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Egyptian Journal of Biological Pest Control

Table 2 Kaplan-Meier estimation of ST50 of S. littoralis larvae infected with OBs derived from Spli-6, Spli-7, and mixed viruses

From: Evaluation of two viral isolates as a potential biocontrol agent against the Egyptian cotton leafworm, Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae)

Virus

No. of larvae

LC80 (OB/ml)

ST50

CI (lower-upper)

Spli-6

103

9.05 × 104

96

86–105

Spli-7

109

3.93 × 105

96

90–101

mixed

97

1.75 × 105

120

109–130

  1. ST50 and 95% confidence interval (CI) are given in hours post-infection (hpi)
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