100a | ||||
Conventional | 90 ± 5.57a | 100a | 100a | 100a | ||||