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Egyptian Journal of Biological Pest Control

Table 1 Median lethal concentration (LC50) of 1st instar S. littoralis larvae infected either with Spli-6, Spli-7, or mixed viruses 7 days post-infection

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

LC50 (OBs ml−1 ) (CI)

Slope (SE)

X2

Spli-6

718

3.0 × 104 (2.4 × 104–3.7 × 104)

2.18 (0.22)

9.4

Spli-7

526

9.5 × 104 (7.5 × 104–1.2 × 105)

1.68 (0.20)

7.8

Mixed

707

3.9 × 104 (7.1 × 103–3.1 × 105)

1.58 (0.45)

9.4

  1. The LC50 of probit analysis, as well as the slopes of the probit lines, are given
  2. CI 95% confidence interval, SE standard error
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