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Table 1 Mean mortality (%±SE) of second and fourth larval instars of Spodoptera litura from three different field populations treated with nucleopolyhedrosis virus and emamectin benzoate (NPV-1 2 × 109 POBs ml−1, NPV-2 3 × 109 POBs ml−1, NPV-3 3 × 109 POBs ml−1, EM 0.1 ppm)

From: Evaluation of Nuclear Polyhedrosis Virus (NPV) and Emamectin Benzoate against Spodoptera litura (F.) (Lepidoptera: Noctuidae)

Treatments Second instar Fourth instar
FSD LY ML FSD LY ML
NPV-1 22.27 ± 1.13e 15.76 ± 0.87e 13.38 ± 0.92ef 17.46 ± 1.09f 12.80 ± 0.86f 8.99 ± 0.55f
NPV-2 35.66 ± 1.55d 27.35 ± 1.11d 20.31 ± 1.14e 28.21 ± 1.61ef 23.38 ± 1.24ef 16.45 ± 1.03e
NPV-3 44.92 ± 1.73cd 38.25 ± 1.38c 31.79 ± 1.50de 39.79 ± 1.59de 32.43 ± 1.43de 25.50 ± 1.20d
EM 49.52 ± 1.67c 42.64 ± 1.57c 37.09 ± 1.39d 44.42 ± 1.70d 38.62 ± 1.54d 30.74 ± 1.37d
NPV-1 + EM 68.83 ± 2.12b 63.43 ± 1.83bc 56.13 ± 2.10c 62.27 ± 2.67c 57.51 ± 2.29c 50.31 ± 2.06c
NPV-2 + EM 89.84 ± 2.70ab 81.42 ± 2.61b 73.28 ± 2.74b 80.72 ± 3.80b 73.49 ± 2.84b 66.82 ± 2.24b
NPV-3 + EM 100.00 ± 0.00a 96.13 ± 2.62a 87.93 ± 2.82a 96.19 ± 3.20a 88.41 ± 3.20a 83.28 ± 2.95a
  1. Mean sharing the same letters within each column are not significantly different at 1.0% level