Table 2 Mortality percentage of the 2nd and 4th instars of Spodoptera exigua larvae treated with nucleopolyhedrovirus alone and in combination with chlorantraniliprole
Treatments (POB ml−1) | 2nd instar larvae (n = 20) | 4th instar larvae (n = 20) | ||||||
|---|---|---|---|---|---|---|---|---|
Mortality% | Expected mortality | CTF | Interaction | Mortality % | Expected mortality | CTF | Interaction | |
NPV-1 (1 × 104) | 30.48 | 15.89 | ||||||
NPV-2 (6 × 104) | 42.70 | 25.51 | ||||||
NPV-3 (3 × 105) | 54.92 | 38.68 | ||||||
Chl | 33.66 | 20.56 | ||||||
NPV-1+Chl | 65.90 | 60.25 | 1.78 | Additive | 37.59 | 31.12 | 10.14 | Additive |
NPV-2+Chl | 71.53 | 68.24 | 3.74 | Additive | 46.67 | 38.31 | 17.21 | Additive |
Npv-3+Chl | 84.02 | 70.13 | 26.22 | Synergistic | 57.30 | 45.12 | 21.57 | Synergistic |
Control | 3.17 | 3.18 | ||||||
F | 271 | 117 | ||||||
DF | 7,71 | 7,62 | ||||||
P | < 0.01 | < 0.01 | ||||||