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Table 2 Mortality percentage of the 2nd and 4th instars of Spodoptera exigua larvae treated with nucleopolyhedrovirus alone and in combination with chlorantraniliprole

From: Evaluation of indigenous the nucleopolyhedrovirus (NPV) of Spodoptera litura (Fabricius) (Lepidoptera: Noctuidae) in combination with chlorantraniliprole against Spodoptera species

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    
  1. CFT co-toxicity factor