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Table 4 Mean egg eclosion (%±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 4 × 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 63.39 ± 2.41ab 70.61 ± 2.47b 76.46 ± 2.89b 74.45 ± 1.35a 83.14 ± 2.23ab 89.48 ± 2.40ab
NPV-2 51.91 ± 2.17bc 62.58 ± 2.09c 68.79 ± 2.73bc 60.44 ± 2.27c 72.39 ± 2.15b 77.07 ± 1.99bc
NPV-3 39.68 ± 1.34c 47.10 ± 1.58d 51.02 ± 1.93c 45.08 ± 1.58d 54.91 ± 1.42c 63.20 ± 2.29c
EM 27.28 ± 1.21cd 38.50 ± 1.31e 42.25 ± 1.25cd 32.59 ± 1.25e 43.95 ± 1.30cd 52.58 ± 1.60cd
NPV-1 + EM 18.49 ± 1.03d 27.47 ± 1.12f 35.96 ± 1.39d 25.15 ± 1.09ef 36.41 ± 1.23d 41.25 ± 1.42d
NPV-2 + EM 11.45 ± 0.22e 18.40 ± 1.01g 21.18 ± 1.14e 18.22 ± 0.48f 24.05 ± 1.11e 33.28 ± 1.19de
NPV-3 + EM 0.00 ± 0.00f 0.00 ± 0.00h 2.93 ± 0.09f 4.85 ± 0.08g 10.42 ± 0.47f 16.19 ± 0.92f
Control 83.37 ± 2.63a 90.63 ± 3.61a 92.39 ± 2.82a 92.74 ± 3.39a 93.89 ± 2.92a 95.38 ± 3.23a
  1. Mean sharing the same letters within each column are not significantly different at 1.0% level