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Table 2 Median survival times (ST50) of the third-instar H. cunea larvae inoculated with the HycuNPV isolates

From: Genomic analysis of two Chinese isolates of hyphantria cunea nucleopolyhedrovirus reveals a novel species of alphabaculovirus that infects hyphantria cunea drury (lepidoptera: arctiidae)

Test Isolates n ST50 (95% CI) (d.p.i) a χ2 p
1 HycuNPV-HB 48 8.5 (8.085, 8.915)   
HycuNPV-BJ 44 9.0 (7.555, 10.445) 10.765 0.001
2 HycuNPV-HB 42 7.5 (6.452, 8.548)   
HycuNPV-BJ 47 9.0 (8.670, 9.330) 18.011 < 0.001
  1. aST50 values of insects were determined by the Kaplan–Meier estimator and were reported with 95% CIs. d.p.i.: days post inoculation